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Matek 3901-L0X Optical Flow & Lidar Sensor

Original price $29.99 - Original price $29.99
Original price
$29.99 - $29.99
Current price $29.99
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This sensor works basically the same way as an optical mouse, helping your iNAV quad to maintain position without GPS! This module also integrates a laser time-of-flight range sensor. Check out Paweł Spychalski's video below.

For a comprehensive guide check out Setting up Optic Flow in INAV by digitalentity

Check out all our Matek products!


  • 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,  2g


  • Be 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
  • Setting up Optic Flow in INAV   PDF by digitalentity


    • 1x Matek 3901 L0X Optical Flow & Lidar Sensor