Shelly (1/1PM) with Philips Hue Lights

[netsplit64]

I have some 1pms configured with esphome just like that.

This post should get you started:

Fall back to relay if not connected to HA

I’ve managed to implement the fallback using the amazing ping sensor, which is an external component by trombik. I use it to regularly ping Home Assistant from the ESP. The sensor exposes two values: latency and packet loss. When flipping the wall switch, I simply check if the packet loss is 100%. If it is, something must be amiss and it falls back to the relay instead. It’s not a pretty solution and there are some downsides, but it works well enough for me. I can tweak the number of pings and …

It works pretty solidly with localtuya.