UART LED display modules for human machine interface, serial port command, development platform for industrial control applications. Design for full duplex UART interface, support RS-232/RS-485(maximum Baud rate 115, 200bps), UART(maximum Baud rate is 921,600bps). Internal software is designed for easy operation and complete PC editing. It is convenient to save time and money for engineer or developer to edit image and UI, etc.