After the success and popularity of the first Bi-Polar power supply REV A boards, I decided to tidy it up and improve on it a little. But first, lets take… Read More »Meet Helios! Bi-Polar power supply REV B boards coming soon!
Following on from my previous power supply builds in an effort to get good clean audio from a decent clean power supply, the parameters have not changed that much. I… Read More »Building an improved adjustable Bi-Polar Power Supply! (Updated: 14th Aug 2020)
A while ago I found a circuit on the internet that would be useful for adding LED power indicators to devices to show they are powered up and switched on.… Read More »Simple AC-DC LED rectifier for power on indicator