This is the home of the Parallax ELEV-8 Flight Controller, an open-source multi-rotor controller. It was designed from the start to be an open system, allowing users to learn, experiment, and add their own code.
The firmware for the flight controller written in C/C++, and is in the Firmware-C folder. The companion application for changing the settings and calibrating the flight controller, called GroundStation, is in the GroundStation-Qt folder.
The ELEV-8 Flight Controller was designed for the ELEV-8 v3 quadcopter, available here.
The current version is 1.0.4.
Looking for an older version? View the release archive.