Convert a Computer ATX Power Supply to a lab supply

I show you how to convert an ATX or any computer power supply into a useful lab power supply that produces 12V positive and Negative, 5v and 3.3 v. There is a quick and easy way to do this. In another video, I'll show you how to combine several supplies to produce 3.3v, 5v, 8.3v etc up to 24v.