SFX Bench Power Supply (Variable Voltage)

After looking at many guides on how to convert an ATX power supply to a variable voltage power supply, I decided that most of them were too complicated for a novice to follow and included circuit diagrams that I couldn't decipher. My aim here is to provide instructions that anyone can follow.

Please be aware that you are working with ELECTRICITY here and as such you need to be VERY careful. Make sure you unplug everything before attempting to cut and solder wires. Also be aware that the capa