{"product_id":"radiomaster-nexus-xr-flight-controller","title":"RadioMaster NEXUS-XR Helicopter Flight Controller w\/ 2.4GHz ExpressLRS RX (Dual SX1281), 256MB","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eRadioMaster NEXUS-XR is a helicopter flight controller that integrates a 2.4GHz ExpressLRS receiver (dual SX1281) to simplify installation and reduce the need for an external receiver. It is built around an STM32F722 MCU with an ICM42688P 6-axis MEMS motion sensor, includes 256MB onboard flash for blackbox logging, and uses a CNC aluminum case for protection and cooling.\u003c\/p\u003e\u003cp\u003eThe integrated receiver is a RP4TD-M ExpressLRS 2.4GHz mini true diversity receiver with two 65mm 2.4GHz wire antennas, CRSF bus interface, WiFi updates, and a maximum refresh rate of 500Hz \/ F1000Hz.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 2.4GHz ExpressLRS receiver:\u003c\/strong\u003e Dual Semtech SX1281 (Gemini) receiver design; internal receiver listed as RP4TD-M ExpressLRS 2.4GHz mini true diversity receiver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlight controller platform:\u003c\/strong\u003e STM32F722RET6 MCU + ICM42688P 6-axis MEMS; barometer SPL06-001.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in black box logging:\u003c\/strong\u003e 256MB onboard flash memory (W25N02KVZEIR).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServo support:\u003c\/strong\u003e S1, S2, S3, and TAIL servo outputs (up to 12V); supports both 760us and 1520us servos; compatible with tail motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower and voltage flexibility:\u003c\/strong\u003e Voltage Supply (DC) 5 - 16V; EXT voltage input (tele) 3.6-70V; A\/B\/C serial port power output 5V - 1.5A; isolated rails listed as 1.8V, 3.3V (MCU), and 5V (interfaces).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e 5 UARTs (S.BUS[UART1], TELEM[UART2], PORT-A[UART4], PORT-B[UART6], PORT-C[UART3]); RPM sensor input from ESC frequency sensor; AUX x1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase and access:\u003c\/strong\u003e CNC-machined aluminum case; USB-C access supported via included USB-C extender\/Type-C extension cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFailsafe feature:\u003c\/strong\u003e RF Rescue listed as a standard feature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional case colors:\u003c\/strong\u003e Grey \/ Gold \/ Red \/ Blue \/ Purple.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor pre-purchase compatibility checks, wiring questions, or setup support, 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\u003eItem\u003c\/td\u003e\n\u003ctd\u003eNEXUS-XR Control System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eRF 2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU (Flight Controller)\u003c\/td\u003e\n\u003ctd\u003eSTM32F722RET6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotion Sensor\u003c\/td\u003e\n\u003ctd\u003eICM42688P 6-axis MEMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarometer\u003c\/td\u003e\n\u003ctd\u003eSPL06-001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory (Black Box IC)\u003c\/td\u003e\n\u003ctd\u003e256MB (W25N02KVZEIR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART\u003c\/td\u003e\n\u003ctd\u003e5 - S.BUS[UART1], TELEM[UART2], PORT-A[UART4], PORT-B[UART6], PORT-C[UART3]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Outputs\u003c\/td\u003e\n\u003ctd\u003eS1, S2, S3, TAIL servos (up to 12V); supports 760us and 1520us servos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRPM Sensor\u003c\/td\u003e\n\u003ctd\u003e1 - from ESC frequency sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAUX\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEXT Voltage Input (tele)\u003c\/td\u003e\n\u003ctd\u003e3.6-70V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Supply (DC)\u003c\/td\u003e\n\u003ctd\u003e5 - 16V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/B\/C Serial Port Power Output\u003c\/td\u003e\n\u003ctd\u003e5V - 1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Support\u003c\/td\u003e\n\u003ctd\u003eCRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, MSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelemetry\u003c\/td\u003e\n\u003ctd\u003eS.BUS, HoTT, S.Port, MSP, EDGETX, ELRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Receiver\u003c\/td\u003e\n\u003ctd\u003eRP4TD-M ExpressLRS 2.4GHz Mini True Diversity Receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU (Receiver)\u003c\/td\u003e\n\u003ctd\u003eESP32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eISM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRF Chip\u003c\/td\u003e\n\u003ctd\u003eSX1281 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003e65mm 2.4GHz wire antenna x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e2.4GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Refresh Rate\u003c\/td\u003e\n\u003ctd\u003e500Hz \/ F1000Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelemetry RF Power\u003c\/td\u003e\n\u003ctd\u003eMax 2 x 10mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi Updates\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFW Target\u003c\/td\u003e\n\u003ctd\u003eRadioMaster RP4TD-M 2400 RX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Interface\u003c\/td\u003e\n\u003ctd\u003eCRSF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e44.70 x 26.50 x 14.30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e24.1g\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 * NEXUS-XR Control System\u003c\/li\u003e\n\u003cli\u003e3 * JST-GH 4 wire pigtail cables\u003c\/li\u003e\n\u003cli\u003e1 * JST-GH to servo plug (dupont 3 pin connector)\u003c\/li\u003e\n\u003cli\u003e1 * Ultra light-weight and flexible USB-C extender\u003c\/li\u003e\n\u003cli\u003e1 * Type C extension cable\u003c\/li\u003e\n\u003cli\u003e1 * JST-ZH1.5 “DSM” telemetry cable (telemetry only; does not support DSM receivers)\u003c\/li\u003e\n\u003cli\u003e1 * Voltage telemetry wire\u003c\/li\u003e\n\u003cli\u003e3 * 3M double-sided mounting tape\u003c\/li\u003e\n\u003cli\u003e2 * Heat shrink tubing\u003c\/li\u003e\n\u003cli\u003e1 * Inventory card\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelicopter builds requiring an integrated 2.4GHz ExpressLRS receiver (CRSF bus interface)\u003c\/li\u003e\n\u003cli\u003eHelicopter setups needing onboard blackbox logging (256MB) for tuning\u003c\/li\u003e\n\u003cli\u003eInstallations requiring servo outputs up to 12V and support for 760us \/ 1520us servos\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRelated Products\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNEXUS Control System\u003c\/li\u003e\n\u003cli\u003eNEXUS-X Control System\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"RadioMaster NEXUS-XR helicopter flight controller with integrated 2.4GHz ExpressLRS receiver overview\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RadioMaster-NEXUS-XR-Helicopter-Flight-Controller-Integrated.jpg?v=1780743642\"\u003e\u003cp\u003eThe NEXUS-XR combines a helicopter flight controller and 2.4GHz ExpressLRS receiver in one compact CNC aluminum enclosure.\u003c\/p\u003e\n\u003cimg alt=\"Close-up of NEXUS-XR integrated dual SX1281 2.4GHz ExpressLRS (Gemini) receiver board and connectors\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RadioMaster-NEXUS-XR-Helicopter-Flight-Controller-Integrated_7dd8304a-eff4-4811-974f-0073fa691f9c.jpg?v=1780743649\"\u003e\u003cp\u003eDual SX1281 (Gemini) ExpressLRS hardware is integrated to reduce wiring and eliminate the need for an external receiver in many builds.\u003c\/p\u003e\n\u003cimg alt=\"Graphic highlighting STM32F722 MCU and ICM42688P 6-axis MEMS sensor used in the flight controller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RadioMaster-NEXUS-XR-Helicopter-Flight-Controller-Integrated_eee12edc-023e-4c8f-a4f6-4030824b6e99.jpg?v=1780743655\"\u003e\u003cp\u003eAn STM32F722 MCU paired with an ICM42688P 6-axis MEMS sensor provides the processing and motion sensing needed for stable heli control.\u003c\/p\u003e\n\u003cimg alt=\"Built-in black box logging graphic showing upgraded 256MB onboard flash memory for flight data logs\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RadioMaster-NEXUS-XR-Helicopter-Flight-Controller-Integrated_a5489095-abbb-4390-bd72-5b204274387e.jpg?v=1780743661\"\u003e\u003cp\u003e256MB onboard flash supports blackbox logging for tuning and troubleshooting.\u003c\/p\u003e\n\u003cimg alt=\"CNC aluminum case detail with USB-C port and status LEDs on the RadioMaster NEXUS-XR controller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RadioMaster-NEXUS-XR-Helicopter-Flight-Controller-Integrated_2943b443-c536-4ffd-9a32-cf48d8dad578.jpg?v=1780743668\"\u003e\u003cp\u003eA rugged CNC-machined aluminum case helps protect the electronics and improve cooling, with easy USB-C access for setup.\u003c\/p\u003e\n\u003cimg alt=\"Servo output diagram indicating support for 760µs and 1520µs servos up to 12V plus tail motor compatibility\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RadioMaster-NEXUS-XR-Helicopter-Flight-Controller-Integrated_280b48b1-1ad9-4b1d-8b70-bbe35dcf95a3.jpg?v=1780743674\"\u003e\u003cp\u003eServo outputs support both 760µs and 1520µs servos up to 12V, with compatibility for tail motor setups.\u003c\/p\u003e\n\u003cimg alt=\"RadioMaster NEXUS-XR package contents including flight controller, USB-C extender, cables, mounting tape, and heat shrink\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RadioMaster-NEXUS-XR-Helicopter-Flight-Controller-Integrated_9953b4aa-2784-4d63-b010-d93e1aaaa8a5.jpg?v=1780743680\"\u003e\u003cp\u003eSkip the parts hunt: the box includes a USB-C extender, wiring leads, mounting tape, and heat shrink to speed up installation.\u003c\/p\u003e\n\u003cimg alt=\"Dimensions illustration of the NEXUS-XR controller body with measurements 44.7mm x 26.5mm x 14.3mm\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RadioMaster-NEXUS-XR-Helicopter-Flight-Controller-Integrated_267635de-f5f9-436b-838e-336dd14990d8.jpg?v=1780743686\"\u003e\u003cimg alt=\"NEXUS-XR wiring and pinout diagram with servo ports, UART connections (A\/B\/C), EXT-V input, and boot pads\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RadioMaster-NEXUS-XR-Helicopter-Flight-Controller-Integrated_f9823c8c-3e4b-4005-afc5-88aa5b487021.jpg?v=1780743693\"\u003e\u003cp\u003eClear port labeling helps with clean wiring for servos, power, telemetry, and UART accessories.\u003c\/p\u003e\n\u003cimg alt=\"RadioMaster NEXUS-XR on digital scale displaying 24.1g weight with two antennas attached\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/RadioMaster-NEXUS-XR-Helicopter-Flight-Controller-Integrated_3642ff7f-b144-4b9f-81cf-fd61ed9f04dc.jpg?v=1780743698\"\u003e\n\u003c\/div\u003e","brand":"RadioMaster","offers":[{"title":"Grey \/ FCC","offer_id":52970493444320,"sku":"HP0157.0114-GRY-1","price":144.99,"currency_code":"USD","in_stock":true},{"title":"Grey \/ LBT","offer_id":52970493477088,"sku":"HP0157.0114-GRY-2","price":144.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ FCC","offer_id":52970493509856,"sku":"HP0157.0114-GRY-3","price":144.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ LBT","offer_id":52970493542624,"sku":"HP0157.0114-GRY-4","price":144.99,"currency_code":"USD","in_stock":true},{"title":"Red \/ 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