What is the role of the four lines of mobile phone data lines?
2019-08-08 17:10
U disk is a USB interface
The two sides are long, the power line, the short one is the data line
(USB just can supply 5V voltage, USB is really a good thing). Bring the red and black lines out of the mouth.
The two sides are long, the power line, the short one is the data line
Red line: positive power supply (marked on the wiring: +5V or VCC)
White line: Negative voltage data line (identified as: Data- or USB Port -)
Green line: positive voltage data line (identified as: Data+ or USB Port +)
Black line: Ground (identified as: GROUND)