This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

In a curious historical twist, the “Twelve days of Christmas” are actually the days of revelry that followed the 25th. The ...

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...