Home

Home / Documentation / Repository overview / crazyflie-firmware / master
Version: [ , 2025.09 , 2025.02 ]

This project contains the documentation of the source code for the firmware used in the Crazyflie range of platforms.

The Crazyflie 2.x family

This firmware supports the Crazyflie 2.x range of devices, currently including:

  • The Crazyflie 2.0 (cf2 platform)
  • The Crazyflie 2.1 (cf2 platform)
  • The Crazyflie 2.1 Brushless (cf21bl platform)
  • The Crazyflie Bolt (bolt platform)
  • The Crazyflie Bolt 1.1 (bolt platform)
  • The Roadrunner (tag platform)
  • The Flapper Nimble+ (flapper platform)

Crazyflie 1.0

The Crazyflie 1.0 is no longer supported, the 2017.06 release was the last release with Crazyflie 1.0 support. If you want to play with the Crazyflie 1.0 and modify the code, please clone this repo and branch off from the 2017.06 tag.