10+ Pc Power Supply Wiring Diagram Pics. Is it possible to use an atx power supply unit or psu from an old pc as a bench top power supply to power 5v logic, but with some limitations. Then take a run secondary power supply controlled by transistor q12 and on his output will be voltage.

Teaching an old PSU new tricks - The Tech Report from techreport.com

The power supply unit (psu) is one of the pc components that we tend to take for granted. They're affordable, made for supplying electronics and can often be salvaged from old pcs. I have also added practical circuit for ups in this article.

Designing a workbench power supply is indispensable.

A single power supply can provide as many as voltages as are required by using a voltage (or potential) divider, as illustrated in the figure. Lower standby power and leakage. Lower standby power and leakage current. It could be a specialized monitor ic designed specifically for computer power supplies.