This sensor works the same way as an optical mouse, helping your iNAV quad maintain position without GPS! This module also integrates a laser time-of-flight range sensor. 

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

• Make sure Optical Flow lens to ground >2cm for opflow initialization while FC starting up.
• The 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

(Click Here For Setting Up Instructions)

Includes

• 1 x Matek Optical Flow & Lidar Sensor - 3901-L0X