It’s been a while since the last top 10 article so I thought it would be nice to make another one for the last 5 months. What I’ve discovered is the fact that people are really enjoying the Arduino ...

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...

Wireless sensor networks are nothing new to Hackaday, but [Felix]’s wireless PIR sensor node is something else entirely. Rarely do we see something so well put together that’s also so well designed ...