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ok, so if i want to use usb with powerbank, then i need to solder the cable to the otherside, where it's write 5v? and wich th epositive and the ground? same like 6-16v? soírry for my unknowledge...![]()
This is the way I connected it for the test purposes, I hope this will help to clarify it, finally I have removed the whole transistor board as it is useless if you use 5v power
