USB Power Cord,Understand the Common Connection Methods.

USB power cord is one of the most commonly used electronic connectors at present. Due to the different sizes of each device, many kinds of USB connectors are derived. However, the connection interface is fixed. Today, I will share several common connection methods of USB connectors, hoping to help importers.

Schematic drawing of USB interface

USB power cord consists of four ports: power positive (V+), power negative (V-), data positive (D+) and data negative (D-). Among them, the power supply is 5V.Some connectors … Read the rest