用C语言编写的PIC单片机一些例程源代码，很有参考价值。

用PIC单片机写得HT1621驱动程序!-PIC microcontroller written HT1621 Driver!

CRC32，适用于internet,文件等的校验，可靠程度比CRC32高，但运算要比CRC16复杂，需要的占用的代码空间也大一点-CRC applied to internet, checking the documents, reliable than CRC, but the operation than CYXLIC REDUNDANCY complex, requiring the occupants of the large code space 1:00

电源控制器的单片机汇编程序和VB源程序，主要功能是通过电脑程序控制单片机实现电源的控制。-Single-chip power controller for the compilation of procedures and VB source code, the main function is to control single-chip computer control to achieve power.

MCS51单片机实现LCD1602显示汉字-MCS51 MCU LCD1602 display Chinese characters

单片机系统上电后，P0 口和 P1 口都被清 0。然后，你规定一个由 6 个数字构成的序列（每个数字从 0～F 中选取），比如 E、8、9、0、7、F。然后每次当单片机检测到外部中断 0发起中断时间时，读取 P0 口和 P1 口上的状态值，当连续 6 次外部中断事件的对应的数字序列构成你所设定的序列后（举例来说，如果 P0.0 是 1，P0 和 P1 的其他管脚是 0，那么我们称为检测到一次数字 0），从串口打印输出一幅类似下图的 16×16 的ASCII码的圣诞树图片。-Single-chip microcomputer system after power, P0 and P1 mouth I have been ching 0. Then you set a six figure constituted by the sequence (each number from 0 ~ F in selected), for example, E, 8,9,0,7, F. And then each time a single-chip detects external interrupt 0 initiated interruption time, I read the P0 and P1 mouth on the state value, when a row 6 times the corresponding external interrupt events constitute digital sequence set your sequence (for example example, if P0.0 is 1, P0 and P1 of the other pin is 0, then we called a number of detected 0), a printout from the serial port under similar 16 × 16 map of the ASCII code of the Christmas tree图片.

基于MAX6675的温度测试及在液晶显示程序 -MAX6675 temperature-based testing and procedures in the liquid crystal display

89S52下C51写的I2C通讯程序，测试通过，本人正在使用-C51 under 89S52 write I2C communication procedures, test passed, I am being used

利用多模式调制解调器芯片CMX868能直接通过高速串行总线与单片机串行接口进行通信这一特点设计的一套采用单片机来控制CMX868芯片的数据传输系统，握手协议部分-The use of multi-mode modem chip CMX868 directly by high-speed serial bus and the microcontroller serial interface to communicate with this feature set designed to use microcontroller to control the CMX868 chip data transmission system, part of the handshake protocol

电子密码锁设计 -Electronic code lock design

51的C语言教程，对各位初学51的新人来说，是一本很好的指导教材。-51 C language classes, beginner to you and the 51 newcomers, it is a very good guidance materials.