Pump Wiring: Connect the 220V AC pump to the relay’s Normally Open (NO) and Common (COM) terminals. Make sure the live (L) ...

Many ESP32-based devices can perform multiple functions; each of these devices excels particularly at one task. And they cost ...

Discover how the Arduino Opta Pro can be leveraged beyond its industrial roots for smart home and DIY automation. In my ...

An earlier design introduced a touch solid-state AC switch. The new version advances this concept with a sophisticated human ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...