Uploaded September 2024 | Updated September 2026, 2 weeks ago

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Testing two donated 12V 1A switching power supplies for a wifi router, what's inside, how do they work. Examining the quality and safety, thermal imaging, output voltage ripple, waveforms, reverse engineered schematic.

The Fnirsi DPOX180H oscilloscope I'm using:
fnirsi.com/products/dpox180h?sca_ref=9216013.ntkg5GeG0R&utm_source=af&utm_medium=ref&utm_campaign=9216013

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