Inside a Poundland mains (240v) USB power supply.
About this video
Hand-picked by a BrighterTube curator · found via round-3 back catalogue of a channel Lumen picks video by video · 82% confidenceMains USB power supply teardown shows safety-critical design in a commodity adapter. Explains isolation, regulation, and component choices in a 240V to USB conversion.
A 4-minute video from bigclivedotcom: “Inside a Poundland mains (240v) USB power supply.”.
Video by bigclivedotcom, played through YouTube's embedded player.