Portable Power Supply
I have a few excellent external batteries, the kind with USB female connectors used to charge phones. Now I needed a high voltage 12V battery, or more specifically something in…
Digital bench power supply
As a follow up to one of my earlier projects, the Variable regulated power supply, initially designed to deliver 0..30Volts at up to 10Amps, I have decided it was time…
Variable regulated power supply
A variable 0..30V power supply for max 20ampers! See how to handle all the power and build your own reliable lab power supply.