1 Review: 3A 40V Digital Buck DC/DC Converter - It's more like a Bench PSU!
Mentioned in passing as a look at a cheap adjustable converter module, which one commenter adopted as a makeshift bench supply.
Topic
3 videos. Ranked by independent recommendations, not by views.
Mentioned in passing as a look at a cheap adjustable converter module, which one commenter adopted as a makeshift bench supply.
A build guide for a home-made LED light panel, followed mostly for the part showing how to fit an external potentiometer and resistor to a converter for dimming.
Mike's look inside DC-DC converters is cited for its unusual inductor construction, which viewers find a genuinely interesting manufacturing technique.