C51 with HT9170 and HT9200 interface program (DTMF)

简易谐波分析仪 -Simple Harmonic Analyzer

单片机控制实现几个小游戏：贪吃蛇、俄罗斯方块、推箱子-Realize single-chip control of several small games: Snake, Tetris, Sokoban

功能：arm7平台的I2c驱动程序，硬件I2C软件包，利用中断方式操作。 * 说明：主程序要配置好I2C总线接口(GPIO、总线时钟)

实现对模数转化芯片TLC8032的控制逻辑，接收转化出来的数字信号，以便进行后续的数字信号传输-modulus to achieve right into the TLC8032 chip control logic, into the receiving digital signals for the follow-up to digital signal transmission

基于以太网IC卡门禁控制的C++BUILDER程序-Ethernet-based IC card access control of the C++ BUILDER procedures

2008北京奥运会的倒计时牌的课程设计,3块数码管分别显示年月,时间,剩下的天数-The countdown to the 2008 Beijing Olympic Games licensing curriculum design, digital tube 3, respectively, show the date, time, number of days remaining

矩阵键盘检测,用于熟悉了解单片机,初次上手的人用-Matrix keyboard detection, for familiarity with the microcontroller, the initial-to-use with

一个随机抽题程序 可以用来做演示用 还包括了定时器-Title of a random draw process can be used to make presentation also includes a timer with

< AVR单片机C语言开发入门指导>> Project 多通道AD转换 Chip type ATmega8 Clock frequency :内部RC（INT）8.000000M Author ATMEGA8内部的转换器-" > Project multi-channel AD converter Chip type ATmega8 Clock frequency: the internal RC (INT) 8.000000M Author ATMEGA8 inside the converter

C8051F120 ISP下载程序，通过串口可以更新程序，实现硬件的自动升级，更新程序大小为62KB-C8051F120 ISP download programs through the serial port can update procedure, automatic hardware upgrades, updates size is 62KB