It was pretty basic, but it told us the inside and outside temperature ... The wiring diagram below shows how to connect ...

These little devices clamp over an AC wire and detect how much current is passing through it via induction. In his case, he used a YHDC SCT-013-030 sensor ... with his ESP32 energy monitor.

The build consists of an ESP32 hooked up to a Bosch BME680 air quality sensor. It measures pressure, temperature, humidity and gas resistance, and then with a closed source library, uses this to ...