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What are your three automations you are fond of?
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Discussion about general home automation ideas and projects, home automation protocols like Z-wave, Zigbee, Matter, etc, and home automation software and hubs like HomeSeer, Home Assistant, OpenHAB, Homey.
I added a second switch for the basement lights by the bullhead door. Didn't want to run wires for a real three way circuit, so I just put a smart switch attached to nothing by the bullhead and wrote a very basic automation to sync its state and the state of the switch really controlling the lights.