《AVR单片机嵌入式系统原理与应用实践》，AVR单片机学习的一本不错的教材，里面有许多帮助学习的例子...

vfd driver

C51语言的HD7279驱动程序-the HD7279 C51 Driver

用89S52编的的蜂鸣器发声，有点简单，但最为一个发声的实力来说足够了-89S52 series with the buzzer sound, a bit simple, but most of the strength of a voice enough for the

DTMF编码芯片HT9200的51接口程序。输入参数R2表示发送数据个数，输入数据与发送数据与DTMF码的关系:00H-0 01H-1 02H-2 03H-3 04H-4 05H-5 06H-6 07H-7 08H-8 09H-9 0AH-A 0BH-B 0CH-C 0DH-D 0EH-* 0FH-#。详细说明参考文件内-DTMF encoder chip HT9200 51 interface program. R2 said input parameters to send data distribution, data entry and send data with the DTMF code : 00H-0 01H- 02H-2 Mr- 3 in the 04H-4 05H-5 06H-6 07H-7 08H-8 7-9 0AH-A 0BH- 0CH B-C 0DH-D 0EH-* 0FH-#. Detailed information paper

一个实用的LED条型显示屏程序，采用PHLIPS P89C51RD2芯片，LED显示驱动板为1/16分扫。本程序已经成功应用于多种场合-A practical LED bar display procedures PHLIPS P89C51RD2 chip, LED display driver board for 1/16 sweep. This procedure has been successfully applied to many occasions

包括电路图和源程序，汇编语言编写。JP1、JP2、JP3为电机接口，JP5为投币器接口，JP4为指示灯接口-including circuit diagrams and source code, written in assembly language. JP1, JP2, JP3 for electrical interfaces, JP5 for the coin interface, the interface indicator of JP4

本文件是ATMEGA16A的使用说明，内附该单片机内部各个资源的C代码和汇编代码-This document is the use of ATMEGA16A that the single chip containing all the resources within the C code and assembly code

采用dspic30f2010的变频器核心驱动程序,程序可以实现正转/反转,频率设定,保护等-the inverter used dspic30f2010 core drivers, procedures can be achieved is to/inversion, frequency creation, protection

c8051f340 silcon实验室i2c

基于单片机的温度检测，可以用proteus进行仿真-Temperature detection based on single chip can be used proteus simulation