• High level of integration CJMCU-CP2102, built-in USB 2.0 full function,controller, USB transceiver,crystal oscillator, EEPROM and asynchronization serial data bus(UART).,Support modulator-demodulator full function signal,not need any other external USB devices.,CJMCU-CP2102's operating principle the same as USB-UART via circuit.,PC USB port simulate COM port to expand by drive program.,Realize