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. These ATX supplies are actually a ...

A power supply for electronic devices. Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages ...

like those used in any modern computer is that they’re more efficient at higher AC input voltages. Power supply efficiency at different input voltages. (Credit: HP) This can be seen clearly when ...