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USB Connector Overview
Apr 04, 2018

USB is "Universal Serial Bus" and the Chinese name is Universal Serial Bus. This is a new type of interface technology that has been gradually applied in the PC field in recent years. The USB interface has the characteristics of faster transmission speed, hot plugging and connection of multiple devices. It has been widely used in various types of external devices. Currently there are three kinds of USB interfaces: USB1.1 and USB2.0, and usb3.0 that has appeared in recent years. In theory, the USB1.1 transmission speed can reach 12Mbps/second, while USB2.0 can achieve speed 480Mbps/second, and can be backward compatible with USB1.1.

With the rapid development of computer hardware and peripheral devices, keyboards, mice, modems, printers, and scanners have long been known. Digital cameras and MP3 players have come one after another. How do so many devices connect to personal computers? USB is based on this purpose.