Laboratory power supply

Front panel for a modified computer power supply (ATX) Fits into the Z-17 housing.

This project contains strong +12V and +5V power line with adjust voltage on each output.
The PSU contains a two converter (step-up and step-down) connected to the main line (12V).

Features: Total power 400W (depending on the power supply used); voltmeter and ampmeter; independent output lines; big 120mm fan on top, used from ATX supply case.

From left to right:
+ 0-12V output with voltage and current meter connected to DC and probe terminal;
+ 12-35V output with voltage and current meter connected to DC and probe terminal;
+ two multi-turn potentiometer for the converters;
+ two double switch to turn ON and OFF each output;
+ normal (not adjust) +12V and +5V.