这是USB转串口的驱动程序，对没有串口的电脑用处很大。-This is a USB-serial driver, there is no serial port on the computer use much.

STC89C51RD单片机普通模拟IO串口-Generic software uart written in C, requiring a timer set to 3 times the baud rate, and two software read/write pins for the receive and transmit functions

JY901读取串口数据程序，用c#编写 可以读取模块的 加速度、角速度、磁力计等。-JY901 c# code