CH341评估板，演示USB转串口、转打印口、转并口及同步串口等-CH341 Evaluation and demonstration USB to serial, LPT switch, switch synchronous serial port and parallel port, etc.

CH3xx系列芯片和开发套件开发资料，包括数据手册，PCB，原理图，上位机源代码，下位机源代码等。-CH3xx series of chips and development kits to develop information, including data sheet, PCB, schematics, source code for PC, the next-bit machines, such as source code.