ThoneFlow-3901U UART Serial Version PMW3901 Optical Flow Sensor

In stock

ThoneFlow-3901U is a UART version PMW3901 optical flow module, make it easier connect to your control board. The data format is also compatible with discontinued product CX-OF, already supported by ArduCopter.

This module replace the lens on original PMW3901, prevent dust from entering into the sensor or looseness in high vibration environment.

It also fully optimize the performance of PMW3901, no huge spikes in data output anymore, also gives better tracking performance on different surfaces.


Flow Frame:


Test Chart:

Data Format:

byte0: header (0xFE)

byte1: number of data bytes (0x04)

byte2: x-motion high byte

byte3: x-motion low byte

byte4: y-motion high byte

byte5: y-motion low byte

byte6: checksum

byte7: surface quality

byte8: footer (0xAA)

Technical details:

Dimension: 14x11x5mm

Weight: 0.6g

Interface: UART

Baud rate: 19200

FPS: 66hz

Power: 3.3~3.6V

Current: 10mA


Part List:

1 x ThoneFlow-3901Usensor


HSCODE 9031900090
USHSCODE 90319091
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account

Product Faqs

Sort by   
    There are no faqs for this item.