[Teknynja] was looking for a way to control several discrete AC-powered devices using a microcontroller, and while he did consider the Powerswitch tail 2 from Adafruit, handling 5 devices would get ...

Here is the circuit diagram of a simple steam sensor, wired around a handful of inexpensive components. This steam sensor can be connected to a microcontroller’s I/O port directly. The steam sensor ...

If you enjoy working with microprocessors such as the Arduino or Raspberry Pi and would like to host classes for 10 or more people, the $25-50 boards become expensive quickly. A UK-based electronics ...

FIGnition is an educational DIY computer which you can buy, easily build, write simple programs directly on it and importantly: understand from end to end. All you need is £20 and some simple ...