When I started learning DIY electronics, using Arduino was the obvious choice. This palm-size, single-board microcontroller, which can be easily swapped between projects, is designed for programming ...

One of the essential parts of any home security system is a door detector that lets you know when a door opens. Over on Adafruit, they show you how to build your own that hooks into IFTTT so you can ...

[Dzl] and his rather serious looking son are metal detector enthusiasts. But when they couldn’t find their store-bought metal detector earlier this summer they just went ahead and built their own.