power supply - How does such an USB step-up 5V-12V work
![power supply - How does such an USB step-up 5V-12V work](https://i.stack.imgur.com/xe975m.jpg)
I just bought a cheap USB 5V to 12V step up converter: Surprisingly, it works very well. There is few place for electronic components (maybe in the USB connector?), how can we do a 5V to 12V conve
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power supply - How does such an USB step-up 5V-12V work? - Electrical Engineering Stack Exchange
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