Since I had a spare ESP32 lying around, I tried building a smart dashboard that pulls metrics from the other smart devices in my home lab and outputs them to a screen. Now that I’ve completed ...

However, with a custom Home Assistant integration and ESPHome, we can turn a few ESP32s into a way to track the presence of devices, like Apple's "Find My" network, but built for your home, instead.

Using a combination ESP32 and ATtiny to both control the heater and report its temperature, all that’s left is to program Home Assistant to get the new system to interact with the solar system ...