Matek optical flow & lidar sensor 3901-L0X

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Matek optical flow & lidar sensor 3901-L0X

Availability: In stock

Optical flow and lidar combo sensor for INAV to aid 3D position hold indoors.



  • Optical Flow: PMW3901
  • Lidar: VL53L0X
  • Interface UART
  • Protocol: INAV MSP
  • Working Range: 8cm~200cm
  • Field of view: 42 degree(PMW3901), 27 degree(VL53L0X)
  • Minimum Illumination >60Lux
  • Input voltage: 4.5~5.5V
  • Power Consumption: 40mA
  • Size: 36*12mm
  • Weight: 2g


1x module 3901-L0X


This module works with INAV firmware only (2.2.x or latest)
Setting up Optic Flow in INAV - PDF manual by digitalentity

  • Make sure Optical Flow lens to ground >2cm for opflow initialization while FC starting up.
  • Maximum range of VL53L0X is 2m,   Altitude hold 0~2m @ throttle 0~100% if VL53L0X is enabled.
  • Any unused UART of FC supports it
  • Sonar connection (Trig & Echo) has not been implemented
  • If your flight controller doesn’t have a barometer detected, you won’t be able to select “NAV ALTHOLD” in modes tab
Additional Information

Additional Information

Function No
Item weight (g) 2