A two-part article that first presents detailed technical analysis of an off-the-shelf variable power supply kit manufactured by Weikedz (Part 1), and then describes how to modify the kit for battery operation in portable applications (Part 2). This is probably the most technically rigorous article on netzener.net to date but also one of the most rewarding for those who really want to understand how power supplies work, and how to design your own.
Click >>> HERE <<< for Part 1.
Click >>> HERE <<< for Part 2.