CP2102 USB 2.0 to TTL Module Serial Converter w/ free cable 1pcs ?1pcs CP2102 USB 2.0 to TTL Module Serial Converter w/ free cable USB to take power, leads to the interface includes 3.3V (&lt;40mA), 5V, GND, TX, RX, the signal pin level is 3.3V, positive logic The main chip CP2102, generate a virtual serial port after installing the driver Onboard status indicator lights transceiver, install the correct drivers status indicator lit, when the communication transceiver indicator flashes, the higher the intensity, the lower the baud rate ?Support from 300bps ~ 1Mbps baud rate between