The University Computer Club at UWA also has a door sensor! https://door-status.ucc.asn.au/ucc https://door-status.ucc.asn.au/ucc Runs off a Raspberry Pi with

The University Computer Club at UWA also has a door sensor! https://door-status.ucc.asn.au/ucc https://door-status.ucc.asn.au/ucc Runs off a Raspberry Pi with a bodged-up version of https://github.com/ide/pico-door-sensor/tree/main https://github.com/ide/pico-door-sensor/tree/main This is at least the third iteration; some previous iterations are documented here: https://www.ucc.asn.au/services/door.ucc https://www.ucc.asn.au/services/door.ucc