MicroUSB interface definition
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MicroUSB interface definition
On the Android flagship phone, the USB Type-C interface has gradually replaced the MicroUSB interface. It is undeniable that MicroUSB is still the most abundant interface. It is still widely used in digital products such as mobile phones, charging treasures, speakers, Bluetooth headsets, cameras, and driving recorders.
The normal MicroUSB 2.0 line is 4 pins, and each pin is defined as follows, where Vbus and GND are used for power transmission, and Data+ and Data are used for data transmission. MicroUSB's maximum load current is 2A in the safe range. The MicroUSB cable is specially designed. The extra contacts are used for more current to ensure safety.