Getting an old traffic light and wiring it up to do its thing inside your house isn’t exactly a new trick; it’s so common that it wouldn’t normally pass muster for these hallowed pages. Even using one ...

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 ...

Editor’s note: Last fall, EEWeb announced its inaugural design contest, sponsored by Arduino and Altium, to develop an imaginative and innovative design project of a motor control system with the ...