These components are probably the most valuable parts you can salvage from old gear. They are essential if you are working on ...

STMicroelectronics' TMOS sensors handle presence sensing using a 5- to 20-µm passive IR sensor. This provides more accurate results as well as information about the distance rather than just a basic ...

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

Humans can detect buried objects without touching them, sensing faint pressure ripples in sand. Scientists are calling this ...

Robot vacuums have steadily improved their cleaning performance and object avoidance over the years, but during our testing at CNET Labs, we discovered an odd trade-off.