For a full-fledged, bells-and-whistles driving simulator a number of unique human interface devices are needed, from pedals ...

Magnets keep strings suspended without anchor points, and pushing a magnet piece bends notes, so you get expressive sounds with simple moves.

If you wanted to build a robot that chased light, you might start thinking about Raspberry Pis, cameras, and off-the-shelf computer vision systems. However, it needn’t be so complex. [Ed] of ...

A converter that tapers off a 4 mA input to zero, and adds the input and the tapered off 4mA signal to create a 2-wire 4-20 mA output loop.