MATEK OPTICAL FLOW & LIDAR SENSOR 3901-L0X INAV Flow Sensor Module for RC FPV Racing Freestyle F4 F7 Flight Controller Drone

Model Number : MATEK 3901-L0X
Size : 36*12mm
Material : Composite Material
Origin : Mainland China
Use : Vehicles & Remote Control Toys
Quantity : 1 pcs
Wheelbase : Bottom Plate
RC Parts & Accs : Sensor Module
For Vehicle Type : Airplanes
Tool Supplies : Assembly Category
Technical parameters : Value 2
Four-wheel Drive Attributes : Assemblage
Upgrade Parts/Accessories : Sensor Module
Remote Control Peripherals/Devices : Remote Controller
Recommend Age : 14+y
Is Electric : No battery
Hign-concerned Chemical : None


Setting up Optic Flow in INAV

PDF manual by digitalentity

Specifications
Optical Flow: PMW3901

Lidar: ST VL53L0X (max. range 2 m)

Interface UART

Protocol: 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 (F051 version), 2g

Size: 36*13mm (L051 version) 2g

Packing
Module 3901-L0X, 1pc

Tips
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 doesnt have a barometer detected, you wont be able to select NAV ALTHOLD in modes tab.