The OnOff SHIM by Pimoroni is a convenient power switch for the Raspberry Pi. The official guide suggests to install a daemon to initiate a clean shutdown once the button is pressed. However, there is much simpler solution using device tree overlays avoiding additional 3rd party tools.

The Raspberry Pi features a built-in hardware watchdog timer that automatically resets the system if it becomes unresponsive or freezes. This can be handy when used as an audio player like Volumio - especially if the hardware is not easy to access.