24系列串行EEPROM的源代码，需要I2C总线的接口函数。

AT89C51单片机的超声波测距的原理图及汇编程序-AT89C51 microcontroller schematic diagram of ultrasonic ranging and assembler

电子密码锁程序，两键输入，其中一个键累加，另一个键确认。密码正确锁打开（开锁指示灯亮）；密码错误锁关闭（关锁指示灯亮）；连续错三次则锁定键盘8秒并发出报警声。-Electronic code lock procedure, the two key input, one key additive, and the other button to confirm. The correct password to open lock (unlock indicator light) password error lock closure (Kuan-lock indicator light) consecutive wrong then lock the keyboard three times and issued eight seconds alarm sound.

51系列单片机读卡程序，本人亲测，适合考勤、门禁。-51 Series single-chip reader program, I pro-test for time and attendance, access control.

掉电保护的一些基础-power off some of the basic protection

RS译码主要模块的verilog代码，很有用也很实用的，需要的一定要看哦-RS decoding main modules of the verilog code, very useful and very useful, and we need to look at Oh sure

单片机通信实验程序（详细源代码）-SCM Communications experimental procedure (detailed source code)

可用于测量10000000赫兹频率范围内的方波，基于单片机8051.精度为0.01 -Can be used to measure the frequency range of 10 million Hz square wave, based on 8051 microcontroller. Accuracy 0.01

DS18B20温度计C程序 使用AT89C2051单片机，12MHZ晶振，用共阳LED数码管-DS18B20 thermometer C program uses AT89C2051 Singlechip, 12MHZ crystal, with a total of Yang LED digital tube

这是介绍凌阳单片机基础的PPT教案！要是有学凌阳的可以好好看看它哦，个人感觉还不错！-This is the introduction Singlechip Sunplus based PPT lesson plans! If the school has Sunplus can look at it, oh well, personal feeling pretty good!

MSP单片机开发应用实例，适用于任何型号-MSP development and application of single-chip example, apply to any model