affordable bench top power supplies are fantastic for the house hobbyist, featuring large voltage variety as well as present limiting for a low price. What’s not to love? The controls; a lot of have a single-turn pot that is generally extremely fidgety, particularly at low voltage.

The option is to replace the factory pots with great wire-wound 10 turn units in buy to acquire 10x the precision. Of program nothing is ever decrease in, the new pots didn’t in shape the old holes, however that is nothing a few moments with a drill can’t fix. likewise the original knobs no longer fit, however that’s just an chance for a knob upgrade.

The end result is still a power supply with fidgety controls, however instead of holding your breath, tippy tapping knobs to get within 100mV of your target, you can dial ideal in to within 10mV of your target. That makes life much easier, particularly on low voltage jobs that may not have power guideline rather yet.

Join us after the break for a video with all the info.