5 open source projects by paparazzi

Paparazzi UAV hardware

Paparazzi is a free and open-source hardware and software project for unmanned (air) vehicles. This is the main software repository.

PPM Encoder board http://paparazzi.enac.fr/wiki/ATmega_PPM_Encoder_Board

USB DFU bootloader for the stm32 based autopilots

Message and communication library for the Paparazzi UAV system