PIC上实现的I2C通讯源程序，使用IO口模拟I2C总线时序来实现的。...

单片机结合简单外围计数电路设计的频率计，内附电路和c源代码-Single-chip combination of a simple design of the external counting circuit frequency meter, enclosing the circuit and c source code

Motorola公司单片机MC9S08QG8实现AD转换功能的实例程序，可供初学者学习-Motorola Inc. MC9S08QG8 realize single-chip AD conversion examples of procedures, for beginners to learn

单片机proteus仿真，可以做成实例的仿真文件。-protues

51单片机实现的温度测量、AD转换，温度传感器采用DS18B20，显示采用1602LCD屏，报警采用蜂鸣器。-。-51 MCU temperature measurement, police procedures, the use of temperature sensor DS18B20, showed that the use of 1602LCD screen, using buzzer alarm.

串口程序，内有详细的注释，是参考网上流传的串口调试助手写的，在此进行了分栏显示的改进，学习者也可以将其中的控件属性设置为可见，实现和串口调试助手一样的功能。-Serial process, with detailed notes, with reference to the spread of online serial debugging assistant written in this column have been shown to improve, learners can also control which property is set to visible, to achieve and serial debug Like assistant functions.

提供DataFlash（AT45DB041）的底层读写驱动函数，包括内存读写，缓存读写，内存与缓存之间的数据交换等等。-provide DataFlash (AT45DB041) literacy drive the bottom function, memory read and write, read and write cache, and cache memory for data exchange between and so on.

公交车IC卡电路图程序 希望能帮助大家-Bus IC card circuit procedures

AT89S51单片机　输出Pulse Width Modulation　Wave -AT89S51 MCU Output Pulse Width Modulation Wave

Interface PS/2 key board-Interface PS/2 key board

单片机控制按键显示芯片HD7279A，现象左移两位显示，C言版.rar-SCM button display chip HD7279A, the phenomenon of the left two show, C made version. Rar