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Reverse engineering of shady lithium button cell charger.
bigclivedotcom
Apr 20, 2018
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JUGEE battery teardown full size video.
Testing Poundland's 2.1A dual port USB power supply. (with 2kV)
Q&A while making a custom LED lamp. (storytime)
Dangerous DIY Krampus LED foliage lamp.
Fixing a faulty USB power supply.
Dodgy mains emergency light. Full build and schematic.
Horrific USB power supply fault. (Electrocution risk.)
Charging NiMH cells - smart vs dumb chargers
Extra weird USB powered (less deadly) LED toadstool light build.
Don't Throw Away Old Batteries! Easy Way To Restore 1.5V Battery To Like New
Modifying an old light with LED tape.
Test of the Yihua 502D USB bench power supply. (With fix!)
Auto switching mini UPS DIY, DIY ups for router 7 hours backup
This lamp can hurt you in two ways
Soldering basics and choosing a cheap soldering iron.
IKEA SMÅHAGEL USB charger teardown
Inside a recalled Amazon Basics power bank.
Inside a bug zapping lamp (with schematic).
Safe USB version of the Gillian's Diamonds lamp. (With PCB file.)
TC Projects: Lead-Acid Battery Backup