{"title":"Compass Sensors","description":"\u003cp\u003eStandalone magnetic heading modules for compatible navigation and control systems.\u003c\/p\u003e","products":[{"product_id":"matek-mateksys-ap_periph-can-magnetometer-rm3100-rm3100-dronecan-protocol","title":"MATEKSYS CAN Magnetometer RM3100 CAN-L4-3100, ArduPilot AP_Periph DroneCAN, STM32L431","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe MATEKSYS AP_Periph CAN Magnetometer - RM3100 (CAN-L4-3100) is a CAN magnetometer module based on the PNI RM3100 geomagnetic sensor and ArduPilot AP_Periph firmware. It supports DroneCAN protocol and is designed to provide stable magnetic measurements over temperature with low power consumption and noise immunity.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eProfessional grade CAN magnetometer based on RM3100 and ArduPilot AP_Periph firmware\u003c\/li\u003e\n\u003cli\u003eDroneCAN protocol support on CAN interface\u003c\/li\u003e\n\u003cli\u003eUART2 MSP output (MatekL431-Periph firmware)\u003c\/li\u003e\n\u003cli\u003eUART3 interface for external GNSS module\u003c\/li\u003e\n\u003cli\u003eST debug interface: SWCLK and SWDIO\u003c\/li\u003e\n\u003cli\u003eRM3100 sensor characteristics: high resolution, low power consumption, large signal noise immunity, large dynamic range, high sampling rates, stable over temperature, inherently free from offset drift\u003c\/li\u003e\n\u003cli\u003eOn-board LED indicators (booting\/working\/3.3V)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor order support and technical assistance, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ Designation\u003c\/td\u003e\n\u003ctd\u003eCAN-L4-3100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGeomagnetic sensor\u003c\/td\u003e\n\u003ctd\u003ePNI RM3100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN node MCU\u003c\/td\u003e\n\u003ctd\u003eSTM32L431xC, 256KB Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN interface\u003c\/td\u003e\n\u003ctd\u003eCAN, DroneCAN Protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART2\u003c\/td\u003e\n\u003ctd\u003eMSP output (MatekL431-Periph fw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART3\u003c\/td\u003e\n\u003ctd\u003eFor external GNSS module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDebug\u003c\/td\u003e\n\u003ctd\u003eST debug, SWCLK and SWDIO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply (board)\u003c\/td\u003e\n\u003ctd\u003e4.5~5.5V @5V pad\/pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003e22mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40~85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard size\u003c\/td\u003e\n\u003ctd\u003e36mm x 25mm x 10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e6g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED indicators\u003c\/td\u003e\n\u003ctd\u003eBlue fast blinking: Booting; Blue slow blinking: Working; Red: 3.3V indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisible board markings (top)\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"https:\/\/rcdrone.top\/collections\/matek\" title=\"MatekSys\"\u003eMATEKSYS\u003c\/a\u003e, CAN-L4-3100, 120R, 3V3 boot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisible pad labels (top)\u003c\/td\u003e\n\u003ctd\u003eRx3, Tx3, G, 5V, Rx2, Tx2, C-L, C-H, swc, swd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisible connector marking (bottom)\u003c\/td\u003e\n\u003ctd\u003e5 H L G CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisible mechanical annotations (image)\u003c\/td\u003e\n\u003ctd\u003e36mm; 25mm; 10mm; 30mm Dia. 3.5mm; 20mm Dia. 2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eFirmware\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eArduPilot AP_Periph: MatekL431-GPS or MatekL431-Periph\u003c\/li\u003e\n\u003cli\u003eUpdate via DroneCAN GUI Tool or Mission Planner: AP_Periph.bin\u003c\/li\u003e\n\u003cli\u003eUpdate via STLink: AP_Periph_with_bl.hex\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eParameters\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCAN_P1_DRIVER = 1 if attached to CAN bus1 port, or CAN_P2_DRIVER = 1 if attached to CAN bus2 port\u003c\/li\u003e\n\u003cli\u003eCOMPASS_AUTODEC = 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1x CAN-L4-3100 board\u003c\/li\u003e\n\u003cli\u003e1x JST-GH-4P to JST-GH-4P 20cm silicon wire\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDroneCAN compass \/ magnetometer module for ArduPilot AP_Periph systems\u003c\/li\u003e\n\u003cli\u003eMSP protocol magnetometer output via UART2\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSetup Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePre-installed firmware: MatekL431-GPS\u003c\/li\u003e\n\u003cli\u003eMount the magnetometer away from power lines\/motors and iron-based material: \u0026gt;=10cm\u003c\/li\u003e\n\u003cli\u003eMounting ears can be cut off if not needed\u003c\/li\u003e\n\u003cli\u003eIf CAN wires are too long, bridge the 120R jumper\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUART (MSP protocol) Connection\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCAN-L4-3100 5V — FC 4.0V ~ 5.3V\u003c\/li\u003e\n\u003cli\u003eCAN-L4-3100 G — FC G\/GND\u003c\/li\u003e\n\u003cli\u003eCAN-L4-3100 TX2 — FC spare UART_RX\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eArduPilot (since 4.1.x) FC Parameters\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSerialx_PROTOCOL = 32 (MSP), where x is the SERIAL port used for connection on autopilot\u003c\/li\u003e\n\u003cli\u003eSerialx_BAUD = 115, where x is the SERIAL port used for connection on autopilot\u003c\/li\u003e\n\u003cli\u003eCOMPASS_TYPEMASK 0 (or make sure MSP bit is not checked)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eINAV (since 2.6) FC Parameters\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePorts tab: Enable MSP on the corresponding UART that CAN-L4-3100 is connected to; do not enable other functions on that UART; select Baudrate 115200\u003c\/li\u003e\n\u003cli\u003eset mag_hardware = MSP\u003c\/li\u003e\n\u003cli\u003eset align_mag = CW90, if compass is mounted flat with arrow facing forward and the flight controller arrow is also facing forward\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eManuals\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e3D file: \u003ca href=\"https:\/\/www.mateksys.com\/Downloads\/other\/CAN-L4-3100_step.zip\" rel=\"noopener\" target=\"_blank\"\u003eCAN-L4-3100_step.zip\u003c\/a\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eDetails\u003c\/h2\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/S70ce30740509446980295749484ccdcet.webp?v=1715358450\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/S7fffb065581f4cd3a3f300a1a4f655d4U.webp?v=1715358457\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/S0fb63c444919407db4b80454c281c379J.webp?v=1715358466\"\u003e","brand":"MATEKSYS","offers":[{"title":"Default Title","offer_id":44093514875104,"sku":"1005005462365286-China","price":62.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/products\/S228af4a9efa24740a85ceb9d2cc32abeb.jpg?v=1689781434"},{"product_id":"holybro-dronecan-rm3100-professional-grade-compass","title":"Holybro DroneCAN RM3100 Professional Grade Compass","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003csection class=\"elementor-section elementor-top-section elementor-element elementor-element-710390ea elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-element_type=\"section\" data-id=\"710390ea\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7c042b17\" data-element_type=\"column\" data-id=\"7c042b17\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-wrap elementor-element-populated\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-4044ef65 elementor-widget elementor-widget-text-editor\" data-element_type=\"widget\" data-id=\"4044ef65\" data-mce-fragment=\"1\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThis professional-grade RM3100 compass\/magnetometer has i\u003cspan data-mce-fragment=\"1\"\u003empeccable signal-to-noise ratios, no drift, and precise magnetic field measurements. It can provide\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eprofessional-grade heading accuracy and orientation calculations for your vehicle. With this compass, your vehicle can navigate through waypoints with little magnetic disturbance due to motor coils and metal parts. You can achieve the best result by placing this module far away from motor coils and other metal parts, getting rid of one of the largest points of failure on your unmanned vehicle.\u003c\/p\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"css-175oi2r r-1ro0kt6 r-16y2uox r-1wbh5a2 r-18u37iz r-1777fci\" data-mce-fragment=\"1\" data-rnwr1490-1777fci=\"true\" data-rnwr700-i023vh-1777fci=\"true\" data-rnwrdesktop-1q6rxnj=\"true\"\u003e\n\u003cdiv class=\"css-175oi2r r-1ro0kt6 r-16y2uox r-1wbh5a2 r-ecifi\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"css-175oi2r\" data-mce-fragment=\"1\" data-rnwr700-1ow6zhx-=\"true\" data-rnwrdesktop-13lvk87=\"true\"\u003e\n\u003cdiv class=\"css-175oi2r\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"r-1oszu61 r-1xc7w19 r-1phboty r-1yadl64 r-deolkf r-6koalj r-1mlwlqe r-eqz5dr r-1q142lx r-crgep1 r-ifefl9 r-bcqeeo r-t60dpp r-bnwqim r-417010 r-1yzf0co r-tskmnb r-xd6kpl\" data-key=\"ee68d50f775e4f38ac076c7a0ceb1bf3\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"r-1oszu61 r-1xc7w19 r-1phboty r-1yadl64 r-deolkf r-6koalj r-eqz5dr r-crgep1 r-ifefl9 r-bcqeeo r-t60dpp r-bnwqim r-417010 r-1ro0kt6 r-16y2uox r-1wbh5a2\" data-block-content=\"ee68d50f775e4f38ac076c7a0ceb1bf3\" data-mce-fragment=\"1\"\u003e\n\u003cp class=\"css-1rynq56 r-gg6oyi r-ubezar r-16dba41 r-135wba7 r-1nf4jbm r-fdjqy7 r-1xnzce8\" data-mce-fragment=\"1\" dir=\"auto\"\u003eThis 3-axis magnetometer, based on PNI’s proprietary magneto-inductive technology, delivers high-performance resolution and repeatability. It has a very high level of resolution (10 nT) and ultra-low magnetic hysteresis, making it perfect for applications that require high heading accuracy. \u003cstrong data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003eWith its DroneCAN output protocol, it can deliver robust and reliable connectivity over relatively large distances, and wiring is less complicated as you can have a single bus for connecting all your DroneCAN peripherals. It also does not occupy any serial ports on the flight controller.\u003c\/p\u003e\n\u003ch3 class=\"css-1rynq56 r-gg6oyi r-ubezar r-16dba41 r-135wba7 r-1nf4jbm r-fdjqy7 r-1xnzce8\" data-mce-fragment=\"1\" dir=\"auto\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSpecification\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"table-wrapper\" data-mce-fragment=\"1\"\u003e\n\u003ctable data-mce-fragment=\"1\" width=\"506\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" rowspan=\"2\" width=\"250\"\u003eParameter\u003c\/td\u003e\n\u003ctd colspan=\"3\" data-mce-fragment=\"1\" width=\"192\"\u003eCycle Counts\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" rowspan=\"2\" width=\"64\"\u003eUnits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e50\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e100\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eField Measurement Range\u003c\/td\u003e\n\u003ctd colspan=\"3\" data-mce-fragment=\"1\"\u003e-800 to +800\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eμT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eGain\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e20\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e38\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e75\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eLSB\/μT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e50\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e26\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e13\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003enT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eNoise\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e30\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e20\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e15\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003enT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"250\"\u003eMax Single-Axis Sample Rate\u003cbr data-mce-fragment=\"1\"\u003e(Divide by 3 for Max. 3-Axis Sample Rate)\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e1600\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e850\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e440\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd colspan=\"3\" data-mce-fragment=\"1\"\u003e-40 to +85\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"css-1rynq56 r-gg6oyi r-ubezar r-16dba41 r-135wba7 r-1nf4jbm r-fdjqy7 r-1xnzce8\" data-mce-fragment=\"1\" dir=\"auto\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eOutput connector:\u003c\/strong\u003e 4pin JST-GH1.25\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"css-1rynq56 r-gg6oyi r-ubezar r-16dba41 r-135wba7 r-1nf4jbm r-fdjqy7 r-1xnzce8\" data-mce-fragment=\"1\" dir=\"auto\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eMounting Orientation\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e:\u003cbr data-mce-fragment=\"1\"\u003e\u003cimg alt=\"Holybro RM3100 Mounting Orientation\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0604\/5905\/7341\/files\/RM3100Orientation_600x600.png?v=1683169382\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RM3100Orientation_600x600_898d480b-de14-4afa-bbad-93135433fe58.png?v=1715084565\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eDimension:\u003c\/h3\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cimg alt=\"it has a very high level of resolution (10 nT) and ultra-low magnetic\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0604\/5905\/7341\/files\/DroneCAN_RM3100_Dimension_480x480.png?v=1695090762\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/DroneCAN_RM3100_Dimension_480x480_2efc6c09-bc08-478b-b906-eacfa431ba27.png?v=1715084575\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/h3\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eDownloads\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRM3100 Sensor Data\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e3D CAD File\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePackage Includes\u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003e：\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1x  DroneCAN RM3100 Compass\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HolyBro","offers":[{"title":"27cm","offer_id":44613561319648,"sku":"RM3100_27cm","price":81.0,"currency_code":"USD","in_stock":false},{"title":"42cm","offer_id":44613561352416,"sku":"RM3100_42cm","price":81.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/18088_1_1800x1800_42395b5e-c642-4879-b951-36a6907307c6.webp?v=1705243792"},{"product_id":"cuav-c-compass","title":"CUAV C-Compass RM3100 Sensor - DroneCAN High-precision Compass Sensor","description":"\u003cp\u003e\u003c!-- --\u003e\u003c\/p\u003e\n\u003cp\u003eThe CUAV C-Compass is a high-precision compass and magnetometer designed for professional use. It features the RM3100 industrial-grade magnetometer, a revolutionary sensor that has transformed magnetic field measurements with its exceptional resolution and minimal noise interference.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCUAV C-Compass Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e STM32F4 100MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetometer:\u003c\/strong\u003e RM3100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Protocol:\u003c\/strong\u003e DroneCAN\/UAVCAN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Speed:\u003c\/strong\u003e 2Mb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefresh Rate:\u003c\/strong\u003e 80Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise:\u003c\/strong\u003e 15nT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e 0.25° (Effective Value)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll Angle Accuracy:\u003c\/strong\u003e 0.05°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.01°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 13nT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Range:\u003c\/strong\u003e -800μT to +800μT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Control Types:\u003c\/strong\u003e PX4\/ArduPilot (CUAV\/Pixhawk, etc.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e GHR-04V-S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 4.75-5.3V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C to 85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Humidity:\u003c\/strong\u003e 5%-95% (Non-condensing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Material:\u003c\/strong\u003e Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 13g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:The price is not the real price, please send us a message if you want to buy\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCUAV C-Compass Features:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Sensor:\u003c\/strong\u003e Utilizes the RM3100 magnetometer, known for its superior resolution of 10 nanoteslas (10 nT) and more than 20 times lower noise compared to leading Hall Effect sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Accuracy:\u003c\/strong\u003e Ensures precise navigation and reliable heading reference, even in the presence of external magnetic interference and noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e Powered by a 100MHz STM32F4 processor with an integrated M4C software architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e Supports high-speed CAN bus communication with DroneCAN protocol, ideal for long-distance data transmission and reducing the number of occupied interfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/rcdrone.top\/collections\/cuav\" title=\"CUAV\"\u003eCUAV\u003c\/a\u003e C-Compass RM3100 Sensor Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe CUAV C-Compass is a compact and reliable module designed to eliminate magnetic interference and noise from external sources, ensuring high accuracy in heading and orientation calculations. Its user-friendly design allows for seamless integration, eliminating the need for temperature calibration while delivering consistent, high-performance results. Ideal for applications demanding superior accuracy, the C-Compass supports precise navigation through waypoints, mitigating disturbances caused by motor coils and metallic components.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"CUAV COMPASS RM3100 Sensor-Dronecan High-PRECISION Compass Sensor\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/CUAV_COMPASS_RM3100__rcdrone_1717077566.webp?v=1717077572\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"CUAV COMPASS RM3100 Sensor-Dronecan High-PRECISION Compass Sensor\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/CUAV_COMPASS_RM3100__rcdrone_1717077590.webp?v=1717077597\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"CUAV COMPASS RM3100 Sensor-Dronecan High-PRECISION Compass Sensor\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/CUAV_COMPASS_RM3100__rcdrone_1717077618.webp?v=1717077625\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"CUAV COMPASS RM3100 Sensor-Dronecan High-PRECISION Compass Sensor\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/CUAV_COMPASS_RM3100__rcdrone_1717077644.webp?v=1717077651\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"CUAV COMPASS RM3100 Sensor-Dronecan High-PRECISION Compass Sensor\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/CUAV_COMPASS_RM3100__rcdrone_1717077672.webp?v=1717077679\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"CUAV COMPASS RM3100 Sensor-Dronecan High-PRECISION Compass Sensor\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/CUAV_COMPASS_RM3100__rcdrone_1717077698.webp?v=1717077705\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"CUAV COMPASS RM3100 Sensor-Dronecan High-PRECISION Compass Sensor\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/CUAV_COMPASS_RM3100__rcdrone_1717077730.webp?v=1717077737\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"CUAV COMPASS RM3100 Sensor-Dronecan High-PRECISION Compass Sensor\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/CUAV_COMPASS_RM3100__rcdrone_1717077752.webp?v=1717077759\"\u003e\u003c\/p\u003e","brand":"CUAV","offers":[{"title":"Default Title","offer_id":45685721563360,"sku":"C-Compass","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/20240529212810.jpg?v=1716989350"},{"product_id":"zeroone-onecompass-rm3100","title":"ZeroOne OneCompass RM3100 External Compass Module, DroneCAN Interface, RM3100 Magnetometer for UAV","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/rcdrone.top\/collections\/zeroone-aerospace\" title=\"ZeroOne AeroSpace\"\u003eZeroOne\u003c\/a\u003e OneCompass RM3100 is an external compass module for UAV systems, using an RM3100 magnetic sensor and a DroneCAN communication interface. The compact module includes SYS, PWR, and CAN status indicators for integration and diagnostics.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDroneCAN communication protocol\u003c\/li\u003e\n\u003cli\u003eProcessor: STM32L431\u003c\/li\u003e\n\u003cli\u003eCommunication rate: 2MBit\/s Max\u003c\/li\u003e\n\u003cli\u003eHeading accuracy: 0.01°\u003c\/li\u003e\n\u003cli\u003eOn-device indicators: SYS \/ PWR \/ CAN\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic sensor\u003c\/td\u003e\n\u003ctd\u003eRM3100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication protocol\u003c\/td\u003e\n\u003ctd\u003eDroneCAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eSTM32L431\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication rate\u003c\/td\u003e\n\u003ctd\u003e2MBit\/s Max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeading accuracy\u003c\/td\u003e\n\u003ctd\u003e0.01°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e-800 to +800 µT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e50 µT @ 50 cycle counts; 26 µT @ 100 cycle counts; 13 µT @ 200 cycle counts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise\u003c\/td\u003e\n\u003ctd\u003e30 µT @ 50 cycle counts; 20 µT @ 100 cycle counts; 15 µT @ 200 cycle counts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinearity\u003c\/td\u003e\n\u003ctd\u003e0.5% @ ±200 µT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit oscillation frequency\u003c\/td\u003e\n\u003ctd\u003e180 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003ctd\u003e4.6 V ~ 5.3 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-20 °C ~ 85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e8.4 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e34.2 mm x 16.2 mm x 10.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOneCompass RM3100 module x1\u003c\/li\u003e\n\u003cli\u003e25 x 15 3M adhesive x2\u003c\/li\u003e\n\u003cli\u003eCAN\/I2C cable (30 cm) x1\u003c\/li\u003e\n\u003cli\u003eQuality certificate x1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUAV systems requiring an external compass via DroneCAN\u003c\/li\u003e\n\u003cli\u003eDroneCAN-based navigation and heading sensing integrations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor product compatibility or installation questions, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2\u003eDetails\u003c\/h2\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/ScreenShot_2025-12-30_204244_236.png?v=1767098624\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/ScreenShot_2025-12-30_204143_011.png?v=1767098624\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/ScreenShot_2025-12-30_204151_635.png?v=1767098624\"\u003e","brand":"ZeroOne","offers":[{"title":"Default Title","offer_id":48481348092128,"sku":"One-RM3100","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/ScreenShot_2025-12-30_204112_900.png?v=1767101184"},{"product_id":"src-cuav-7815-cuav-high-precision-rm3100-magnetic-c-compass-external-compass-for-pixhawk-and-px4","title":"CUAV High Precision RM3100 C-Compass External Compass Magnetometer for Pixhawk PX4 ArduPilot DroneCAN\/UAVCAN","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/rcdrone.top\/collections\/cuav\" title=\"CUAV\"\u003eCUAV\u003c\/a\u003e C-Compass is an external compass (high-precision magnetometer) built around the RM3100 magnetic sensor for Pixhawk and PX4 controller ecosystems. It uses DroneCAN\/UAVCAN bus communication and is compatible with ArduPilot and PX4 platforms, with a built-in STM32F4 processor running CUAV M4C software architecture for stable heading measurement in electrically noisy airframes.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRM3100 magnetic sensor\u003c\/li\u003e\n\u003cli\u003eBuilt-in STM32F4 processor\u003c\/li\u003e\n\u003cli\u003eCUAV self-developed M4C software architecture\u003c\/li\u003e\n\u003cli\u003eCompatible with APM\/PX4 flight software platform\u003c\/li\u003e\n\u003cli\u003eDroneCAN\/UAVCAN protocol support\u003c\/li\u003e\n\u003cli\u003eDesigned for low noise and anti-interference performance when used as an external compass\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMCU\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSTM32F412 (32 Bit Arm Cortex-M4, 100MHz, 512KB FLASH, 256KB RAM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSensor\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eRM3100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSoftware Architecture\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCUAV M4C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProtocol\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eDroneCAN\/UAVCAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCommunication Rate\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2Mb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRefresh Rate\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e80Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eNoise\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e15nT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAccuracy\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0.25° (effective value)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRepetition Accuracy\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0.05°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eResolution\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSensitivity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e13nT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRange\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e-800 μT to +800 μT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eController Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePX4\/ArduPilot (CUAV\/Pixhawk etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInterface\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eGHR-04V-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperating Voltage\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e4.75-5.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperating Temperature\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperating Humidity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e5% to 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCasing Material\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSize\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e31.5 x 31.0 x 14.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e13g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eListed Weight\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eListed Dimensions\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 10 x 10 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eOptions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eC-Compass * 3 Pcs\u003c\/li\u003e\n\u003cli\u003eC-Compass \u0026amp; NEO 3 GPS \/ Set\u003c\/li\u003e\n\u003cli\u003eC-Compass \u0026amp; NEO 3 Pro GPS \/ Set\u003c\/li\u003e\n\u003cli\u003eC-Compass \u0026amp; NEO 3X GPS \/ Set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExternal compass\/heading sensing for Pixhawk and CUAV autopilot builds running PX4 or ArduPilot\u003c\/li\u003e\n\u003cli\u003eImproving magnetic measurement stability by mounting away from interference sources (cables, batteries, motors)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor integration and compatibility questions (DroneCAN\/UAVCAN setup, ArduPilot\/PX4 parameters, wiring), contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e","brand":"CUAV","offers":[{"title":"C-Compass * 3 Pcs","offer_id":51215391621344,"sku":"CUAV-G0303","price":203.0,"currency_code":"USD","in_stock":false},{"title":"C-Compass \u0026 NEO 3X GPS \/ Set","offer_id":51215391654112,"sku":"CUAV-G0303","price":217.0,"currency_code":"USD","in_stock":false},{"title":"C-Compass \u0026 NEO 3 Pro GPS \/ Set","offer_id":51215391686880,"sku":"CUAV-G0303","price":301.0,"currency_code":"USD","in_stock":false},{"title":"C-Compass \u0026 NEO 3 GPS \/ Set","offer_id":51215391719648,"sku":"CUAV-G0303","price":189.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/CUAV-High-Precision-RM3100-C-Compass-External-Compass.jpg?v=1774494542"},{"product_id":"src-flywoo-16057624045901222113242494-flywoo-bqnano-v1-0-model-w-compass-and-baro-0-6g","title":"Flywoo BQNANO V1.0 Model w\/ Compass \u0026 Baro 0.6g","description":"\u003cdiv class=\"product-detail-collapse product-detail-collapse_productDetail\"\u003e\n\u003cdiv class=\"base-collapse\"\u003e\n\u003cdiv class=\"base-collapse-item base-collapse-item-sync active\" data-isinitshadowdom=\"true\" data-pageid=\"16795845243318678385\"\u003e\n\u003cdiv class=\"base-collapse-item__header body2\"\u003e\n\u003cspan class=\"base-collapse-item__title\"\u003eProduct Description\u003c\/span\u003e \u003cspan class=\"base-collapse-item__arrow\"\u003e\u003csvg class=\"icon-chevron-down\" fill=\"none\" height=\"6\" viewbox=\"0 0 8 6\" width=\"8\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n\u003cpath class=\"icon-chevron-down-left\" d=\"M4 4.5L7 1.5\" stroke=\"currentColor\" stroke-linecap=\"square\" stroke-width=\"1.25\"\u003e\u003c\/path\u003e\n\u003cpath class=\"icon-chevron-down-right\" d=\"M4 4.5L1 1.5\" stroke=\"currentColor\" stroke-linecap=\"square\" stroke-width=\"1.25\"\u003e\u003c\/path\u003e\n\u003c\/svg\u003e \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"base-collapse-item__wrap\"\u003e\n\u003cdiv class=\"base-collapse-item__content body3\" data-ssr-plugin-detail-description=\"\"\u003e\n\u003cdiv data-node=\"shadow-content\" style=\"overflow: hidden;\"\u003e\n\u003cdiv class=\"mce-content-body aside\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n      .mce-content-body img {\n        opacity: 0;\n        max-width: 100%;\n        height: auto;\n      }\n      .mce-content-body p img {\n        vertical-align: bottom;\n      }\n      .mce-content-body img[srcset],\n      .mce-content-body img[src] {\n        opacity: 1;\n      }\n      .mce-content-body a {\n        color:inherit !important;\n        display:inline-block;\n        font-size:inherit !important;\n      }\n      .mce-content-body.aside table{\n        min-width: 100% !important;\n      }\n      @media (max-width: 749.98px){\n        .mce-content-body table{\n          min-width: 100% !important;\n        }\n        .mce-content-body .table-wraper-fix \u003e table \u003e tbody \u003e tr td,\n        .mce-content-body .table-wraper-fix \u003e table \u003e tbody \u003e tr th{\n          min-width: 54px;\n        }\n      }\n\n      .mce-content-body .table-wraper-fix{\n        padding-bottom: 1px;\n        padding-right: 1px;\n      }\n\n      @media (min-width: 749.98px){\n        .mce-content-body .table-wraper-fix \u003e table \u003e tbody \u003e tr td,\n        .mce-content-body .table-wraper-fix \u003e table \u003e tbody \u003e tr th{\n          min-width: 80px !important;\n          box-sizing: border-box !important;\n        }\n        .mce-content-body.bottom .table-wraper-fix \u003e table \u003e tbody \u003e tr td,\n        .mce-content-body.bottom .table-wraper-fix \u003e table \u003e tbody \u003e tr th{\n          min-width: 120px !important;\n        }\n      }\n      .table-wraper-fix \u003e table \u003e tbody \u003e tr td,\n      .table-wraper-fix \u003e table \u003e tbody \u003e tr th {\n        padding: 8px;\n      }\n    \u003c\/style\u003e\n\u003cdiv class=\"product-detail-collapse product-detail-collapse_productDetail\"\u003e\n\u003cdiv class=\"base-collapse\"\u003e\n\u003cdiv class=\"base-collapse-item base-collapse-item-sync active\" data-isinitshadowdom=\"true\" data-pageid=\"16795845243318678385\"\u003e\n\u003cdiv class=\"base-collapse-item__wrap\"\u003e\n\u003cdiv class=\"base-collapse-item__content body3\" data-ssr-plugin-detail-description=\"\"\u003e\n\u003cdiv data-node=\"shadow-content\" style=\"overflow: hidden;\"\u003e\n\u003cdiv class=\"mce-content-body aside\"\u003e\n\u003ch2\u003eFeature:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel: \u003ca href=\"https:\/\/rcdrone.top\/collections\/flywoo\" title=\"FlyWoo\"\u003eFLYWOO\u003c\/a\u003e BQNANO V1\u003c\/li\u003e\n\u003cli\u003eBaro: BMP280\u003c\/li\u003e\n\u003cli\u003eCompass QMC5883L\u003c\/li\u003e\n\u003cli\u003ePower supply: 3.3V-5V\u003c\/li\u003e\n\u003cli\u003eCommunication: I2C protocol\u003c\/li\u003e\n\u003cli\u003ePin: SH1.0-4\u003c\/li\u003e\n\u003cli\u003eWeight: 0.6g\u003c\/li\u003e\n\u003cli\u003eModule size: 11mm*15.5mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eIf your FC board has a barometer, you need to disconnect the Baro SDA \/ SCL pad.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg alt=\"\" class=\"lozad\" data-src=\"https:\/\/img-va.myshopline.com\/image\/store\/2004172091\/1673593876355\/1-8124d6dd-a725-48d4-8403-9a6dfa5a9cbc-2048x2048.png?w=2048\u0026amp;h=1362\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-node=\"shadow-dom\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"FLYWOO","offers":[{"title":"Default Title","offer_id":51432290189536,"sku":"flywoo-BQ01","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/99399795891be8baa8692d079128b8fe.jpg?v=1776655507"},{"product_id":"witmotion-hwt3100-geomagnetic-sensor","title":"WitMotion HWT3100-485 Three-Axis Electronic Compass Geomagnetic Sensor for RS485 Modbus RTU (IP67)","description":"\u003cp\u003e\u003ciframe height=\"753\" src=\"https:\/\/www.youtube.com\/embed\/NDnH0rN5TTo\" title=\"YouTube video player\" width=\"1280\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eWitMotion HWT3100-485 is a three-axis electronic compass geomagnetic sensor designed for 3-axis geomagnetic intensity measurement and heading angle output. It supports RS485 multi-device connection (up to 50 devices simultaneously) and uses Modbus RTU communication for integration into industrial and embedded systems.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3-axis magnetic field output and heading angle output\u003c\/li\u003e\n\u003cli\u003ePortable fluxgate digital gauss meter design\u003c\/li\u003e\n\u003cli\u003eRS485 multi-device connection: up to 50 multiple connections simultaneously\u003c\/li\u003e\n\u003cli\u003eHigh resolution; one-key reset; magnetic auto-recovery\u003c\/li\u003e\n\u003cli\u003eIP67 protection; high-quality aluminum shell; suitable for harsh environments\u003c\/li\u003e\n\u003cli\u003eSoaking in water can be up to 30 mins (as stated)\u003c\/li\u003e\n\u003cli\u003eEasy to read graphs: simple, visual data review in real time; quickly know data changes\u003c\/li\u003e\n\u003cli\u003eFrom provided description: selectable measurement range and output rate (0.2-100Hz stated); 32-bit processor; SCA3300 temp-compensation MEMS module; RM3100 magnetometer-compensation chip; dynamic fusion algorithm and Kalman Filtering; angle measurement accuracy 0.05 degree (X, Y-axis), low-drift Z-axis angle, automatic data correction, large signal-noise immunity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eName\u003c\/td\u003e\n\u003ctd\u003eHWT3100 Fluxgate Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWitMotion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel (this listing)\u003c\/td\u003e\n\u003ctd\u003eHWT3100-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e5V-36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003eRS485 version: \u0026lt;10mA (TTL version reference: \u0026lt;6mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003eModbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud rate\u003c\/td\u003e\n\u003ctd\u003e9600 (default), 115200, 460800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eSerial TTL \/ Serial 485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e-800uT to +800uT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e13nT\/LSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData output\u003c\/td\u003e\n\u003ctd\u003e0.1Hz-100Hz (TTL), Modbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e-40 C to +85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eSensor: 50g; cable (1m, weight: 48g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e83*25*25mm \/ 3.27*0.99*0.99\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e2 x M2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical drawing callouts\u003c\/td\u003e\n\u003ctd\u003e83mm length; 25mm body height; 21.5mm (callout); 40mm (callout); 16mm (callout); 16.2mm (callout)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eBuilt-in Sensor Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2* Sen-XY-f (pn13104) geomagnetic module\u003c\/li\u003e\n\u003cli\u003e1* Sen-Z-f (pn13101) geomagnetic module\u003c\/li\u003e\n\u003cli\u003e1* MagI2C (pn13156) control chip\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eParameter Table (Cycle Counts)\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003e50\u003c\/th\u003e\n\u003cth\u003e100\u003c\/th\u003e\n\u003cth\u003e200\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Measurement Range\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e-800uT to +800uT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise\u003c\/td\u003e\n\u003ctd\u003e30nT\u003c\/td\u003e\n\u003ctd\u003e20nT\u003c\/td\u003e\n\u003ctd\u003e15nT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain@3V (LSB\/uT)\u003c\/td\u003e\n\u003ctd\u003e20nT\u003c\/td\u003e\n\u003ctd\u003e38nT\u003c\/td\u003e\n\u003ctd\u003e75nT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinearity over +\/-200uT\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e0.5% (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e50nT\u003c\/td\u003e\n\u003ctd\u003e26nT\u003c\/td\u003e\n\u003ctd\u003e13nT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax 3-Axis Sample Rate\u003c\/td\u003e\n\u003ctd\u003e534uA\u003c\/td\u003e\n\u003ctd\u003e284uA\u003c\/td\u003e\n\u003ctd\u003e147uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Usage@8Hz, 3Axes\u003c\/td\u003e\n\u003ctd\u003e70uA\u003c\/td\u003e\n\u003ctd\u003e135uA\u003c\/td\u003e\n\u003ctd\u003e260uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit Oscillation Frequency\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e180kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBias Resistor (RB)\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e121\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eInterface (Wire Color \/ PIN Definition)\u003c\/h2\u003e\u003ch3\u003eTTL version interface description (reference)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePIN\u003c\/th\u003e\n\u003cth\u003eDefinition\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003e5-36V power input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eRX\u003c\/td\u003e\n\u003ctd\u003eSerial data input, TTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003ctd\u003eTX\u003c\/td\u003e\n\u003ctd\u003eSerial data output, TTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003e485 version interface description\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePIN\u003c\/th\u003e\n\u003cth\u003eDefinition\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003e5-36V power input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003eDifferential signal 485 communication A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eDifferential signal 485 communication B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eData Output Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSupports Modbus RTU raw data output.\u003c\/li\u003e\n\u003cli\u003eSerial ASCII code output is shown for the serial version; note: the RS485 version does not support the ASCII output mode.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMagnet\u003c\/li\u003e\n\u003cli\u003eSpeaker\u003c\/li\u003e\n\u003cli\u003eMechanical Part\u003c\/li\u003e\n\u003cli\u003eMagnetic Separator\u003c\/li\u003e\n\u003cli\u003eDC\u003c\/li\u003e\n\u003cli\u003eIron Remover\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupport \u0026amp; Warranty\u003c\/h2\u003e\u003cp\u003eWarranty: 12-month warranty (as stated). A tutorial link is printed on the guiding card inside the package. For order support, integration questions, or wiring help, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Promotional banner for ultra-high accuracy MEMS IMU solutions for IoT, mapping, and monitoring applications\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass.webp?v=1783261925\"\u003e\u003cimg alt=\"Model selection chart comparing HWT3100 TTL and HWT3100-485 RS485 versions with voltage, current, and protocol\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_74a7f536-2090-4978-8db2-61a529b1d19e.webp?v=1783261931\"\u003e\u003cp\u003eChoose the HWT3100-485 version for RS485 networks using Modbus RTU communication.\u003c\/p\u003e\n\u003cimg alt=\"WitMotion HWT3100 fluxgate geomagnetic sensor with 3-axis magnetic field and heading angle output highlights\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_0ea24564-24a6-47a3-904c-93892a33ce09.webp?v=1783261937\"\u003e\u003cp\u003eThe HWT3100-485 measures 3-axis geomagnetic intensity and outputs heading angle for compass and orientation tasks.\u003c\/p\u003e\n\u003cimg alt=\"IP67 protection graphic showing the aluminum HWT3100 sensor housing with water splash resistance message\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_8f43ce87-8acf-47f0-996c-4dbeed37751d.webp?v=1783261944\"\u003e\u003cp\u003eAn IP67-rated aluminum shell supports use in harsh environments where dust and water exposure are expected.\u003c\/p\u003e\n\u003cimg alt=\"Applications collage showing magnets, speaker, mechanical parts, magnetic separator, DC motor, and iron remover\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_588e4573-be4d-4d73-8306-d6921cdb93cf.webp?v=1783261950\"\u003e\u003cp\u003eSuitable for integration into equipment affected by magnetic fields such as motors, separators, and other industrial assemblies.\u003c\/p\u003e\n\u003cimg alt=\"Magnetic field output demo with sensor in hand and PC dashboard displaying 3-axis magnetic readings and heading\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_d254dcf7-d040-491c-b3ac-5bc49653cdde.webp?v=1783261956\"\u003e\u003cimg alt=\"RS485 multi-device connection diagram with master terminal and multiple slave sensors on A\/B differential bus (up to 50)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_fed680f1-9f0d-4270-84d8-0be754bee6f4.webp?v=1783261961\"\u003e\u003cp\u003eRS485 multi-drop wiring supports connecting up to 50 sensors on the same bus for scalable deployments.\u003c\/p\u003e\n\u003cimg alt=\"PC software graph interface displaying real-time trend lines for magnetic field channels and related values\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_03bcf1a4-54dd-444b-b641-e26e04ea9745.webp?v=1783261967\"\u003e\u003cimg alt=\"Raw data table screenshot showing serial ASCII output example and note that RS485 version does not support ASCII mode\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_7bb903a4-5626-45d2-b299-c77be123033c.webp?v=1783261974\"\u003e\u003cp\u003eFor HWT3100-485, use Modbus RTU rather than ASCII output mode.\u003c\/p\u003e\n\u003cimg alt=\"Modbus RTU raw data screenshot showing register-style output table for magnetic field readings and heading values\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_f877634f-ad7d-4171-8d9a-22ffbcc839cd.webp?v=1783261982\"\u003e\u003cp\u003eModbus RTU output makes it straightforward to parse readings in PLCs, gateways, and embedded controllers.\u003c\/p\u003e\n\u003cimg alt=\"Advantages comparison graphic contrasting fluxgate sensor module features versus RM3100 chip and discrete solutions\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_0cbc5743-fd60-4a80-8650-42116d3f8fe2.webp?v=1783261991\"\u003e\u003cimg alt=\"Specifications table and mechanical dimensions for WitMotion HWT3100-485, including size 83×25×25 mm and range ±800 µT\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_dfafd1e8-fbeb-44f3-9176-37c217215545.webp?v=1783262000\"\u003e\u003cp\u003eMechanical dimensions and core specs are provided for enclosure planning, mounting, and system power budgeting.\u003c\/p\u003e\n\u003cimg alt=\"Parameter table listing noise, gain, linearity, sensitivity, sample rate, and current usage across cycle count settings\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_8bbc1a28-610a-493b-b9f8-ae421df9a83e.webp?v=1783262009\"\u003e\u003cimg alt=\"Wiring\/pin definition tables for TTL and RS485 versions with wire colors for VCC, A\/B (or RX\/TX), and GND\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_8ac8e1ab-61b3-4b1c-85b8-d1970bd1f4e7.webp?v=1783262018\"\u003e\u003cp\u003eWire color definitions help verify power and communications connections before commissioning.\u003c\/p\u003e\n\u003cimg alt=\"Wiring connection diagrams for TTL, MCU UART, and RS485 interface showing VCC, GND, and signal line routing\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_c545fb3d-2d3d-4dd5-8acc-f01b954f2363.webp?v=1783262027\"\u003e\u003cp\u003eConnection diagrams summarize typical hookups for MCU UART (TTL) and differential RS485 (A\/B) installations.\u003c\/p\u003e\n\u003cimg alt=\"Protocol reference page showing ASCII (AT command) samples and Modbus mode read\/write command frame structure\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_af77e569-f07a-415b-b1b5-abcae658f3b2.webp?v=1783262037\"\u003e\u003cimg alt=\"Development kits graphic listing included resources: manual, PC software, and sample code\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-HWT3100-485-Three-axis-electronic-compass_7f5220b5-7934-4fb0-9f77-8107809a9bba.webp?v=1783262046\"\u003e\u003cp\u003eDocumentation, PC tools, and sample code support faster setup and integration.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"WitMotion","offers":[{"title":"HWT3100-TTL","offer_id":53304131453152,"sku":"HWT3100-TTL-1","price":72.72,"currency_code":"USD","in_stock":true},{"title":"HWT3100-485","offer_id":53304131485920,"sku":"HWT3100-TTL-2","price":72.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/3100.jpg?v=1783260801"},{"product_id":"witmotion-rm3100-sensor","title":"WitMotion RM3100 Electronic Compass Geomagnetic Sensor Module for Magnetic Heading, High-Accuracy SPI Interface","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe RM3100 geomagnetic sensor module is an electronic compass module for 3-axis magnetic field measurement and magnetic heading output. The source images show a compact half-hole stamp-hole board, SPI and I2C interface support, TTL serial support on the module variants, and PC software that displays magnetic data in real time. For setup support, contact support@rcdrone.top.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3-axis magnetic field output with heading angle support.\u003c\/li\u003e\n\u003cli\u003eRM3100 measurement range: -800 to +800 uT.\u003c\/li\u003e\n\u003cli\u003eLow-noise, high-resolution module design with built-in MCU data acquisition shown in the product advantages.\u003c\/li\u003e\n\u003cli\u003eSupports SPI and I2C interfaces; the pin labels also show TTL serial, DRDY\/INT, SWIM, SCL\/SCLK, SDA\/MOSI, SA1\/MISO, and SA0\/SSN.\u003c\/li\u003e\n\u003cli\u003eOperating voltage shown as 3.3V or 5V input, depending on the module variant.\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -40 to 85 C.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ch3\u003eRM3100 Performance Parameters\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003e50 Cycle Counts\u003c\/th\u003e\n\u003cth\u003e100 Cycle Counts\u003c\/th\u003e\n\u003cth\u003e200 Cycle Counts\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement range\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e-800 to +800\u003c\/td\u003e\n\u003ctd\u003euT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003eLSB\/uT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003enT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003enT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise density\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e1.2\u003c\/td\u003e\n\u003ctd\u003enT\/Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability \u0026gt; +\/-200uT\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003enT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHysteresis \u0026gt; +\/-200uT\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e15\u003c\/td\u003e\n\u003ctd\u003enT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinearity \u0026gt; +\/-200uT\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle-axis sampling rate\u003c\/td\u003e\n\u003ctd\u003e1600\u003c\/td\u003e\n\u003ctd\u003e850\u003c\/td\u003e\n\u003ctd\u003e440\u003c\/td\u003e\n\u003ctd\u003eHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle-axis average current\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003euA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBias resistance\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e121\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e-40 to 85\u003c\/td\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eRM3100 Module Basic Parameters\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3-axis sampling rate\u003c\/td\u003e\n\u003ctd\u003e550Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eSPI \u0026amp; I2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagI2C dimensions (L x W x H)\u003c\/td\u003e\n\u003ctd\u003e4.0 x 4.0 x 0.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSen-XY dimensions (L x W x H)\u003c\/td\u003e\n\u003ctd\u003e6.0 x 2.1 x 2.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSen-Zv dimensions (L x W x H)\u003c\/td\u003e\n\u003ctd\u003e3.0 x 3.0 x 5.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003ePin Functions\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003eModule power supply, 3.3V or 5V input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRX\u003c\/td\u003e\n\u003ctd\u003eSerial data input, TTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTX\u003c\/td\u003e\n\u003ctd\u003eSerial data output, TTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eINT\u003c\/td\u003e\n\u003ctd\u003eData status, connect chip DRDY pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSWIM\u003c\/td\u003e\n\u003ctd\u003eChip SWIM pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSA1\/MISO\u003c\/td\u003e\n\u003ctd\u003e1 bit of IIC slave address \/ SPI master input, slave output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSCL\/SCLK\u003c\/td\u003e\n\u003ctd\u003eIIC clock line \/ SPI clock signal line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDA\/MOSI\u003c\/td\u003e\n\u003ctd\u003eIIC data line \/ SPI master output, slave input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSA0\/SSN\u003c\/td\u003e\n\u003ctd\u003e0 bit of IIC slave address \/ SPI active low select port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"WitMotion RM3100 electronic compass geomagnetic sensor module overview with 3-axis heading and SPI interface\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100.webp?v=1783349686\"\u003e\u003cimg alt=\"PC software demo reading RM3100 magnetic X\/Y\/Z and yaw in real time over serial connection\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_b466ebbe-f15e-481d-b0ed-d9c26edd798b.webp?v=1783349698\"\u003e\u003cimg alt=\"Parameter comparison table for QMC5883L, JY-RM3100 and RM3100 sensor modules (voltage, range, interface)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_1fb957a8-1ae4-4914-a50d-ff0b3419f221.webp?v=1783349708\"\u003e\u003cimg alt=\"QMC5883L wiring connection and board dimensions with labeled VCC, SCL, SDA, GND and DRDY pads\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_1b9835fc-8fe7-4499-9064-afc4aeee75dd.webp?v=1783349719\"\u003e\u003cimg alt=\"QMC5883L pin function table for VCC, RX\/TX, GND, SCL, SDA, D0, SWCLK, DRDY and D3\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_212c8c6f-79af-47ec-b84a-bff9228eef4b.webp?v=1783349729\"\u003e\u003cimg alt=\"JY-RM3100 module dimensions and pin labels for SPI\/I2C\/TTL, including INT, SWIM, MOSI and MISO\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_f02b0fd3-aa93-431f-8c1f-66070e03de7e.webp?v=1783349741\"\u003e\u003cimg alt=\"JY-RM3100 pin definitions for INT, VCC, RX\/TX, SWIM, SA1\/MISO, SCL\/SCLK, SDA\/MOSI and SA0\/SSN\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_1313bdaa-b35f-4c60-bbcf-c57414cdaf0d.webp?v=1783349751\"\u003e\u003cimg alt=\"RM3100 SPI module size drawing with 12.7 mm board outline and back-side pin labels (CLK, MISO, MOSI, SSN)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_abfe124c-8c48-4ae0-a053-39582d84c3f3.webp?v=1783349762\"\u003e\u003cimg alt=\"Text description of PNI RM3100 magnetic sensor kit components (Sen-XY, Sen-Z and MagI2C control chip)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_436b2335-ac04-4971-ac61-85551b9a77da.webp?v=1783349772\"\u003e\u003cimg alt=\"RM3100 module feature highlights: low power, stamp-hole package, 3-axis sensing and SPI interface\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_b4a05ed8-0d98-423b-a506-1b39b78c40b1.webp?v=1783349783\"\u003e\u003cimg alt=\"RM3100 performance parameters table with measurement range, gain, sensitivity, noise and sampling rate by cycle count\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_7c70a62c-ffc6-493d-b038-d88cef1ebe19.webp?v=1783349793\"\u003e\u003cimg alt=\"RM3100 magnetic kit basic parameters table listing 550 Hz 3-axis sampling, SPI\/I2C and component dimensions\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_c73553a4-f0be-46b2-a8ac-0d14a03fde7f.webp?v=1783349803\"\u003e\u003cimg alt=\"Performance comparison table of Hall sensor vs PNI magnetic sensor for sensitivity, noise and current consumption\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_0a486d57-b725-4c60-b545-d5e7d14f0d6c.webp?v=1783349813\"\u003e\u003cimg alt=\"Product advantages comparison: RM3100 module with built-in MCU and heading output vs bare RM3100 chip\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_b37e65ca-1300-4401-9e7d-f843f2ce29e0.webp?v=1783349823\"\u003e\u003cimg alt=\"RM3100 module benefits infographic covering ultra-low noise, wide dynamic range, high stability and interface flexibility\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_462ce4ca-5a05-43e7-80a3-4813937345bd.webp?v=1783349834\"\u003e\u003cimg alt=\"RM3100 hardware analysis labeling MagI2C 13156 and sensor elements 13101\/13104 on the module PCB\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_e3bab9fb-3288-4a32-8110-4e50b1e43dd3.webp?v=1783349844\"\u003e\u003cimg alt=\"Wiring guide to connect RM3100 module to a computer using a USB-TTL adapter (VCC, TX\/RX, GND)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_bb246115-50c3-4044-b464-46346657cba1.webp?v=1783349853\"\u003e\u003cimg alt=\"Development board testing setup with CH330 driver and Type‑C plug-and-play connection to PC software\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_1d2d865d-59be-4d09-9d2f-18a5d4455cb5.webp?v=1783349863\"\u003e\u003cimg alt=\"WitMotion RM3100 electronic compass module SPI wiring diagram showing VCC, GND, SCLK, MOSI, MISO, SSN and DRDY pins\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_ff7aa683-f240-42a4-85af-8618d0a251a1.webp?v=1783349873\"\u003e\u003cp\u003eThe RM3100 compass module uses an SPI pinout with labeled pads (VCC, GND, SCLK, MOSI, MISO, SSN, DRDY) to simplify MCU wiring and soldering.\u003c\/p\u003e\n\u003cimg alt=\"Screenshot of WitMotion RM3100 data protocol software in ASCII mode showing Magnetic X\/Y\/Z and Yaw output fields\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_8b6a0d33-ab28-4973-8bb7-e0c2401ddefd.webp?v=1783349884\"\u003e\u003cp\u003eThe RM3100 module can output Magnetic X, Magnetic Y, Magnetic Z, and yaw heading data using an ASCII (AT command) data protocol.\u003c\/p\u003e\n\u003cimg alt=\"Application examples for an electronic compass sensor module, including navigation, parking, security access, and medical devices\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_31cb245e-5ee7-4e65-872a-b7768c61dad2.webp?v=1783349896\"\u003e\u003cp\u003eRM3100 geomagnetic compass modules are commonly used for magnetic heading in navigation systems, parking solutions, security access control, and medical equipment.\u003c\/p\u003e\n\u003cimg alt=\"Development kit downloads for WitMotion RM3100 compass module: manual, Windows software (JY-RM3100) and SDK\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_4eada7d1-76b6-4d00-b443-c76e5a6b3435.webp?v=1783349906\"\u003e\u003cp\u003eThe RM3100 development kit includes a manual, Windows software (JY-RM3100), and an SDK to support setup and integration.\u003c\/p\u003e\n\u003cimg alt=\"Shipping list showing QMC5883L compass sensor module front and back with included pin headers\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_0e58219f-4d39-4009-ba24-be49ed7a203e.webp?v=1783349916\"\u003e\u003cp\u003eThe QMC5883L compass sensor module comes with front and back views for reference and includes multiple pin headers for soldering.\u003c\/p\u003e\n\u003cimg alt=\"WitMotion JY-RM3100 electronic compass module front and back view with SPI pins and header connectors\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_3a75389f-b15c-489d-97d5-a9e77a9d2741.webp?v=1783349926\"\u003e\u003cp\u003eThe WitMotion JY-RM3100 RM3100 compass sensor module includes front\/back board views and pin headers for SPI wiring.\u003c\/p\u003e\n\u003cimg alt=\"RM3100 electronic compass geomagnetic sensor module front and back, showing SPI pins VCC, GND, DRDY, CLK, MISO, MOSI, SSN\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RM3100-Mag-Compensation-Chip-PNI-RM3100_c1a377db-f4f7-4386-8661-f61986054da4.webp?v=1783349936\"\u003e\u003cp\u003eThe RM3100 compass module provides clearly labeled SPI and power pins for straightforward magnetic heading integration.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"WitMotion","offers":[{"title":"PNI RM3100","offer_id":53305172394208,"sku":"A.000500-1","price":66.32,"currency_code":"USD","in_stock":true},{"title":"JY-RM3100 TTL","offer_id":53305172426976,"sku":"A.000500-2","price":67.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/rm3100-mag-compensation-chip-pni-rm3100-high-accuracy-mag-geomagnetismspi-interface-8346309.png?v=1783304344"},{"product_id":"witmotion-jy-rm3100-magnetometer","title":"WitMotion JY-RM3100 Serial 3-Axis Electronic Compass Module (PNI RM3100) Heading Angle TTL\/SPI\/IIC","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe WitMotion JY-RM3100 is a serial 3-axis electronic compass (geomagnetic sensor) module based on a PNI RM3100 magnetic sensor solution, designed to output 3-axis magnetic field data and a heading angle. It uses fluxgate technology and supports multiple interfaces for integration into robotics, UAV\/RC navigation, and other heading\/attitude sensing projects.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh sensitivity 3-axis magnetic field measurement with heading angle output\u003c\/li\u003e\n\u003cli\u003eFluxgate technology\u003c\/li\u003e\n\u003cli\u003eMultiple interfaces: TTL \/ SPI \/ IIC\u003c\/li\u003e\n\u003cli\u003eMagnetic field self-recovery\u003c\/li\u003e\n\u003cli\u003eStamp-hole (castellated) package style (\"half hole of stamp hole\")\u003c\/li\u003e\n\u003cli\u003eBuilt-in MCU for data acquisition (module feature)\u003c\/li\u003e\n\u003cli\u003eAT serial port support (module feature)\u003c\/li\u003e\n\u003cli\u003eHeading angle calculation (module feature)\u003c\/li\u003e\n\u003cli\u003eMagnetic field zero-bias calibration (module feature)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ch3\u003eModel Parameter Table (as provided)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eQMC5883L\u003c\/th\u003e\n\u003cth\u003eJY-RM3100\u003c\/th\u003e\n\u003cth\u003eRM3100 (No software)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating voltage (current)\u003c\/td\u003e\n\u003ctd\u003e3.3-5V (\u0026lt;5mA)\u003c\/td\u003e\n\u003ctd\u003e3.3-5V (\u0026lt;6mA)\u003c\/td\u003e\n\u003ctd\u003e3.3-5V (\u0026lt;6mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput data\u003c\/td\u003e\n\u003ctd\u003e3-axis mag, heading angle\u003c\/td\u003e\n\u003ctd\u003e3-axis mag, heading angle\u003c\/td\u003e\n\u003ctd\u003e3-axis mag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e±8 Gauss\u003c\/td\u003e\n\u003ctd\u003e±800uT\u003c\/td\u003e\n\u003ctd\u003e±800uT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn frequency\u003c\/td\u003e\n\u003ctd\u003e0.1-100Hz\u003c\/td\u003e\n\u003ctd\u003e1-100Hz\u003c\/td\u003e\n\u003ctd\u003e0.1-100Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication method\u003c\/td\u003e\n\u003ctd\u003eTTL\/SPI\/IIC\u003c\/td\u003e\n\u003ctd\u003eTTL\/SPI\/IIC\u003c\/td\u003e\n\u003ctd\u003eSPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud rate\u003c\/td\u003e\n\u003ctd\u003e9600 (default); 115200, 460800\u003c\/td\u003e\n\u003ctd\u003e9600 (default); 115200, 460800\u003c\/td\u003e\n\u003ctd\u003e9600 (default); 115200, 460800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e3000 LSB\/Gauss\u003c\/td\u003e\n\u003ctd\u003e13nT\/LSB\u003c\/td\u003e\n\u003ctd\u003e13nT\/LSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85°C\u003c\/td\u003e\n\u003ctd\u003e-40 to 85°C\u003c\/td\u003e\n\u003ctd\u003e-40 to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMode\u003c\/td\u003e\n\u003ctd\u003eASCII\/Modbus\/Modbus Auto output\u003c\/td\u003e\n\u003ctd\u003eASCII\/Modbus\u003c\/td\u003e\n\u003ctd\u003e\\\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eRM3100 Performance Parameters (Cycle Counts 50 \/ 100 \/ 200)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter name\u003c\/th\u003e\n\u003cth\u003e50\u003c\/th\u003e\n\u003cth\u003e100\u003c\/th\u003e\n\u003cth\u003e200\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement range\u003c\/td\u003e\n\u003ctd\u003e-800~+800\u003c\/td\u003e\n\u003ctd\u003e-800~+800\u003c\/td\u003e\n\u003ctd\u003e-800~+800\u003c\/td\u003e\n\u003ctd\u003euT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003eLSB\/uT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003enT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003enT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise density\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e1.2\u003c\/td\u003e\n\u003ctd\u003enT\/Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability \u0026gt; ±200uT\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003enT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHysteresis \u0026gt; ±200uT\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e15\u003c\/td\u003e\n\u003ctd\u003enT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinearity \u0026gt; ±200uT\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle axis sampling rate\u003c\/td\u003e\n\u003ctd\u003e1600\u003c\/td\u003e\n\u003ctd\u003e850\u003c\/td\u003e\n\u003ctd\u003e440\u003c\/td\u003e\n\u003ctd\u003eHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle axis average current\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003euA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBias resistance\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e121\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e-40~85\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eRM3100 Magnetic Kit Main Basic Parameters\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e3-axis sampling rate\u003c\/td\u003e\n\u003ctd\u003e550Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eSPI \u0026amp; I2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (length x width x height) - MagI2C\u003c\/td\u003e\n\u003ctd\u003e4.0 x 4.0 x 0.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (length x width x height) - Sen-XY\u003c\/td\u003e\n\u003ctd\u003e6.0 x 2.1 x 2.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (length x width x height) - Sen-Zv\u003c\/td\u003e\n\u003ctd\u003e3.0 x 3.0 x 5.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eAdditional Text Specs Shown\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRM3100 SPI measurement range: ±800uT\u003c\/li\u003e\n\u003cli\u003eJY-RM3100 measurement range: ±800uT\u003c\/li\u003e\n\u003cli\u003eQMC5883L measurement range: ±8 Gauss\u003c\/li\u003e\n\u003cli\u003eMeasurement noisy is less than 15uT @ 200 Cycle Count\u003c\/li\u003e\n\u003cli\u003eMeasurement resolution is higher than 13uT @ 200 Cycle Count\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDimensions\u003c\/h2\u003e\u003ch3\u003eJY-RM3100 Module Dimensions (as shown)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e15.24mm x 15.24mm\u003c\/li\u003e\n\u003cli\u003e12.7mm (shown on drawing)\u003c\/li\u003e\n\u003cli\u003e2.54mm (shown on drawing)\u003c\/li\u003e\n\u003cli\u003e0.9mm (shown on drawing)\u003c\/li\u003e\n\u003cli\u003eThickness: 7.35mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRM3100 Module Dimensions (as shown)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSize: 12.7mm x 12.7mm\u003c\/li\u003e\n\u003cli\u003eThickness: 7.4mm\u003c\/li\u003e\n\u003cli\u003eAdditional marked dimensions: 2.45mm, 2.63mm, 2.40mm, 2.68mm, 2.54mm, 7.62mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eQMC5883L Module Dimensions (as shown)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e15.24mm x 15.24mm\u003c\/li\u003e\n\u003cli\u003e12.7mm (shown on drawing)\u003c\/li\u003e\n\u003cli\u003e2.54mm (shown on drawing)\u003c\/li\u003e\n\u003cli\u003e0.9mm (shown on drawing)\u003c\/li\u003e\n\u003cli\u003eThickness: 2mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWiring \/ Pinout\u003c\/h2\u003e\u003ch3\u003eJY-RM3100 Pin Names and Functions\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eINT\u003c\/td\u003e\n\u003ctd\u003eData status, connect chip DRDY pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003eModule power, 3.3V or 5V input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRX\u003c\/td\u003e\n\u003ctd\u003eSerial data input, TTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTX\u003c\/td\u003e\n\u003ctd\u003eSerial data output, TTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSWIM\u003c\/td\u003e\n\u003ctd\u003eChip SWIM pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSA1\/MISO\u003c\/td\u003e\n\u003ctd\u003e1 bit of IIC slave address \/ SPI master input, slave output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSCL\/SCLK\u003c\/td\u003e\n\u003ctd\u003eIIC clock line \/ SPI clock signal line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDA\/MOSI\u003c\/td\u003e\n\u003ctd\u003eIIC data line \/ SPI master output, slave input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSA0\/SSN\u003c\/td\u003e\n\u003ctd\u003e0 bit of IIC slave address \/ SPI active low select port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eQMC5883L Pin Names and Functions\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003eModule power supply, 3.3V or 5V input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRX\u003c\/td\u003e\n\u003ctd\u003eSerial data input, TTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTX\u003c\/td\u003e\n\u003ctd\u003eSerial data output, TTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND ground line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSCL\u003c\/td\u003e\n\u003ctd\u003eI2C clock line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDA\u003c\/td\u003e\n\u003ctd\u003eI2C data line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD0\u003c\/td\u003e\n\u003ctd\u003eD0 connects to MCU's PD4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSWCLK\u003c\/td\u003e\n\u003ctd\u003eSWCLK connects to MCU's SWCLK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRDY\u003c\/td\u003e\n\u003ctd\u003eConnects to MCU's DRDY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3\u003c\/td\u003e\n\u003ctd\u003eConnects to MCU's PA3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eRM3100 Module Pad Labels (as shown)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVCC, GND, GND, DRDY\u003c\/li\u003e\n\u003cli\u003eCLK, MISO, MOSI, SSN\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDemo \/ Data Display\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSerial communication; PC software displays the data in real time.\u003c\/li\u003e\n\u003cli\u003eDisplayed fields include: Magnetic X, Magnetic Y, Magnetic Z, Yaw.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eNotes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRM3100 magnetic sensor kit composition (as provided): 2 x Sen-XY-f (pn13104), 1 x Sen-Z-f (pn13101), and MagI2C (pn13156) control chip, for 3D magnetic field measurement.\u003c\/li\u003e\n\u003cli\u003ePerformance comparison data shown (Hall sensor vs PNI magnetic sensor): Sensitivity 300nT vs 13nT; Noise 500nT vs 15nT; Power consumption current (8Hz, 3 axes) 280uA vs 70uA.\u003c\/li\u003e\n\u003cli\u003eFor selection\/compatibility questions (JY-RM-3100 or RM3100 option) and integration support, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"WitMotion JY-RM3100 serial 3-axis electronic compass module (PNI RM3100) with heading angle output\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module.webp?v=1783347362\"\u003e\u003cp\u003eThe JY-RM3100 module uses a PNI RM3100 fluxgate magnetic sensor to output 3-axis magnetic field data and a calculated heading angle.\u003c\/p\u003e\n\u003cimg alt=\"PC software demo of JY-RM3100 compass streaming Magnetic X\/Y\/Z data and yaw over serial connection\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_4a39faf1-3bfc-431d-9a9e-3803a73a7ceb.webp?v=1783347374\"\u003e\u003cp\u003eReal-time serial output makes it easy to verify Magnetic X\/Y\/Z readings and yaw on a computer during setup and calibration.\u003c\/p\u003e\n\u003cimg alt=\"Parameter comparison table for QMC5883L vs JY-RM3100 vs RM3100 (no software): range, interface, baud rate\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_c7f9e99c-647e-4049-aed4-dde245b39b96.webp?v=1783347385\"\u003e\u003cp\u003eA quick parameter comparison highlights measurement range, update frequency, and interface options across common compass solutions.\u003c\/p\u003e\n\u003cimg alt=\"QMC5883L module wiring connection and pinout with dimensions, including VCC, RX\/TX, SCL\/SDA, GND and SWD pads\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_bca27638-0050-42e2-9c5d-b8c3c645bb06.webp?v=1783347397\"\u003e\u003cp\u003eClear pin labeling helps map power, UART, and I2C connections when integrating the module into a controller or dev board.\u003c\/p\u003e\n\u003cimg alt=\"Pin function table for module signals: VCC, RX, TX, GND, SCL, SDA, D0, SWCLK, DRDY, D3\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_ea8e9cd4-bea6-4cc9-850b-b4796eabd72c.webp?v=1783347409\"\u003e\u003cimg alt=\"JY-RM3100 module dimensions and pinout for TTL\/SPI\/I2C connections, including INT, VCC, RX, TX, SCL\/SCLK, SDA\/MOSI\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_7536acf0-159c-4979-9409-bc1a8233a81a.webp?v=1783347420\"\u003e\u003cp\u003eCastellated “stamp-hole” edges and multi-interface pinout simplify soldering and integration for TTL, SPI, or I2C builds.\u003c\/p\u003e\n\u003cimg alt=\"JY-RM3100 pin definition table: INT, VCC, RX\/TX, GND, SWIM, SA1\/MISO, SCL\/SCLK, SDA\/MOSI, SA0\/SSN\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_461004eb-1afa-4ab1-bc7e-0b956cc614d6.webp?v=1783347430\"\u003e\u003cimg alt=\"RM3100 module board size drawing (12.7mm x 12.7mm) with front\/back views and SPI pins labeled\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_e19590b5-b34d-45f8-a815-8a91621e2393.webp?v=1783347441\"\u003e\u003cp\u003eMechanical dimensions and labeled pads support fast PCB layout for RM3100-based designs.\u003c\/p\u003e\n\u003cimg alt=\"Text description of PNI RM3100 magnetic sensor kit components including Sen-XY, Sen-Zf and MagI2C control chip\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_caea8358-2e0f-4af5-8708-3364a1332838.webp?v=1783347451\"\u003e\u003cimg alt=\"RM3100 compass sensor feature summary: low consumption, stamp-hole package, SPI interface, high precision, 3-axis\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_eeec4bba-7789-48c4-b6d5-76eea4140ba1.webp?v=1783347462\"\u003e\u003cp\u003eFluxgate sensing and a standard SPI interface make RM3100 modules a strong fit for robotics, UAV, and navigation projects.\u003c\/p\u003e\n\u003cimg alt=\"RM3100 performance parameters table with cycle counts 50\/100\/200: gain, sensitivity, noise, sampling rate, current\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_29dd9df0-ce73-4d1e-bb8f-779cbef8a8fa.webp?v=1783347472\"\u003e\u003cimg alt=\"RM3100 magnetic kit basic parameters table: 3-axis sampling rate 550Hz, interface SPI \u0026amp; I2C, component dimensions\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_59a94c68-6e8d-483b-bbe7-7a00f7a435d2.webp?v=1783347482\"\u003e\u003cimg alt=\"Performance comparison table: Hall sensor vs PNI magnetic sensor showing sensitivity, noise and power consumption\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_430c7271-c928-401c-b3c2-23b300f2867a.webp?v=1783347492\"\u003e\u003cp\u003eA side-by-side comparison calls out the lower noise and lower current draw advantages of the PNI magnetic sensor approach.\u003c\/p\u003e\n\u003cimg alt=\"Product advantages chart comparing RM3100 module vs RM3100 chip: built-in MCU, AT serial support, heading calc, calibration\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_dbddac37-764a-45a7-bb08-e532d10381a1.webp?v=1783347503\"\u003e\u003cp\u003eChoosing the full module adds onboard acquisition and serial features, including heading-angle calculation and zero-bias calibration support.\u003c\/p\u003e\n\u003cimg alt=\"RM3100 module capability graphic highlighting ultra-low noise, wide dynamic range, high stability, and interface flexibility\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_5111c9b8-9b98-4fef-926d-4dd195418f39.webp?v=1783347514\"\u003e\u003cimg alt=\"RM3100 hardware analysis graphic labeling MagI2C 13156 control and geomagnetic sensor elements (13101\/13104)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_fc7bea5c-ef5a-473c-9f6a-e5c6dea99c17.webp?v=1783347525\"\u003e\u003cimg alt=\"How-to-use wiring guide connecting JY-RM3100 to computer via USB-TTL adapter with VCC, TX-RX, RX-TX, GND mapping\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_06a1854d-4ec4-4a5d-953c-ba0385279728.webp?v=1783347536\"\u003e\u003cp\u003eBasic USB‑TTL wiring (VCC, GND, and crossed TX\/RX) enables quick PC testing before integrating with a flight controller or MCU.\u003c\/p\u003e\n\u003cimg alt=\"Development evaluation board testing view with onboard CH330 driver and USB-C plug-and-play connection to PC software\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_876ba457-84e9-4865-a2f7-d8d55db72f23.webp?v=1783347546\"\u003e\u003cp\u003eAn optional evaluation setup with onboard USB driver supports plug-and-play testing for rapid prototyping.\u003c\/p\u003e\n\u003cimg alt=\"MCU wiring diagram for WitMotion RM3100 3-axis compass module showing VCC, GND, SCLK, MOSI, MISO, SSN and DRDY pins\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_0f7af597-dc48-4bed-bd9b-b1d9bbcff446.webp?v=1783347558\"\u003e\u003cp\u003eThe RM3100 compass module uses a simple pin header layout with labeled power and SPI signal pins to simplify MCU wiring.\u003c\/p\u003e\n\u003cimg alt=\"ASCII data protocol screen for WitMotion JY-RM3100 (RM3100) compass module showing Magnetic X\/Y\/Z and yaw output\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_79015bb7-23e4-4e81-af17-c90b77a449fa.webp?v=1783347569\"\u003e\u003cp\u003eThe JY-RM3100 compass module outputs Magnetic X, Magnetic Y, Magnetic Z, and yaw data in ASCII (AT command) mode for serial parsing.\u003c\/p\u003e\n\u003cimg alt=\"Application examples for a 3-axis electronic compass module: SINS navigation, parking, security, and medical equipment\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_70a69c7a-96ff-4635-a07c-dd3714daa462.webp?v=1783347580\"\u003e\u003cp\u003eA 3-axis electronic compass module can be integrated into navigation systems, parking solutions, security access control, and medical equipment.\u003c\/p\u003e\n\u003cimg alt=\"Development kit contents listing manual, Windows software (JY-RM3100), and SDK folders for WitMotion compass module\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_afd45f66-a563-4ddf-89b0-33e236e95e9e.webp?v=1783347590\"\u003e\u003cp\u003eThe development kit includes a manual, Windows software (JY-RM3100), and an SDK to help with setup and integration.\u003c\/p\u003e\n\u003cimg alt=\"Shipping list showing QMC5883L compass module front and back views with included pin headers\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_2705fd43-53e0-4f96-81b2-af33730c966f.webp?v=1783347600\"\u003e\u003cp\u003eThe package includes a QMC5883L module with front\/back layout and multiple pin headers for soldering to your project.\u003c\/p\u003e\n\u003cimg alt=\"WitMotion JY-RM3100 3-axis electronic compass module front\/back with labeled pin pads and header pins\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-JY-RM3100-Serial-3-axis-Electronic-Compass-Module_170048e7-8f86-41c4-ace1-161879480842.webp?v=1783347610\"\u003e\u003cp\u003eThe JY-RM3100 compass module includes separate pin headers and clearly labeled pads for wiring power, data lines, and interrupt.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"WitMotion","offers":[{"title":"JY-RM-3100","offer_id":53305207423200,"sku":"A.001086-1","price":66.46,"currency_code":"USD","in_stock":true},{"title":"RM3100","offer_id":53305207455968,"sku":"A.001086-2","price":66.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/jy-rm3100-serial-3-axis-ele-compass-module-pni-magnetometer-heading-angle-1608573.jpg?v=1783305831"}],"url":"https:\/\/rcdrone.top\/collections\/compass-sensors.oembed","provider":"RCDrone","version":"1.0","type":"link"}