Things connected to the GPIO header. Adding or removing one takes effect after the mirror restarts.
{% for d in devices %} {% set spec = device_types[d.type] %}Tip: on GPIO 3 (pin 5) the same button also starts the mirror again after it has been shut down. Choose "Shut down the mirror" for a long press and the button works as an on/off switch. (GPIO 3 can't be used together with the I²C light sensor.)
{% endif %}