Tuesday 10 October 2017

How do I create a USB cable with a capacitor in-line?


I have a USB powered device powered from a car lighter socket to USB adapter. When starting the car the power turns off briefly, I need to maintain power to a USB powered device over this time.


I want to make a USB cable (or circuit board) with a built in bypass / power holdup capacitor in order to maintain power.


How can I do this?




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