A benchtop power supply is a key thing to have for any aspiring electronics hacker. While you can always buy one, plenty of us have old computer PSUs lying around that could do a fine job themselves. ...

Let’s be real, yanking the ATX power supply out of an old desktop computer and turning it into something you can use on the workbench isn’t exactly an advanced project. In fact, you could probably ...

Fig. 1: The dead Optimod supply. When the switching power supply used in Gary Morgan’s Optimod 8200 (Fig. 1) died, the OEM replacement would have cost around $600. He sought to find another solution.