I've bought a little car power supply for my RPi - it wires in to a permanent 12v source, and an ignition 12v source and sends a signal to the Pi when the ignition is cut, so it shuts down gracefully.

Roy Becker, senior broadcast engineer at the Bible Broadcasting Network, offers a tip for engineers wiring high-density terminal blocks such as those used by Radio Design Labs. Crimped terminal pins ...

Most marine-engine harnesses and many electrical accessory wires now come equipped with plug-and-play connectors that help make short work of rigging jobs. These connectors easily snap together or ...