Using esphome with the WiFi Relay / Thermostat

I have had a lot of success using esphome.io for various sensors around my house, I was wondering if anyone had tried to use it with the OEM relay?

Also I was wondering if there was any reason why I shouldn’t try this, or if anyone expects me to be unable to flash the stock firmware back on the device afterwards?

Thanks

Just wanted to say that I was able to flash esphome to the device (it was pretty easy to figure out the pins), and am now very happy using esphome on it.

I have setup the esphome config so that it uses the temperature from home assistant unless hass disconnects from the device, you can see my config here: esphome configuration for my Open Energy Monitor thermostat · GitHub

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That is really useful to share - @TrystanLea

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Thank you for sharing @Cadair that’s good to hear.