How to Wire a Micro USB

Written by daniel alden
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The USB port is a standard port that is used for printers, scanners and other peripherals that connect to a computer. With the emergence of cell phones came a new type of USB port -- the Micro USB port. The Micro USB port contains one more pin than the standard USB port but uses the same wiring. With a little patience, the process of wiring a Micro USB cable can be completed without great difficulty.

Skill level:
Moderately Challenging

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Things you need

  • Electrical tape
  • Soldering iron

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Instructions

  1. 1

    Disconnect the USB cable from its power source. Cut the end of the USB cable and open carefully, revealing 4 wires: red, white, green and black.

  2. 2

    Lay the Micro USB cable down flat with the pins pointing down. From left to right, the pins are in order from 1 to 5. Locate the wires coming out of the back of the Micro USB head.

  3. 3

    Connect the red wire to the red wire (Pin 1), the white wire to white (Pin 2), the green wire to green (Pin 3) and the black wire to black (Pin 5). Pin 4 will be connected to Pin 5 within the Micro USB head.

  4. 4

    Solder the wires together or tie them off using wire caps. Seal each individual wire with electrical tape so that none are exposed. Seal the overall cable using electrical tape.

Tips and warnings

  • Verify that each individual wire (red, white, green and black) is covered separately with electrical tape. If exposed, and the wires touch, the cable will not work and may cause problems with your computer or the connected device.
  • Never attempt to cut or solder wires that are connected to a power source.

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