基于51单片机使用P0口流水点亮8位LED的c语言程序-Light 8 LED c language program based on 51 MCU P0 port water

通过SIM300的通信，发短信来点亮LED灯。程序很完整，测试过没问题。-Through the SIM300 communication, send text messages to light up the LED lights. The program is very complete, tested no problem.

实现四人抢答功能，数码管可显示抢答时间和答题时间，用按键实现抢答功能，LED灯和蜂鸣器用以提示。-Achieve four answer function, the digital displays answer in time and answer time, with buttons for the answer function, LED light and buzzer to prompt.

手机通过局域网与物联网wifi模块8266进行数据通讯，实现遥控开关灯的E4A源代码(The mobile phone uses the LAN and the Internet of things WiFi module 8266 to carry out the data communication, and realizes the E4A source code of the remote control switch light.)