[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors.

employing various kinds of sensors to expedite and optimize traffic, and as technology continues to advance, we may see them ...

Canyon has said that it working to equip some of its high-end e-bikes with proximity beacons spottable by cars equipped with sensors ... the U.S. National Highway Traffic Safety Administration ...