CH340 USB Serial Port Android Test Short Description:
Android CH340 USB Serial Demo
CH340 USB Serial Port Android Test Long Description:
This is an android program to read/write CH340 chip with USB OTG. This program can help you test your CH340 chip by your android phone. It allow you to set baud rate, receive data, send data. The received data can be displayed as ASCII or HEX. Source code for sale.