I have plenty of ESP32s deployed around my house, acting as command centers for various lights, sensors, and automations. And in my quest to create the ultimate smart home, I've finally tamed temperature.
With a tiny ESP32, a temperature sensor, a screen, and a few buttons, you can create a climate controller for your home that'll maintain whatever temperature you want across rooms, regardless of whether you've got a smart air conditioner or a dumb one. All it takes is a little time.
What needed to be monitored
Two ACs, two printers, one button to rule them all
…