[C] just recently put together a RepRap. Not wanting to spend the money on a dedicated power supply, he looked around for a cheaper solution and found one in an off-the-shelf ATX computer power supply ...

This inverter circuit can provide up to 800mA of 12V power from a 6V supply. For example, you could run 12V car accessories in a 6V car. The circuit is simple, about 75% efficient and quite useful. By ...

Most computer builders in the world think I'm nuts for endorsing the use of 330 watt power supplies for a high-end performance computer. Conventional "wisdom" says that anything under 500 watts is ...

Sure, it's what turns your PC on and keeps it running through all those spreadsheet marathons and fantasy fragfests. But beyond startup and shutdown time, your desktop's power supply unit (PSU) ...