USB To Uart 5V/3V3 is a USB to serial adapter,Which is base on CH340,CH340 is a USB bus convert chip and it can realize USB convert to serial interface, USB convert to IrDA infrared or USB convert to printer interface. this module is compatible with 5V and 3v3.and it can used for upload code or communicating with MCUs.
Full speed USB device interface, conforms to USB Specification Version 2.0
3.3V and 5V compatible I/Os.
Supports baud rate varies from 2400bps to 115200bps.
Hardware full duplex serial interface, set transceiver buffer