Need help with Flow?
Click the “chat” button below for chat support from the developer who created it, or find similar developers for support.

About the developer

208 Stars 340 Forks 204 Commits 29 Opened issues


Firmware for PX4FLOW board

Services available


Need anything else?

Contributors list

PX4Flow Firmware

Build Status


PX4 FLOW is a smart camera processing optical flow directly on the camera module. It is optimized for processing and outputs images only for development purposes. Its main output is a UART or I2C stream of flow measurements at ~400 Hz.

Dev guide / toolchain installation:

For help, run:

make help

To build, run:

  make archives # this needs to be done only once

To flash via the PX4 bootloader (first run this command, then connect the board):

  make upload-usb

By default the px4flow-v1_default is uploaded; to upload a different version, run:

  make  upload-usb


 is one of the px4flow targets listed by 
make help

We use cookies. If you continue to browse the site, you agree to the use of cookies. For more information on our use of cookies please see our Privacy Policy.