8051 with the realization of the agreement PS2 PC keyboard, a detailed Notes

89S52 单片机 + 74HC595 + 组成的8X8 LED 点阵驱动显示程序，Keil C环境编写，带显示字符压缩／解压源／显示／代码。-89S52 composed of lattice-driven 8X8 LED display program, Keil C environment preparation, showed a band of characters compression/decompression source/Display/code.

AVR 4*4键盘输入并通过USART进行通讯-AVR 4* 4 keyboard to communicate through USART

完全正确的频率计供大家参考（1602显示),非常适合单片机学习和使用-Completely correct frequency for your reference (1602 show), very suitable for the learning and use of single-chip microcomputer

单片机外部中断检测程序！！！ 开发环境：keilC 用于检测外部中断-SCM external interrupt testing procedures. ! ! Development environment : keilC for detecting external interrupt

简单的入门例程，初学者的必看。。。。。。关于51单片机的C语言开发-Introduction to simple routine, the must-see for beginners

液晶显示器与单片机接口电路程序，实现液晶显示对于信号源发生信号的控制和显示-LCD and microcontroller interface circuit procedures, LCD occurred signal source for the control signal and display

单片机的程序，欢迎探讨-Microcomputer Program, welcomed the study

多年工作有关PCB绘图的总结，适合初学者学习-Years of work-related summary graphics PCB, suitable for beginners to learn

一个简单的利用查表法的反正切和正、余弦函数，在处理速度不快的单片机编程中，这是一个使用的方法。-The use of a simple arctangent look-up table method and positive, cosine function, the processing speed of microcontroller programming unpleasant, this is a method used.

单片机和PC机通讯源程序 C语言编程 绝对好用-PC-MCU and communication source is absolutely easy to use C language programming