Fortunately this bench power supply turns out to be very much like any number of similar 30V, 5A units, with repair videos and schematics available. While [Tahmid] doesn’t detail his ...

It’s no replacement for a proper bench supply, especially since it doesn’t have adjustable current limiting, but it’s a nice improvement upon previous psu hacks.

Arduino code to control the display of measured and setpoint current and voltage to an LCD as part of my bench power supply 4 analog input chanels are used to monitor the 4 signals (measured and ...