USB Charger Schematic diagram

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If you a bit confuse about how to pin out the USB connector, where is pin 1 and not 4, here is the picture :



4 pin USB A / USB B / mini-USB jack connector at the controller, aka your Computer USB port.



4 pin USB A or USB B plug connector at the peripherals, USB Device, aka your Mouse, your keyboard, your USB Flash Memory.



USB pin assignment as follows :

Pin 1 -- VCC (5 VDC)
Pin 2 -- D- (Data -) typical cable color is White
Pin 3 -- D+ (Data +) typical cable color is Green
Pin 4 -- GND (Ground)


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