{"title":"Debug \u0026 Serial Adapters","description":"\u003cp\u003eUSB debug probes and serial setup interfaces; match software, pinout and target compatibility.\u003c\/p\u003e","products":[{"product_id":"raspberry-pi-debug-probe-plug-and-play-usb-to-serial-debug-uart-3-pin-debug-connector-multiple-debug-platform-supported","title":"Raspberry Pi Debug Probe – USB to serial-debug \u0026 UART, 3-pin keyed connector, CMSIS-DAP, multi-platform","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eRaspberry Pi Debug Probe is a plug-and-play debug probe that bridges USB to a dedicated serial-debug interface and to an industry‑standard UART interface. Designed for Raspberry Pi Pico, XIAO RP2040, other RP2040-based microcontrollers, and microprocessor-based platforms, it uses a compact, keyed 3‑pin debug connector with a single unidirectional clock pin and a bidirectional data I\/O pin. It provides standard CMSIS‑DAP debug and UART interfaces over USB and can also be used as a cost‑effective USB‑to‑UART cable.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAll‑in‑one debug probe: bridges USB to dedicated serial debug and industry‑standard UART.\u003c\/li\u003e\n\u003cli\u003ePlug‑and‑play 3‑pin keyed debug connector; single clock (SC) and bidirectional data (SD).\u003c\/li\u003e\n\u003cli\u003eMultiple debug platforms supported: Raspberry Pi Pico and RP2040, plus other microcontroller‑ and microprocessor‑based targets.\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi production quality: based on the Raspberry Pi Pico hardware design and runs the open‑source PicoProbe software.\u003c\/li\u003e\n\u003cli\u003eArrangement can support ARM’s Serial Wire Debug (SWD) or cJTAG over SC\/SD.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfaces over USB\u003c\/td\u003e\n\u003ctd\u003eCMSIS‑DAP debug; UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDebug connector\u003c\/td\u003e\n\u003ctd\u003eKeyed 3‑pin (SC, SD, GND)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal scheme\u003c\/td\u003e\n\u003ctd\u003e1× unidirectional clock (SC) and 1× bidirectional data (SD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget compatibility\u003c\/td\u003e\n\u003ctd\u003eRaspberry Pi Pico, XIAO RP2040, other RP2040‑based MCUs, and microprocessor‑based platforms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003ePinout\u003c\/h2\u003e\u003ctable border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Number\u003c\/td\u003e\n\u003ctd\u003eUART Signal\u003c\/td\u003e\n\u003ctd\u003eSerial Debug Signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eRX\u003c\/td\u003e\n\u003ctd\u003eSC (Serial Clock)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eTX\u003c\/td\u003e\n\u003ctd\u003eSD (Bidirectional Serial Data)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eNote: The UART TX and RX labels are from the target perspective.\u003c\/p\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003ctable border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRaspberry Pi Debug Probe\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlastic Case\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Cable\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDebug Cable (3‑pin Debug to 3‑pin Debug; 3‑pin Debug to 0.1‑inch Header (Female); 3‑pin Debug to 0.1‑inch Header (Male))\u003c\/td\u003e\n\u003ctd\u003ex3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDebugging Raspberry Pi Pico, RP2040, and other targets via CMSIS‑DAP.\u003c\/li\u003e\n\u003cli\u003eUSB‑to‑UART connection for development, logging, and provisioning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDocuments\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/datasheets.raspberrypi.com\/debug\/raspberry-pi-debug-probe-product-brief.pdf\" target=\"_blank\"\u003eRaspberry Pi Debug Probe Datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/datasheets.raspberrypi.com\/debug\/debug-connector-specification.pdf\" target=\"_blank\"\u003eRaspberry Pi 3‑pin Debug Connector Specification\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/raspberrypi\/picoprobe\" target=\"_blank\"\u003eOpen‑source PicoProbe software\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails\u003c\/h2\u003e\u003cimg src=\"https:\/\/media-cdn.seeedstudio.com\/media\/wysiwyg\/__a76f7485-c5eb-4b5f-b45b-8dc4cf102694.png\"\u003e","brand":"Seeed Studio","offers":[{"title":"Default Title","offer_id":47867807006944,"sku":"114993074","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/1-114993074-raspberry-pi-debug-probe-45font.jpg?v=1760275042"},{"product_id":"myactuator-usb-to-uart-module","title":"MyActuator USB-to-UART Module (19 x 25.1 mm, 2.6 g) USB Serial Interface with Bluetooth Option","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe MyActuator \u003cstrong\u003eUSB-to-UART module\u003c\/strong\u003e is a compact USB serial interface board for connecting a host computer (USB) to UART devices for communication, setup, or debugging. An upgraded version with \u003cstrong\u003eBluetooth\u003c\/strong\u003e functionality is also available.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eUSB to UART interface\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e option (available on upgraded version)\u003c\/li\u003e\n\u003cli\u003eCompact PCB footprint: \u003cstrong\u003e19 mm x 25.1 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLightweight: \u003cstrong\u003e2.6 g\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eUSB-to-UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e19 mm x 25.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.6 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eAvailable Versions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCable\u003c\/li\u003e\n\u003cli\u003eUSB-to-UART V1 + Cable\u003c\/li\u003e\n\u003cli\u003eUSB-to-UART V2 + Cable\u003c\/li\u003e\n\u003cli\u003eUpgraded version with Bluetooth + Cable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUSB-to-serial (UART) communication for compatible devices\u003c\/li\u003e\n\u003cli\u003eDevice configuration, parameter setting, and serial debugging where a USB-to-UART module is required\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor compatibility questions or help choosing a version, contact support at \u003ca href=\"https:\/\/rcdrone.top\/\"\u003ehttps:\/\/rcdrone.top\/\u003c\/a\u003e or email \u003ca href=\"mailto:support@rcdrone.top\"\u003esupport@rcdrone.top\u003c\/a\u003e.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"MyActuator USB-to-UART module with Bluetooth option, showing USB\/Bluetooth areas and 19 × 25.1 mm size\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MyActuator-USB-to-UART-Module.jpg?v=1779464829\"\u003e\u003cp\u003eCompact 19 × 25.1 mm USB‑to‑UART interface board, with an upgraded version that adds Bluetooth connectivity.\u003c\/p\u003e\n\u003cimg alt=\"Multi-angle views of the USB-to-UART board, highlighting the Bluetooth module, Micro‑USB connector, and pin header\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MyActuator-USB-to-UART-Module-19-x-251-mm-26-g-USB_9a88f9be-8d61-45b9-83e1-c763b5fd0229.webp?v=1779464997\"\u003e\n\u003c\/div\u003e","brand":"MyActuator","offers":[{"title":"Cable","offer_id":52686783971552,"sku":"MyActuator_US_e0adce-1","price":12.0,"currency_code":"USD","in_stock":true},{"title":"USB-to-UART V1 + Cable","offer_id":52686784004320,"sku":"MyActuator_US_e0adce-2","price":26.0,"currency_code":"USD","in_stock":true},{"title":"USB-to-UART V2 + Cable","offer_id":52686784037088,"sku":"MyActuator_US_e0adce-3","price":26.0,"currency_code":"USD","in_stock":true},{"title":"Upgraded version with Bluetooth + Cable","offer_id":52686784069856,"sku":"MyActuator_US_e0adce-4","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/MyActuator-USB-to-UART-Module-19-x-251-mm-26-g-USB.jpg?v=1779464900"},{"product_id":"cubemars-rubik-link-v2-0","title":"CubeMars RUBIK LINK V2.0 USB to Serial Port Module for AK Series Dynamical Modular (39×29×10mm)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eCubeMars RUBIK LINK V2.0 is a USB to serial port module designed for \u003ca href=\"https:\/\/rcdrone.top\/collections\/cubemars\" title=\"CubeMars\"\u003eCubeMars\u003c\/a\u003e AK series Dynamical Modular. With PC software, it can realize encoder calibration in the module, CAN ID setting, PID setting, and control calibration of position, torque, and speed three loops.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUSB to serial port module for CubeMars AK series Dynamical Modular\u003c\/li\u003e\n\u003cli\u003eSupports encoder calibration in the module\u003c\/li\u003e\n\u003cli\u003eSupports CAN ID setting\u003c\/li\u003e\n\u003cli\u003eSupports PID setting\u003c\/li\u003e\n\u003cli\u003eSupports control calibration of position, torque, and speed three loops\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor pre-sales and technical support, contact https:\/\/rcdrone.top\/ or email support@rcdrone.top.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension\u003c\/td\u003e\n\u003ctd\u003e39×29×10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e16g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eApplicable Models\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAK10-9 V2.0\u003c\/li\u003e\n\u003cli\u003eAK60-6 V1.1\u003c\/li\u003e\n\u003cli\u003eAK80-8\u003c\/li\u003e\n\u003cli\u003eAK70-10\u003c\/li\u003e\n\u003cli\u003eAK80-64\u003c\/li\u003e\n\u003cli\u003eAK80-6\u003c\/li\u003e\n\u003cli\u003eAK80-9\u003c\/li\u003e\n\u003cli\u003eAK40-10\u003c\/li\u003e\n\u003cli\u003eAK45-10\u003c\/li\u003e\n\u003cli\u003eAK45-36\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"R-LINK V2.0 USB-to-serial module function intro with PC connection diagram for CubeMars AK Dynamical Modular\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/CubeMars-RUBIK-LINK-V20.png?v=1779552019\"\u003e\u003cp\u003eUse the R-LINK V2.0 to connect a PC to CubeMars AK series Dynamical Modular for encoder calibration, CAN ID setup, PID tuning, and position\/torque\/speed loop calibration.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"CubeMars","offers":[{"title":"RUBIK LINK V2.0","offer_id":52686851408096,"sku":"CubeMars_RUBI_784c94-1","price":50.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/CubeMars-RUBIK-LINK-V20-USB-to-Serial-Port-Module-for-AK.jpg?v=1779552071"},{"product_id":"cubemars-rubik-link-v3-0","title":"CubeMars RUBIK LINK V3.0 USB-to-Serial Module (5V) for AK60\/AK70\/AK80\/AK10 V3.0 \u0026 AKA Series","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eCubeMars RUBIK LINK V3.0 is a USB-to-serial module designed for \u003ca href=\"https:\/\/rcdrone.top\/collections\/cubemars\" title=\"CubeMars\"\u003eCubeMars\u003c\/a\u003e AK3.0 series power modules. Used together with CubeMars TOOL V3.0, it supports encoder calibration, CAN ID settings, PID settings, and control calibration of position, torque, and speed loops in the module.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCommunication method: Serial, USB\u003c\/li\u003e\n\u003cli\u003eSupports encoder calibration, CAN ID settings, PID settings, and position\/torque\/speed loop control calibration (when paired with CubeMars TOOL V3.0)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication Scenarios\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHumanoid Robots\u003c\/li\u003e\n\u003cli\u003eRobotic Arms\u003c\/li\u003e\n\u003cli\u003eExoskeletons\u003c\/li\u003e\n\u003cli\u003eQuadruped Robots\u003c\/li\u003e\n\u003cli\u003eAGV Vehicles\u003c\/li\u003e\n\u003cli\u003eARU Robots\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%; border-collapse:collapse; min-width:520px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:10px; border-bottom:1px solid #ddd;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:10px; border-bottom:1px solid #ddd;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eCommunication Method\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eSerial, USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eDimension\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e73.8×23.6×14.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e14g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eApplicable models\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eAK60-6 V3.0, AK70-9, AK80-9 V3.0, AK10-9 V3.0, AKA60-6, AKA10-9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eFor wiring guidance, compatibility questions, or after-sales support, contact https:\/\/rcdrone.top\/ or email support@rcdrone.top.\u003c\/p\u003e\u003ch2\u003eManuals\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/AK-Series-Module-Product-Manual-V3.0.1.pdf?v=1758467495\" rel=\"noopener\" target=\"_blank\"\u003eAK-Series-Module-Product-Manual-V3.0.1.pdf\u003c\/a\u003e\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"CubeMars RUBIK LINK V3.0 USB-to-serial module connection schematic for AK3.0 series power modules\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/CubeMars-RUBIK-LINK-V30.jpg?v=1779552651\"\u003e\u003cp\u003eUse RUBIK LINK V3.0 with CubeMars TOOL V3.0 to connect a PC to AK3.0 modules for calibration and parameter setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"CubeMars","offers":[{"title":"RUBIK LINK V3.0","offer_id":52686853472480,"sku":"CubeMars_RUBI_41fd70-1","price":30.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/CubeMars-RUBIK-LINK-V30-USB-to-Serial-Module-5V-for.jpg?v=1779552718"},{"product_id":"yahboom-usb-serial-adapter","title":"Yahboom USB Multi-functional Serial Port Module USB-TTL\/RS485 1.8\/3.3\/5V for STM32 ESP32 RPi Jetson RDK","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eYahboom USB Multi-functional Serial Port Module is a serial communication module that combines three conversion modes on one compact board: USB to TTL, USB to RS485, and TTL to RS485. It supports selectable 1.8V\/3.3V\/5V TTL levels, RS485 hardware automatic transceiver direction switching, and high-speed communication for embedded development and industrial debugging with platforms such as STM32, ESP32, Raspberry Pi, Jetson, and RDK.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 operating modes via onboard switch:\u003c\/strong\u003e USB-TTL \/ USB-RS485 \/ TTL-RS485\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTTL voltage selection switch:\u003c\/strong\u003e 1V8 \/ 3V3 \/ 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional TTL flow control:\u003c\/strong\u003e RTS (Request To Send) \/ CTS (Clear To Send)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS485 hardware automatic transceiver switching:\u003c\/strong\u003e automatic TX\/RX direction control without software intervention\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicator lights:\u003c\/strong\u003e onboard power indicator and TX\/RX transceiver indicator lights (three LED indicators)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB Type-C interface:\u003c\/strong\u003e supports reversible insertion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection \u0026amp; reliability:\u003c\/strong\u003e onboard TVS protection (transient voltage suppressor), input reverse connection protection, RS485-A\/B pin ESD protection, resettable fuse, anti-static protection diode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCTS\/RTS level note:\u003c\/strong\u003e when TTL voltage selection is set to 1.8V\/3.3V, the CTS\/RTS level is 3.3V; when set to 5V, the CTS\/RTS level is 5V\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain chip\u003c\/td\u003e\n\u003ctd\u003eCH343P, SP3485EN-MS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface type\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C (supports reversible insertion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication protocol\u003c\/td\u003e\n\u003ctd\u003eTTL (UART) \/ RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported levels\u003c\/td\u003e\n\u003ctd\u003e1.8V \/ 3.3V \/ 5V (can supply power externally, maximum 300mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating modes\u003c\/td\u003e\n\u003ctd\u003eUSB-TTL \/ USB-RS485 \/ TTL-RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud rate range\u003c\/td\u003e\n\u003ctd\u003eUSB-TTL: 50bps ~ 6Mbps \/ USB-RS485: 6Mbps \/ TTL-RS485: 12Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485 transmission distance\u003c\/td\u003e\n\u003ctd\u003eApproximately 100 meters at 2Mbps; also depends on the interference immunity of the transmission cable, the number of bytes transmitted, and the baud rate (baud rate, number of bytes transmitted, and distance are inversely proportional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow control support\u003c\/td\u003e\n\u003ctd\u003eRTS (Output Control), CTS (Input Control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating system\u003c\/td\u003e\n\u003ctd\u003eWindows 11\/10\/7, Linux, macOS, Android\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection mechanism\u003c\/td\u003e\n\u003ctd\u003eInput reverse connection protection, RS485-A\/B pin ESD protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e64.47mm * 20mm * 8.73mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.9g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eInterfaces \/ Pinout\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTTL header:\u003c\/strong\u003e 5V, GND, RXD, TXD, RTS, CTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS485-side header:\u003c\/strong\u003e 3V3, GND, 485-B, 485-A, GND, 1V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating mode switch positions:\u003c\/strong\u003e TTL-485 \/ USB-485 \/ USB-TTL\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMicrocontroller programming\/download and UART debug printing (USB to TTL)\u003c\/li\u003e\n\u003cli\u003ePC\/Linux controller to industrial sensors\/PLCs communication (USB to RS485)\u003c\/li\u003e\n\u003cli\u003eTTL UART to RS485 conversion for MCU-to-RS485 networks (TTL to RS485)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUSB Multi-functional Serial Port Module\u003c\/li\u003e\n\u003cli\u003eDuPont wires\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eManuals \u0026amp; Tutorials\u003c\/h2\u003e\u003cp\u003eTutorial resources and driver installation guidance are provided for this module. For pre-sales or technical support, contact \u003ca href=\"mailto:support@rcdrone.top\"\u003esupport@rcdrone.top\u003c\/a\u003e or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Yahboom USB multi-functional serial port module with USB-TTL, USB-RS485 and TTL-RS485 modes\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32.jpg?v=1782181799\"\u003e\u003cp\u003eOne compact board combines USB-to-TTL, USB-to-RS485, and TTL-to-RS485 conversion for embedded and industrial serial work.\u003c\/p\u003e\n\u003cimg alt=\"USB multi-function serial port module overview for MCU download, UART debugging and RS485 communication\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_36a3cf8e-4e60-4fa9-a6b5-505e479f0ae4.jpg?v=1782181807\"\u003e\u003cp\u003eSwitch between conversion modes to cover microcontroller programming, UART log output, and RS485 device communication.\u003c\/p\u003e\n\u003cimg alt=\"Three-position operating mode switch for TTL-485, USB-485 and USB-TTL on the serial adapter board\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_52929d42-0a4a-49ab-a304-d08f41c176b8.jpg?v=1782181814\"\u003e\u003cp\u003eA simple onboard switch selects USB‑TTL, USB‑RS485, or TTL‑RS485 without rewiring the whole setup.\u003c\/p\u003e\n\u003cimg alt=\"TTL voltage selection switch supporting 1.8V, 3.3V and 5V UART logic levels\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_349af0f7-1757-44a7-b736-a2ac7ddf493f.jpg?v=1782181822\"\u003e\u003cp\u003eSelectable 1.8V\/3.3V\/5V TTL levels help match common boards like STM32, ESP32 and Raspberry Pi.\u003c\/p\u003e\n\u003cimg alt=\"Power and TX\/RX indicator LEDs on the USB serial module during connection to a laptop\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_a426bffe-4794-4404-933a-7e6d9d7a0be1.jpg?v=1782181830\"\u003e\u003cp\u003eOnboard LEDs provide quick feedback for power and serial transmit\/receive activity while debugging.\u003c\/p\u003e\n\u003cimg alt=\"Serial terminal test screenshot highlighting stable high-speed USB-TTL communication up to 6 Mbps\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_c78666cc-921e-4d5d-8347-bf21ddb67f38.jpg?v=1782181837\"\u003e\u003cimg alt=\"TTL UART flow control wiring guide for RTS\/CTS between serial debugger and microcontroller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_9279f92a-ab4d-4bcd-a7ae-93fbb64de43b.jpg?v=1782181847\"\u003e\u003cp\u003eUse RTS\/CTS hardware flow control when reliable high-speed UART transfer is required.\u003c\/p\u003e\n\u003cimg alt=\"RS485 hardware auto transceiver switching circuit diagram for automatic TX\/RX direction control\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_8e25dae5-fd7b-4759-81c7-cb57189ba638.jpg?v=1782181855\"\u003e\u003cp\u003eRS485 auto direction control reduces timing issues by switching between transmit and receive in hardware.\u003c\/p\u003e\n\u003cimg alt=\"Interface definition with USB Type-C, mode switch, voltage switch, and TTL\/RS485 pin headers labeled\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_99bff558-f53e-41c8-b634-ed76c8e56ff9.jpg?v=1782181862\"\u003e\u003cp\u003eClear pin labels make it easy to wire TTL (RXD\/TXD\/RTS\/CTS) and RS485 (A\/B) to your target device.\u003c\/p\u003e\n\u003cimg alt=\"USB to TTL mode pinout with voltage selection switch and TTL header connections labeled\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_6443ece9-e469-4fc4-bfde-3af1308b94ee.jpg?v=1782181870\"\u003e\u003cp\u003eUSB‑TTL mode supports MCU programming, serial console access, and debug printing over UART.\u003c\/p\u003e\n\u003cimg alt=\"USB to RS485 mode wiring with 485-A and 485-B connections for PC to industrial bus devices\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_78082428-e028-4236-a817-d31d917a71ba.jpg?v=1782181877\"\u003e\u003cp\u003eUSB‑RS485 mode connects a computer to RS485 sensors, PLCs, and other long-distance bus devices.\u003c\/p\u003e\n\u003cimg alt=\"TTL to RS485 mode wiring for converting a microcontroller UART to RS485 A\/B bus output\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_4a4b258f-c3c2-4d7d-b03e-ecb259a30275.jpg?v=1782181884\"\u003e\u003cp\u003eTTL‑RS485 mode converts a controller’s UART into RS485 for robust multi-drop field wiring.\u003c\/p\u003e\n\u003cimg alt=\"Board hardware callouts including resettable fuse, TVS protection, step-down chip, and LEDs\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_ad3a1ecc-00e6-4abf-aa17-6ac744262f23.jpg?v=1782181892\"\u003e\u003cp\u003eProtection parts such as TVS\/ESD measures and a resettable fuse help improve reliability in lab and field use.\u003c\/p\u003e\n\u003cimg alt=\"Included tutorial and documentation download information for the USB serial module\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_9f03472a-a3a2-462e-8640-1cc36c024edc.jpg?v=1782181900\"\u003e\u003cimg alt=\"Module specifications table with dimensions, chips, baud rates, supported levels and operating modes\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_bc86de00-0edc-40a5-a881-4bc20bf136ba.jpg?v=1782181907\"\u003e\u003cp\u003eReference dimensions and key electrical specs help confirm fit and compatibility before installation.\u003c\/p\u003e\n\u003cimg alt=\"Package contents options: module only, module with DuPont jumper wires, and Type-C data cable bundle\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module_1ee7bd28-2a7a-488a-ad0f-8e7a9d791649.webp?v=1782182338\"\u003e\u003cp\u003eChoose the kit that matches your setup, from the module alone to wiring and a USB‑C data cable.\u003c\/p\u003e\n\u003cimg alt=\"Front and back product photos of the Yahboom USB multi-functional serial port module with pin headers\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-Multi-functional-Serial-Port-Module-for-STM32_ebfa9bb9-fa16-4086-9653-d9794aa9bdac.jpg?v=1782181925\"\u003e\n\u003c\/div\u003e","brand":"Yahboom","offers":[{"title":"Module","offer_id":53141697560800,"sku":"6000400599-1","price":16.99,"currency_code":"USD","in_stock":true},{"title":"Module + DuPont wire","offer_id":53141697593568,"sku":"6000400599-2","price":17.35,"currency_code":"USD","in_stock":true},{"title":"Module + DuPont wire + Type-C","offer_id":53141697626336,"sku":"6000400599-3","price":19.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/YahboomUSBMulti-functionalSerialPortModule_1.jpg?v=1782142079"},{"product_id":"yahboom-ch340g-usb-ttl-adapter","title":"Yahboom CH340G USB to TTL Module 3.3V\/5V Selectable UART Serial Adapter with 4 DuPont Wires","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Yahboom USB to TTL module is a CH340\/CH340G-based USB-to-UART serial communication adapter for programming, writing\/downloading firmware, and general serial port communication\/debugging. It uses a CH340 original chip (STC official recommended USB to TTL chip) for stable, high-speed operation and strong compatibility across different computers\/drivers.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCH340 original chip (CH340\/CH340G USB to TTL solution)\u003c\/li\u003e\n\u003cli\u003eSelectable output voltage: 3.3V or 5V (selected by shorting cap \/ short circuit cap)\u003c\/li\u003e\n\u003cli\u003eStatus indicators: power indicator (PWR), TXD indicator, RXD indicator\u003c\/li\u003e\n\u003cli\u003e6-pin TTL header labels: 5V, VCC, 3V3, TXD, RXD, GND\u003c\/li\u003e\n\u003cli\u003eSupported systems: Windows \/ macOS \/ Linux\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVoltage Selection Notes (from provided instructions)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5V or 3V3 power supply can be selected by shorting circuit cap.\u003c\/li\u003e\n\u003cli\u003eThe voltage selection of the short-circuit cap on the 6PIN pin:\u003c\/li\u003e\n\u003cli\u003eConnect 5V-VCC short circuited to 3V3-TTL output.\u003c\/li\u003e\n\u003cli\u003eConnect 3V3-VCC short circuited to 5V-TTL output.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBasic Use Notes (from provided instructions)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe selection of 3V3 and 5V depends on the actual application environment. When the system is 3.3V, select 3V3, and when the system is 5V, select 5V.\u003c\/li\u003e\n\u003cli\u003eIf the drive and wiring are correct, and the module cannot communicate normally, exchange the RXD and TXD lines and try again.\u003c\/li\u003e\n\u003cli\u003eSimple module test method: short-circuit TXD and RXD of the module, open a serial port debugging tool, and send data. Returning the original sample indicates the module is OK.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eUSB to TTL module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChip scheme\u003c\/td\u003e\n\u003ctd\u003eCH340\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V and 5V (selected by shorting cap)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported systems\u003c\/td\u003e\n\u003ctd\u003eWindows \/ macOS \/ Linux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct size\u003c\/td\u003e\n\u003ctd\u003e52mm*16mm*8mm PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e30mm*17mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct weight\u003c\/td\u003e\n\u003ctd\u003e6g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eInterface \/ Pinout\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUSB interface\u003c\/li\u003e\n\u003cli\u003e6-pin header: 5V, VCC, 3V3, TXD, RXD, GND\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWriting\/communicate:\u003c\/strong\u003e can be used for writing firmware into an STM32 core board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect Bluetooth\/WiFi module for communication:\u003c\/strong\u003e the computer USB is inserted into this module, and the module is connected to Bluetooth with DuPont cable; master\/slave mode can be used to communicate with other Bluetooth devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial port data debugging:\u003c\/strong\u003e connect to a micro-controller and sensor; a serial port debugging assistant can be used to read sensor data.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUSB to TTL module x 1\u003c\/li\u003e\n\u003cli\u003eDuPont lines x 4\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor wiring or compatibility questions (STM32\/Raspberry Pi\/Jetson Nano serial connections, jumper settings, and driver troubleshooting), 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=\"Yahboom CH340G USB to TTL module with 3.3V\/5V selectable UART serial adapter and 6-pin header\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-to-TTL-Module-with-4PCS-DuPont-lines.jpg?v=1782181493\"\u003e\u003cp\u003eBuilt around the CH340\/CH340G USB-to-UART chip for stable serial communication, flashing, and debugging on Windows, macOS, and Linux.\u003c\/p\u003e\n\u003cimg alt=\"USB to TTL adapter wired to an STM32 development board for firmware writing and serial communication\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-to-TTL-Module-with-4PCS-DuPont-lines_ec050508-3075-4b9e-bfb2-7924e30bb6ca.jpg?v=1782181500\"\u003e\u003cp\u003eUse the 6-pin TTL header and DuPont wires to program STM32 core boards directly from a computer USB port.\u003c\/p\u003e\n\u003cimg alt=\"CH340G USB to UART TTL adapter connected to a Bluetooth\/WiFi serial module with DuPont jumper wires\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-to-TTL-Module-with-4PCS-DuPont-lines_a459a91f-55ce-40af-b3df-7a10d88150ed.jpg?v=1782181508\"\u003e\u003cp\u003eA quick way to bridge a laptop USB port to Bluetooth\/WiFi serial modules for configuration and data transfer.\u003c\/p\u003e\n\u003cimg alt=\"Serial port debugging software screen for reading sensor or microcontroller data over a USB to TTL UART adapter\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-to-TTL-Module-with-4PCS-DuPont-lines_61115bb5-9492-4d29-9fac-bcaf621ade50.jpg?v=1782181515\"\u003e\u003cp\u003ePair the adapter with a serial terminal to monitor TX\/RX data streams while developing sensors or MCU projects.\u003c\/p\u003e\n\u003cimg alt=\"Wiring schematic for USB to TTL module connections to STM32 core board, Raspberry Pi, and Jetson Nano UART pins\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-to-TTL-Module-with-4PCS-DuPont-lines_067a52ef-3ba3-4dba-9868-b6617dc89cb6.jpg?v=1782181523\"\u003e\u003cp\u003eReference wiring examples for common platforms, including STM32, Raspberry Pi, and Jetson Nano UART connections.\u003c\/p\u003e\n\u003cimg alt=\"Product parameters graphic listing CH340 USB to TTL module size, 3.3V\/5V output selection, OS support, and weight\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-to-TTL-Module-with-4PCS-DuPont-lines_38b958a8-e362-4ce1-8744-9670d7ed0ee5.jpg?v=1782181530\"\u003e\u003cp\u003eCompact 52×16×8 mm USB-to-TTL module with selectable 3.3V\/5V output via the shorting cap.\u003c\/p\u003e\n\u003cimg alt=\"Interface pinout of the USB to TTL module: 5V, VCC, 3V3, TXD, RXD, GND plus PWR\/TX\/RX status LEDs\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-to-TTL-Module-with-4PCS-DuPont-lines_4ed06947-4c7c-4a94-b147-67e88e64cc44.jpg?v=1782181537\"\u003e\u003cp\u003eClear pin labels and onboard PWR\/TX\/RX indicators make wiring and troubleshooting straightforward.\u003c\/p\u003e\n\u003cimg alt=\"Instructions for selecting 3.3V or 5V output and testing the CH340 USB to TTL adapter by shorting TXD and RXD\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-to-TTL-Module-with-4PCS-DuPont-lines_5bf3924d-f361-4061-8839-fe5dfac6d04f.jpg?v=1782181544\"\u003e\u003cp\u003eSelect 3.3V or 5V to match your target, and loop TXD to RXD for a simple communication self-test.\u003c\/p\u003e\n\u003cimg alt=\"Live product photos of the Yahboom USB to TTL UART adapter showing USB plug, CH340 chip side, and labeled header pins\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-USB-to-TTL-Module-with-4PCS-DuPont-lines_eef26dc7-8f78-4a43-8f8f-c354658fe591.jpg?v=1782181550\"\u003e\u003cp\u003eReal-board views show the USB connector, the voltage-select jumper area, and the labeled 6-pin header for quick hookup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"yahboom","offers":[{"title":"Default Title","offer_id":53141709291744,"sku":"6000300073\/6000300060-1","price":8.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/USB_to_TTLModule_01.jpg?v=1782142185"},{"product_id":"witmotion-6-in-1-usb-serial-adapter","title":"WitMotion 6-in-1 USB to Serial Converter CP2102: USB-TTL\/RS232\/RS485, TTL-232\/485, 232-485","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis [6-in-1] USB to Serial Converter is a multifunctional serial adapter for converting between USB, TTL, RS232, and RS485 interfaces. It supports USB-TTL, USB-RS232, USB-RS485, TTL-232, TTL-485, and 232-485 conversion modes, using a CP2102 chipset and on-board mode switching for selecting the required interface.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 serial conversion functions:\u003c\/strong\u003e USB-TTL, USB-RS232, USB-RS485, TTL-232, TTL-485, 232-485.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipset:\u003c\/strong\u003e CP2102 (stable and reliable).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB:\u003c\/strong\u003e USB 2.0 specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaud rates:\u003c\/strong\u003e 300 bps to 1.5 Mbps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.3V\/5V support:\u003c\/strong\u003e Supports 3.3\/5V voltage input and output; can power an MCU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Built-in 500mA self-recovery fuse (for protecting the circuit and preventing short circuit).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus indication:\u003c\/strong\u003e Indicator lights described as COM connection (yellow), RX receiving (red), TX sending (green); additional board labels also indicate USB\/receiving\/sending indicators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOS compatibility (as stated):\u003c\/strong\u003e Windows 98SE\/2000\/XP\/Vista\/7\/8\/10 (32-bit\/64-bit), Linux, WinCE, Mac OS 9, Mac OS X, Mac.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003e6-in-1 USB to serial converter \/ serial communication module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported modes\u003c\/td\u003e\n\u003ctd\u003eUSB-TTL; USB-232; USB-485; TTL-232; TTL-485; 232-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB specification\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003eCP2102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud rate\u003c\/td\u003e\n\u003ctd\u003e300 bps to 1.5 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e3.3V\/5V input and output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse\u003c\/td\u003e\n\u003ctd\u003e500mA self-recovery fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicator lights\u003c\/td\u003e\n\u003ctd\u003eCOM connection (yellow), RX (red), TX (green); board callouts also label USB\/receiving\/sending indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e54.8 mm (L) x 18.6 mm (W) x 7.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003ePin Definitions\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e+5V\u003c\/td\u003e\n\u003ctd\u003eModule power supply, 5V input and output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3V3\u003c\/td\u003e\n\u003ctd\u003eModule power supply, 3.3V output\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\u003e232R\u003c\/td\u003e\n\u003ctd\u003eSerial data input, 232 level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e232T\u003c\/td\u003e\n\u003ctd\u003eSerial data output, 232 level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eRS485 signal line A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003eRS485 signal line B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDTR\u003c\/td\u003e\n\u003ctd\u003eData terminal preparation \/ control flow output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTS\u003c\/td\u003e\n\u003ctd\u003eRequest to send\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eDial Mode Instructions\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMode\u003c\/th\u003e\n\u003cth\u003eDial1 (USB)\u003c\/th\u003e\n\u003cth\u003eDial2 (485)\u003c\/th\u003e\n\u003cth\u003eSwitch S1\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB-TTL\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003eOFF\u003c\/td\u003e\n\u003ctd\u003eDown (232-485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB-232\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003eOFF\u003c\/td\u003e\n\u003ctd\u003eUP (232-TTL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB-485\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003eDown (232-485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTTL-232\u003c\/td\u003e\n\u003ctd\u003eOFF\u003c\/td\u003e\n\u003ctd\u003eOFF\u003c\/td\u003e\n\u003ctd\u003eDown (232-485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTTL-485\u003c\/td\u003e\n\u003ctd\u003eOFF\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003eDown (232-485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e232-485\u003c\/td\u003e\n\u003ctd\u003eOFF\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003eDown (232-485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFunction Test Notes (as described)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB to TTL self-closed loop:\u003c\/strong\u003e Connect TXD and RXD with a DuPont cable, set the corresponding dial switch mode, connect to PC, then use a serial debugging assistant to send data and confirm data return.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB to 232 self-closed loop:\u003c\/strong\u003e Connect 232TX and 232RX, set the corresponding dial switch mode, connect to PC, then use a serial debugging assistant to send data and confirm data return.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB to 485 test:\u003c\/strong\u003e Attach other 485 devices (example given: use two modules in USB-485 mode, connect A-to-A and B-to-B, then verify send\/receive using serial port debugging assistants).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1x WitMotion 6-in-1 serial adapter\u003c\/li\u003e\n\u003cli\u003e4x Dupont cables\u003c\/li\u003e\n\u003cli\u003e1x Welcome card\u003c\/li\u003e\n\u003cli\u003eAntistatic bag packaging\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eNotes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSome included graphics\/documentation also reference CH340 and a “3-in-1” serial converter; the product described in this listing is the 6-in-1 adapter (as titled and packaged) with CP2102.\u003c\/li\u003e\n\u003cli\u003eSome graphics mention “USB-CAN”; this function is not part of the stated 6 conversion modes (USB\/TTL\/RS232\/RS485 and cross-conversion between TTL\/232\/485).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupport\u003c\/h2\u003e\u003cp\u003eThis product is stated to include a 12-month warranty. For order help or technical support from this store, contact \u003ca href=\"https:\/\/rcdrone.top\/\"\u003ehttps:\/\/rcdrone.top\/\u003c\/a\u003e or email \u003ca href=\"mailto:support@rcdrone.top\"\u003esupport@rcdrone.top\u003c\/a\u003e.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Promotional graphic for multi‑functional USB serial communication modules (mentions CH340\/CP2102 drivers)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to.webp?v=1783398132\"\u003e\u003cp\u003eSwitch between USB‑TTL, USB‑RS232, USB‑RS485, TTL‑to‑RS232\/RS485, and RS232‑to‑RS485 using one compact adapter.\u003c\/p\u003e\n\u003cimg alt=\"WitMotion CP2102 6‑in‑1 USB to serial converter with jumper wires, USB‑TTL\/RS232\/RS485 modes listed\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_7378da19-26e9-4117-9f87-cc3f77a06f86.webp?v=1783398138\"\u003e\u003cp\u003eA CP2102-based USB to serial converter for bench work and field troubleshooting, with a DuPont cable for quick hookups.\u003c\/p\u003e\n\u003cimg alt=\"CP2102 6‑in‑1 serial converter instruction card listing OS support, 3.3V\/5V power, fuse, and RX\/TX LEDs\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_f31b26ef-8be0-4d31-8672-68418db627ce.webp?v=1783398144\"\u003e\u003cp\u003eDriver and feature notes summarize wide OS compatibility, selectable 3.3V\/5V power, and clear RX\/TX status LEDs.\u003c\/p\u003e\n\u003cimg alt=\"CP2102 USB to serial board labeled with 6‑pin dial switch, mode switch, RX\/TX\/USB indicators, and 500mA fuse\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_f5c76333-ccc2-412b-b2e3-019a2962084f.webp?v=1783398150\"\u003e\u003cp\u003eOnboard switching and indicator LEDs make it easy to confirm the selected interface and live serial traffic at a glance.\u003c\/p\u003e\n\u003cimg alt=\"Back side of CP2102 USB to serial converter highlighting the onboard level conversion chip\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_40ab7b99-5887-4cab-bbc2-0a6f7cc96692.webp?v=1783398155\"\u003e\u003cimg alt=\"CP2102 6‑in‑1 USB‑serial converter dimensions (54.8×18.6×7.2mm) with pin definitions table\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_aec4b783-dca5-4b0c-8194-9f3f36830cf6.webp?v=1783398162\"\u003e\u003cp\u003ePinout includes TTL RX\/TX, RS232 TX\/RX, RS485 A\/B, power rails, and control lines for flexible wiring.\u003c\/p\u003e\n\u003cimg alt=\"Dial mode table for CP2102 6‑in‑1 converter showing DIP switch settings for USB‑TTL, USB‑232, USB‑485 and more\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_2496bc11-1729-43a8-bc5e-dc834899843e.webp?v=1783398168\"\u003e\u003cp\u003eSelect the required conversion mode using the DIP switches—settings are provided for all six interface combinations.\u003c\/p\u003e\n\u003cimg alt=\"Pin connection demo chart for 6‑in‑1 module: USB‑TTL, USB‑232, USB‑485, TTL‑232, TTL‑485, and 232‑485 wiring\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_d2c39982-67ea-4053-a3d4-271cd696623b.webp?v=1783398174\"\u003e\u003cp\u003eWiring diagrams help connect PCs, TTL devices, RS232 equipment, and RS485 buses without guesswork.\u003c\/p\u003e\n\u003cimg alt=\"Function test instructions for CP2102 converter: USB‑TTL and USB‑RS232 loopback plus USB‑RS485 test steps\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_794e014f-f89b-42b0-9e42-70b24b82cc2c.webp?v=1783398180\"\u003e\u003cimg alt=\"3‑in‑1 multifunctional serial converter graphic with jumper wires, listing USB‑TTL, USB‑485, and USB‑232\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_7ffc5082-4b82-49df-827e-9ac2dee175ea.webp?v=1783398186\"\u003e\u003cimg alt=\"Features text slide for a CH340 3‑in‑1 serial converter, listing OS compatibility, 3.3V\/5V, fuse, and LED indicators\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_bbed757a-0693-4bf7-917a-ab1549f2fc0e.webp?v=1783398192\"\u003e\u003cimg alt=\"CH340 USB serial converter board labeled with power supply, RX\/TX indicators, and driver chip callouts\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_a920295b-a9e7-47d4-afe8-86ba3dfd2895.webp?v=1783398198\"\u003e\u003cimg alt=\"Close-up of a CH340-based USB serial converter board highlighting the level conversion chip\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_1711379c-80f5-4a3b-8d0c-4d39d329bae7.webp?v=1783398203\"\u003e\u003cimg alt=\"Size and pin definition chart for CH340 USB serial module (50.3×15.5×5.8mm) with RS232\/RS485 pins listed\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_c4f4383e-a3db-4d7e-af4c-af8037985b1b.webp?v=1783398209\"\u003e\u003cimg alt=\"Connection instructions diagram for 3‑in‑1 module showing USB‑TTL, USB‑RS232, and USB‑RS485 wiring blocks\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_28ffb257-5bb1-4fe2-a89e-f85c9fb789b0.webp?v=1783398216\"\u003e\u003cimg alt=\"USB‑TTL module product image (green board) with jumper wires; text mentions CH340 driver and 3.3V\/5V support\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_96c729d6-c55b-4a49-8d6b-d93b57942bdb.webp?v=1783398222\"\u003e\u003cimg alt=\"Pin size definition chart for green USB‑TTL module showing dimensions and +5V, 3V3, RX, TX, GND pinout\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_9adfd51d-c9f5-402c-beb1-4d8fcb1a7fa9.webp?v=1783398228\"\u003e\u003cimg alt=\"[6-in-1] USB to Serial Converter, Multifunctional (USB to TTL\/RS485\/232, TTL-RS232\/485, 232 to 485)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_4087d2c9-b240-4865-9903-c0837845a3a7.webp?v=1783398234\"\u003e\u003cimg alt=\"WitMotion CP2102 USB to serial converter module with USB plug and 4-pin header, 46.4mm x 13.9mm\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_e1e10936-24f9-481f-a495-6f10787a1f39.webp?v=1783398239\"\u003e\u003cp\u003eThe CP2102 USB-to-serial converter uses a compact USB dongle design with a 4-pin header labeled +5V, RX, TX, and GND for simple wiring.\u003c\/p\u003e\n\u003cimg alt=\"USB to RS485 converter adapter with CH340 driver, USB-A plug, small PCB and 4-wire Dupont cable\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_dab65242-b8a7-4fb2-8c56-834d40b14425.webp?v=1783398245\"\u003e\u003cp\u003eThis USB‑to‑RS485 converter uses a CH340 driver and includes a 4‑wire Dupont lead for quick serial wiring to embedded boards.\u003c\/p\u003e\n\u003cimg alt=\"USB to serial converter module with USB plug and 5-pin header, labeled +5V, 3.3V, A, B and GND\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_bb548dc8-36e8-41ec-90e2-52ea3c400fa2.webp?v=1783398251\"\u003e\u003cp\u003eThe USB-to-serial converter uses a compact USB plug module with a 5-pin header labeled +5V, 3.3V, A, B, and GND for straightforward wiring.\u003c\/p\u003e\n\u003cimg alt=\"USB-CAN adapter board with USB-A plug, pin header connector, and included jumper cable for CAN bus wiring\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_f24b0cda-99f8-4c8e-aa8e-eb99b4685b52.webp?v=1783398257\"\u003e\u003cp\u003eThe USB-CAN adapter uses a compact USB-A dongle design with a pin header and jumper lead for quick CAN bus connections.\u003c\/p\u003e\n\u003cimg alt=\"4-channel USB-TTL serial adapter board with micro USB port and four JST-style connector headers\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_7042e3dd-c2d0-4491-bab5-71c9119a92db.webp?v=1783398264\"\u003e\u003cp\u003eThe 4-channel USB‑TTL board uses a micro‑USB connection and four JST-style ports for simple multi-device serial wiring.\u003c\/p\u003e\n\u003cimg alt=\"Spec sheet text for FT4232HL USB-to-serial board: up to 12Mbps, 5V 500mA output, EEPROM, and 4 ports\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_d289fcce-fc01-4b1d-a711-726689d40ca3.webp?v=1783398270\"\u003e\u003cp\u003eThe FT4232HL USB-to-serial board supports up to 12Mbps communication, provides a 5V\/500mA power interface, and can connect four serial ports simultaneously for data observation.\u003c\/p\u003e\n\u003cimg alt=\"WitMotion CP2102 USB to serial converter board with USB-C port, power\/comm LEDs, and multiple 10-pin TTL connectors\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/6-in-1-USB-to-Serial-Converter-Multifunctional-USB-to_8b96b395-7148-4065-a26b-3f304a517fde.webp?v=1783398277\"\u003e\u003cp\u003eThe CP2102 USB-to-serial module uses a USB-C interface with power and communication indicators plus multi-lead TTL connectors for wiring different serial links.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"WitMotion","offers":[{"title":"USB to CAN","offer_id":53307770634464,"sku":"A.000521-6","price":39.86,"currency_code":"USD","in_stock":true},{"title":"USB to 485","offer_id":53307770601696,"sku":"A.000521-5","price":26.0,"currency_code":"USD","in_stock":true},{"title":"USB to TTL","offer_id":53307770568928,"sku":"A.000521-4","price":26.0,"currency_code":"USD","in_stock":true},{"title":"USB to 232","offer_id":53307770536160,"sku":"A.000521-3","price":26.0,"currency_code":"USD","in_stock":true},{"title":"6 in 1","offer_id":53307770470624,"sku":"A.000521-1","price":28.24,"currency_code":"USD","in_stock":true},{"title":"3 in 1","offer_id":53307770503392,"sku":"A.000521-2","price":25.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/6-in-1-usb-to-serial-converter-multifunctional-usb-to-ttlrs485232-ttl-rs232485-232-to-485-9136170.jpg?v=1783344780"},{"product_id":"witmotion-usb-ttl-serial-cable","title":"WitMotion USB to TTL\/232\/485 UART Converter Cable, CH340 USB 2.0 Serial Adapter for UART Devices, 1m","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003econverter cable\u003c\/strong\u003e is a WitMotion USB to TTL\/232\/485 UART serial adapter designed to connect devices with a TTL-level serial interface to a USB port. It provides access to UART connections including \u003cstrong\u003eTx\u003c\/strong\u003e, \u003cstrong\u003eRx\u003c\/strong\u003e, \u003cstrong\u003eVCC (5V)\u003c\/strong\u003e, and \u003cstrong\u003eGND\u003c\/strong\u003e, and supports baud rates from \u003cstrong\u003e300 bps to 1.5 Mbps\u003c\/strong\u003e.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUSB to TTL\/232\/485 UART serial connectivity (converter cable \/ serial adapter)\u003c\/li\u003e\n\u003cli\u003eExposed UART pins: Transmit (Tx), Receive (Rx), VCC (5V), and GND\u003c\/li\u003e\n\u003cli\u003eUSB specification 2.0\u003c\/li\u003e\n\u003cli\u003eSupports CH340 driver for setup and connections\u003c\/li\u003e\n\u003cli\u003eOperating system compatibility: Windows XP\/7\/8\/10 (32-bit\/64-bit), Linux, Wince, Mac, Vista\u003c\/li\u003e\n\u003cli\u003eBaud rates: 300 bps to 1.5 Mbps\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eConverter cable \/ USB serial adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0 to TTL\/232\/485 UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable UART connections\u003c\/td\u003e\n\u003ctd\u003eTx, Rx, VCC (5V), GND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB driver support\u003c\/td\u003e\n\u003ctd\u003eCH340\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported baud rate\u003c\/td\u003e\n\u003ctd\u003e300 bps to 1.5 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible operating systems\u003c\/td\u003e\n\u003ctd\u003eWindows XP\/7\/8\/10 (32-bit\/64-bit), Linux, Wince, Mac, Vista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable length\u003c\/td\u003e\n\u003ctd\u003e1 meter (3.28 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e12-month warranty\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\u003e1 × WitMotion USB-TTL\/232\/485 serial cable (1 meter)\u003c\/li\u003e\n\u003cli\u003e1 × Welcome guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupport\u003c\/h2\u003e\u003cp\u003eFor product questions, setup help, or after-sales support, contact \u003ca href=\"https:\/\/rcdrone.top\/\"\u003ehttps:\/\/rcdrone.top\/\u003c\/a\u003e or email \u003ca href=\"mailto:support@rcdrone.top\"\u003esupport@rcdrone.top\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eNote: Any third-party tutorial links or third-party contact details referenced in package materials are not included here.\u003c\/p\u003e","brand":"WitMotion","offers":[{"title":"USB-TTL Cable","offer_id":53307772403936,"sku":"A.000057-1","price":26.0,"currency_code":"USD","in_stock":true},{"title":"USB-232 Cable","offer_id":53307772436704,"sku":"A.000057-2","price":26.0,"currency_code":"USD","in_stock":true},{"title":"USB-485 Cable","offer_id":53307772469472,"sku":"A.000057-3","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/converter-cable-usb-to-ttl232485-uart-serial-adapter-1m328ft-8483749.jpg?v=1783345012"},{"product_id":"beitian-pl-2303hx-ta-cable","title":"Beitian PL-2303HX\/TA USB to TTL Level Conversion Cable for Windows XP\/7\/8 - 4\/6\/8 Pin Lock","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eBeitian USB to TTL level Conversion Cable (USB to TTL debugging adapter cable) based on the PL-2303HX\/TA chip, designed for USB-to-TTL serial debugging and conversion tasks on Windows XP\/WIN7\/8 systems. It uses a USB interface on the host side and provides a TTL connector on the device side, with multiple interface configurations available.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMarked compatibility: Windows XP\/WIN7\/8; PL-2303HX\/TA chip.\u003c\/li\u003e\n\u003cli\u003eUSB to TTL debugging adapter cable design for serial conversion\/debugging use.\u003c\/li\u003e\n\u003cli\u003eMulti-specification interface configuration to meet different usage requirements.\u003c\/li\u003e\n\u003cli\u003eLabeled “USB Interface” and “Three-view drawing” product display.\u003c\/li\u003e\n\u003cli\u003eLabeled build\/quality notes: “Meticulous Craftsmanship”, “Focus only on quality”, “3 times Quality Inspection”, “55 dishes Craftsmanship”, “18 times Mold Adjustment”.\u003c\/li\u003e\n\u003cli\u003eLabeled cable-core note: “Brand new experience, thickened all-copper core”.\u003c\/li\u003e\n\u003cli\u003eLabeled performance statements: “High-speed transmission, fast charging, feature integration (meeting multiple scenario needs)”, “40%! REAL ACCELERATION”.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBeitian\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eUSB to TTL level Conversion Cable (USB to TTL debugging adapter cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChip\u003c\/td\u003e\n\u003ctd\u003ePL-2303HX\/TA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported OS (as labeled)\u003c\/td\u003e\n\u003ctd\u003eWindows XP \/ WIN7 \/ 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHost Interface\u003c\/td\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTTL Connector Options (Shopify variants)\u003c\/td\u003e\n\u003ctd\u003e4 PIN TTL-USB WITH LOCK; 6 PIN TTL-USB WITH LOCK; 8 PIN TTL-USB WITH LOCK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional marking\u003c\/td\u003e\n\u003ctd\u003e“6PIN-USB” (shown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUSB-to-TTL serial conversion for debugging and configuration of TTL\/UART devices.\u003c\/li\u003e\n\u003cli\u003eGeneral USB debugging adapter cable use where a lock-style multi-pin TTL plug is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor pre-sales questions about choosing the correct 4\/6\/8-pin lock variant, contact support@rcdrone.top.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Beitian PL-2303HX\/TA USB to TTL level conversion cable for Windows XP\/7\/8 with 6-pin lock TTL plug\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Windows-XPWIN78-PL-2303HXTA-chip-USB-to-TTL.png?v=1783412029\"\u003e\u003cp\u003eBuilt on the PL-2303HX\/TA chipset, this USB-to-TTL adapter cable supports labeled Windows XP\/7\/8 systems for serial debugging and conversion tasks.\u003c\/p\u003e\n\u003cimg alt=\"USB to TTL adapter cable interface options and three-view USB connector drawing for Beitian PL-2303HX\/TA\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Windows-XPWIN78-PL-2303HXTA-chip-USB-to-TTL_c9024e23-4894-41ef-adf7-81ee7f2ba6dc.png?v=1783412035\"\u003e\u003cp\u003eMultiple lock-style TTL connector options help match different UART\/TTL wiring needs, while the molded USB plug keeps the connection secure.\u003c\/p\u003e\n\u003cimg alt=\"Close-up of USB-A plug and multi-color TTL wire harness on Beitian PL-2303HX\/TA USB to TTL cable\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Windows-XPWIN78-PL-2303HXTA-chip-USB-to-TTL_4b6c2e59-24fd-478d-882c-13d6d610c20e.png?v=1783412042\"\u003e\u003cimg alt=\"Thickened all-copper cable core graphic for improved signal transmission in a USB to TTL debugging cable\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Windows-XPWIN78-PL-2303HXTA-chip-USB-to-TTL_4aa23607-ed9c-40b2-96b6-6f7a20474766.png?v=1783412048\"\u003e\n\u003c\/div\u003e","brand":"Beitian","offers":[{"title":"4 PIN TTL-USB WITH LOCK","offer_id":53331085394144,"sku":"USB-TTL-1-1","price":11.0,"currency_code":"USD","in_stock":false},{"title":"6 PIN TTL-USB WITH LOCK","offer_id":53331085426912,"sku":"USB-TTL-1-2","price":11.0,"currency_code":"USD","in_stock":true},{"title":"8 PIN TTL-USB WITH LOCK","offer_id":53331085459680,"sku":"USB-TTL-1-3","price":11.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/6_ceda26f5-3edf-4f4a-900c-3290380cfc26.png?v=1783403261"},{"product_id":"eyou-usb-to-uart-ttl-serial-adapter-board-with-serial-cable-usb-c-interface-for-firmware-programming-and-debugging","title":"EYOU USB to UART TTL Serial Adapter Board with Serial Cable USB-C Interface for Firmware Programming and Debugging","description":"\u003ch2 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eOverview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe EYOU USB to UART adapter board provides a USB connection for communicating with compatible UART TTL devices. Designed for firmware programming, serial communication, and debugging, it features a USB-C interface and comes with a serial cable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts compact size and lightweight design make it convenient for development and maintenance tasks.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUSB to UART conversion with TTL-level serial communication.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUSB-C interface for power and computer connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUSB 2.0 compliant and compatible with USB 3.0 ports.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for firmware programming and debugging on compatible devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompact board measuring 34 × 17 × 6 mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEYOU\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSB to UART Serial Adapter Board\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUSB Connector\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSB-C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUSB Standard\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSB 2.0; compatible with USB 3.0\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUART Signal Standard\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTTL\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Supply Requirement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5V DC via USB, 150mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e34 × 17 × 6 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.92 ± 0.5 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e−20°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Humidity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15–90% RH\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 × USB to UART Adapter Board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 × Serial Cable\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eNotes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eConfirm the target device’s UART pinout and logic voltage before connection. Firmware programming requires compatible software and device support.\u003c\/span\u003e\u003c\/p\u003e","brand":"EYOU","offers":[{"title":"Default Title","offer_id":67731012124896,"sku":"EYOU-USB-UART","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/ScreenShot_2026-10-05_114521_540.png?v=1791172005"}],"url":"https:\/\/rcdrone.top\/collections\/debug-serial-adapters.oembed","provider":"RCDrone","version":"1.0","type":"link"}