基于51单片机的GPS开发，GPS接收到数据，返回给单片机处理，并通过液晶显示出来。-Development based on 51 single-chip GPS, GPS data is received, processing returns to the microcontroller and the LCD display.

标准的51单片机串口通信程序，功能为向串口返回接收到的数据。-Standard 51 microcontroller serial communication program, the data will be transmitted back through the serial port.