What is GaN? Everything you need to know about Gallium Nitride chargers.
19:21
This should be illegal… Battery Repair Blocking
30:30
3-36V 60W Adjustable Power Supply (with schematic)
20:46
Finally! A Battery That’s Better Than Energizer and Duracell!
27:14
Heat for £0.01 Per Day! - New Personal Heating Tech Will Save You Thousands
30:31
US Government to BanTP-Link Devices - Live Hacking of a Chinese WiFi Router
51:04
The 12 Most Common Electronics Faults : How To Diagnose And Fix Them
33:30
HP 3438A Digital Multimeter Repair, Calibration and Principle of Operation
32:47