If you've ever tinkered with hardware, chances are you've heard of the Raspberry Pi. It's a tiny, credit-card-sized single-board computer that has launched a million projects, from retro gaming ...

These are some great DIY projects that you can do for cheap.

[Jean-Christophe Rona] found himself with some free time and decided to finish a project he started two years ago, reverse engineering cheap 433MHz home automation equipment. He hopes to control his ...

Objectives Detect motion using a PIR sensor. Adjust detection sensitivity using a potentiometer. Activate a 3-stage buzzer alarm. Flash LEDs sequentially during an alert. Configure shop hours through ...