We all have a shoebox or drawer filled with miscellaneous old tech and junk that you haven't looked through since 2018. Whether it's Arduino Nanos, dusty ESP8266s, old PIR sensors, or just a bunch of ...

The ESP32 keeps finding new jobs in my house.

Once upon a time, there was a bit of a fad for fingerprint authentication in laptops and desktop computers. It has long since ...

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...

Once motion is detected, the sensor sends a HIGH signal to the microcontroller, which can be used to trigger a response such as turning on an LED or activating an alarm. In this experiment, the PIR ...

Customer stories Events & webinars Ebooks & reports Business insights GitHub Skills ...