CP2102 USB to UART Converter DTR 3.3V RXI TX0 GND 5V Description: The USB converter to Serial CP2102 is useful for communicating between a 3.3 V or 5V micro controller and your computer. The USB converter to Serial CP2102 is useful for communicating between a 3.3 V or 5V micro controller and your computer. Specifications: Integrated circuit CP2102; Logic levels: 3.3 V and 5 V; Baud rates supported:5 V output (maximum 500 mA); 300, 600, 1200, 1800, 2400, 4200, 4200, 4200, 4200, 4200, 4200, 4000, 4000, 460800, 500000, 576000, 921600; 5 V output (maximum 500 mA); 3.3 V output; Integrated LEDs indicating data reception / sending Instructions for use 1. Install the CP210x driver. Before using the product, you need to install the CP2102 driver on your computer. 2. Make the hardware connections. Before making the hardware connections, turn off the expansion card and disconnect the converter from the PC. Also disconnect all sensors attached to the development board. The converter is capable of feeding the development board to be programmed. (max 500 mA). Connect the 3.3V pin to the development board power supply pin if it is running at 3.3V. Otherwise, connect the 5V pin to the power pin