[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 ...