pi_switch_off_button

Shutting down the Pi with a button

It is important to know you can loose data integrity if you just unplug your for shutdown.+ So this guide is meant to add a button that triggers software shutdown.

References

how-to-add-a-power-button-to-your-raspberry-pi
AndrewH at instructables
www.raspberrypi-spy.co.uk on systemd and GPIO usage