HackerTube / Video
Teardown of an IKEA Koppla USB power supply.
bigclivedotcom
Big Clive takes apart an IKEA Koppla USB power supply to assess its safety, looking at isolation and transformer construction.
Cited as a teardown of a well-made, safe USB charger, and as evidence for why quality chargers matter.
3 Hacker News mentions · 2017–2021