{"product_id":"matek-systems-optical-flow-lidar-sensor-3901-l0x","title":"Matek Systems- Optical Flow \u0026 LiDAR Sensor 3901-L0X","description":"\u003cp\u003eTHIS MODULE WORKS WITH INAV FIRMWARE(SINCE 2.3) AND LATEST ARDUPILOT FIRMWARE(SINCE 4.1)\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOptical Flow: PMW3901\u003c\/li\u003e\n\u003cli\u003eLidar: VL53L0X\u003c\/li\u003e\n\u003cli\u003eInterface UART\u003c\/li\u003e\n\u003cli\u003eProtocol: MSP\u003c\/li\u003e\n\u003cli\u003eWorking Range: 8cm~200cm\u003c\/li\u003e\n\u003cli\u003eField of view: 42 degree(PMW3901), 27 degree(VL53L0X)\u003c\/li\u003e\n\u003cli\u003eMinimum Illumination \u0026gt;60Lux\u003c\/li\u003e\n\u003cli\u003eInput voltage: 4.5~5.5V\u003c\/li\u003e\n\u003cli\u003ePower Consumption: 40mA\u003c\/li\u003e\n\u003cli\u003eSize: 36*12mm,  2g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePacking\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eModule 3901-L0X,  1pc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMake sure Optical Flow lens to ground \u0026gt;2cm for opflow initialization while FC starting up.\u003c\/li\u003e\n\u003cli\u003eMaximum range of VL53L0X is 2m,   Altitude hold 0~2m @ throttle 0~100% if VL53L0X is enabled.\u003c\/li\u003e\n\u003cli\u003eAny unused UART of FC supports it\u003c\/li\u003e\n\u003cli\u003eSonar connection (Trig \u0026amp; Echo) has not been implemented\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIf your flight controller doesn’t have a barometer detected, you won’t be able to select “NAV ALTHOLD” in modes tab.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eArdupilot setup (4.1 and above)\u003c\/p\u003e\n\u003cp data-topic-id=\"57944\"\u003eArduPilot latest firmware has supported MSP protocol since Sep.02\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSERIAL_PROTOCOL = 32, “n” is serial number of UART in ArduPilot hwdef, not the FC UART number.  On some flight controllers, serial1 is not equal to UART1, Pls checkout FC manual to get corresponding serial number for each UART.\u003c\/li\u003e\n\u003cli\u003eSERIAL_BAUD = 115\u003c\/li\u003e\n\u003cli\u003eRNGFND_TYPE = 32\u003c\/li\u003e\n\u003cli\u003eFLOW_TYPE = 7\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommunication between 3901-L0X module and Flight controller via UART MSP V2 protocol supported by INAV and ArduPilot.\u003c\/p\u003e\n\u003cp\u003ePls refer INAV and ArduPilot Github\u003c\/p\u003e\n\u003cdiv\u003e\u003ca href=\"https:\/\/github.com\/iNavFlight\/inav\/wiki\/MSP-V2\"\u003ehttps:\/\/github.com\/iNavFlight\/inav\/wiki\/MSP-V2\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ca href=\"https:\/\/github.com\/ArduPilot\/ardupilot\/blob\/master\/libraries\/AP_MSP\/msp.cpp\"\u003ehttps:\/\/github.com\/ArduPilot\/ardupilot\/blob\/master\/libraries\/AP_MSP\/msp.cpp\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e","brand":"Matek Systems","offers":[{"title":"Default Title","offer_id":63499808932189,"sku":"MTS-02-05-3901-L0X","price":29.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/9127\/0237\/files\/1609254794-11724600_9071ba9f-dc90-404d-aa6d-1fe700f608ea.jpg?v=1772028106","url":"https:\/\/www.3dxr.co.uk\/products\/matek-systems-optical-flow-lidar-sensor-3901-l0x","provider":"3DXR","version":"1.0","type":"link"}