本文以MCS-51单片机为开发平台，设计一个基于单片机的数据采集系统。系统可以采集16路模拟量，精度为12位，16路开关量和2路脉冲量，并将采集到的数据每隔一分钟通过串口发送到PC机。-In this paper, MCS-51 microcontroller as the platform to design a microcontroller based data acquisition system. System can capture analog 16, a precision 12

KEIL编写 串口的接收与发送程序 51单片机-KEIL to write a serial program 51 microcontroller

51单片机串口通信（1602液晶显示上位机发送的数据）-51 microcontroller serial communication (1602 LCD PC sends data)

51串口发送 初学者的大爱 简单易懂！！！立定-good good