是protel的讲义，应该有利于大家的学习

用AVR单片机实现对时钟芯片DS1302的spi驱动，来读取和写入时间-AVR Microcontroller with the right of the spi clock chip DS1302 drive to read and write times

PWM应用程序编写方法实例，对于初学者较为使用-PWM application example of the preparation method, for beginners to use more

nRF905无线FSK芯片在51单片机上工作的代码-nRF905 FSK wireless chip microcontroller in 51 working on the code

单片机控制的条码打印机程序,程序简单,功能齐全.-MCU-controlled bar code printer program, the program simple and functional.

利用pic单片机的定时计数器测量汽车轮速，并利用串口将数据发送出去。-Using pic microcontroller timing counter measure vehicle wheel speed, and the use of serial data sent.

这是JHD19264液晶显示器的驱动源程序，单片机采用的是AT89C52.-LCD driver source, the microcontroller is AT89C52.

HCS08的AD例程：本程序是ADC模块的例程，所用资源为单片机内部ADC转换模块， 所接器件为电位器.-HCS08 s AD routine: This is the ADC module of the routine procedure, the use of resources within the ADC conversion for the microcontroller module, the device is connected potentiometer.

使用汇编语言的89C2051键盘输入程序源码-The use of assembly language program the 89C2051 keyboard input source

MSP430系列16位超低功耗单片机实践 -MSP430系列16位超低功耗单片机MSP430系列16位超低功耗单片机

avr 源代码 mega16 例程 大约30个 -avr source code mega16 routine about 30