Enable Eyes access to SPI protocol: sudo groupadd spi sudo adduser root spi sudo adduser pi spi sudo nano /etc/udev/rules.d/99-change-dev-group.rules SUBSYSTEM=="block", ACTION=="add", RUN+="/bin/chgrp spi /dev/spidev0.0" SUBSYSTEM=="block", ACTION=="add", RUN+="/bin/chmod 660 /dev/spidev0.0" sudo udevadm control --reload-rules sudo reboot Autostart Daemon sudo cp ./bin /etc/systemd/system/robot.service sudo systemctl daemon-reload sudo systemctl enable robot.service sudo systemctl status robot.service sudo systemctl restart robot.service Git Performance on board Enable git parallel index preload: git config --global core.preloadindex true Minimize the number of files in .git folder: git config --global gc.auto 256 Run git garbage collector: git gc Remove untracked files git clean -xf. Use git clean -xfn for a dry-run to check that everything is ok.