Serial Converter CP2102 USB 2.0 to UART TTL 5PIN Connector Module The CP2102 is a highly integrated USB2.0 full-speed function controller with a built-in USB transceiver, and crystal oscillator, EEPROM, and asynchronous serial data bus (UART) to support a full-featured modem signal without the use of any external USB devices. CP2102 USB-UART switching circuit by the driver into the PC’s USB port virtual COM port expansion to achieve the purpose, similar to other works.
