Recommended · for some experience

Inside some dodgy Chinese USB power supplies from Greece.

Name: Inside some dodgy Chinese USB power supplies from Greece.
Channel: bigclivedotcom
Description: Big Clive examines some USB power supplies and finds poor isolation, used to show how a mains charger can fall short on safety.

bigclivedotcom

Why people recommend it

Big Clive examines some USB power supplies and finds poor isolation, used to show how a mains charger can fall short on safety.

Watch for: the optocoupler discussion is around eight minutes in

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Why people recommend it

If you liked this

EEVblog #388 - Fake Apple USB Charger Teardown

Crappy PSU analysis

Disassembly and schematic of an arc lighter.

Shorting out a fully charged cheap lithium jump starter. (It didn't end well.)

Teardown of an eBay 25A Solid State Relay. (SSR)

Using LEDs as mains indicator lights on 120V and 230V (live demos)