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by balloob 391 days ago
Maybe not exactly what you are looking for, but check out the Shelly BLU Button1. It's a BLE button with a long battery life.

It sends out BLE packets when pressed, which can be picked up by Home Assistant via a Bluetooth adapter or using a Bluetooth Proxy. You can make the latter with any ESP32 and https://esphome.io/projects/?type=bluetooth
2 comments
hardwaresofton 391 days ago
BTW, just bought a bunch of Shelly stuff. Looks like that project might happen sooner than I thought! The Shelly 1 also looked like a good option :)

Thanks again for the rec.

link
hardwaresofton 391 days ago
Thanks for the recommendation! This definitely makes it easier. IIRC BLE power mode + wake on BLE + wifi would probably work for easy use!

Sounds like a far off weekend project

link