可用于51单片机广告显示屏，交通灯，门铃电路的基本程序(Can be used in 51 MCU advertising display, traffic lights, doorbell circuit basic procedures.)

里面有计时器，秒表，钟表，步进机，温度计，密码锁，门铃，报警器等常见100多个例程(There are more than 100 routines: timer, stopwatch, clock, stepper, thermometer, password lock, doorbell, alarm and so on.)

这种一款无线门铃的程序，与315通讯模块组合成的无线传输功能，可以用以学习！(This kind of wireless doorbell program, combined with 315 communication module wireless transmission function, can be used to learn!)

实现智能配网，智能获取IP地址及端口，在局域网中，采用TCP服务器模式，设备开机及联网后，当无人按门铃及未接到手机APP指令的情况下，可关闭摄像头，当有人按门铃时，可打开摄像头并发送指令提醒用户查看视频监控及进行开关锁的操作或者手机APP端发送指令打开摄像头并传输数据随时查看视频监控。(Intelligent distribution network, intelligent access to IP addresses and ports, in the LAN, using TCP serv