Matek 3901-L0X Optical Flow & Lidar Sensor

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

 

 

 

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Specifications

• 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

Tips

• 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

Includes

• 1x Matek 3901 L0X Optical Flow & Lidar Sensor