What's inside a digital socket timer (with schematic)
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Li-ion drill charger analysis (with schematic, measurements, waveforms)
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Fixing the switching power supply of a power tool charger
34:34
12V 2A switching power supply - test, teardown, schematic, analysis
16:27
5V 10A Power Supply Repair
10:14
Dangerous Chinese LED Lamp - mains exposed! (test, teardown, schematic)
28:49
Laptop power supply with PFC - teardown and repair (BOOM!)
18:59
What's inside a mechanical socket timer + modification
27:49