Modifying a bench power supply

This post is about a small modificaton of this linear bench power supply I bought from some months ago. For the most part I've been satisfied with it, the only complaint I had was that the refresh rate of the voltage and current displays was a bit slow. It wasn't that bad and I figured I'd just get used to it, but a month ago I saw an interesting video by mikeselectricstuff on youtube. He had bought a bench power supply and he had the same problem as me, the refresh rate of the displays was too slow. But unlike me, he didn't just whine about it, he decided to do something about it.

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