#664 220VAC 5V USB Power Adapter Teardown
10:38
#665 0 - 30MHz AD9850 DDS Arduino Sine Generator (part 1)
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Finally a safe USB charger?
1:12:39
Linear DC Power Supplies - Designing & Building Custom DC Power Supplies
10:40
How to Put USB-C Power on ANYTHING (almost)
22:38
Non-delicate teardown and schematic of 2A LED power supply.
14:50
LED Transformer teardown and repair - is it fixed?
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Power For Your Electronics Projects - Voltage Regulators and Converters
8:00