In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials and step-by-step build ...

Raspberry Pi Pico microcontrollers come with a variety of different features for a few bucks, and a few interesting ...

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There's a lot you can do to make your phone last for much longer and it'll save you a ton of money. Andrew Lanxon Editor at Large; Lead Photographer, Europe When he's not testing the latest phones or ...