This DC signal is then sent through a BD245 ... We’ve seen a few computer power supplies converted into a bench power source, but we’re impressed with [Guido Socher]’s build log.

In the video [Steven] tries two power supplies. His homemade DC bench power supply at 8V and 2.5A and also a laptop power supply rated at 20V 1.8A DC. A couple of common 2N3055 power ...

Here’s a quick, high-level comparison of bench DC power supply models Here’s a quick, high-level comparison of bench DC power supply models.

Two types of bench dc power supplies are commonly used today—linear and switch-mode, or “switching.” Linear power supplies operate by rectifying ac line power to create dc, and then ...

A 5A buck-boost module recently caught my eye, and I’ve decided to build a bench supply using two of them ... most are not even specified for linear DC operation! For ones that are, I calculated their ...

“Supplino is a Quick & Dirty PSU (Power Supply Unit) made with some widely available breakout boards, an Arduino Nano (or an Arduino Nano Every) and a graphical LCD. Power output is given by a ...