Get latest the code from git clone https://lafa@github.com/hagleitn/QuadCopter.git Method 1 (IDE): Goto the arduino ADK folder and create link the libraries folder cd $ADK_DIR/libraries/ ln -s $GIT_CLONE_DIR/QuadCopter/libraries/QuadCopter QuadCopter Start Arduino IDE, and you can start using the library. Method 2 (command line): You'll need SCons installed for this cd $GIT_CLONE_DIR/FlightComputer scons scons upload For more information check https://github.com/hagleitn/QuadCopter/