I2C--EEPROM

用单片机c51编写的程序 使用蜂鸣器发出超级玛丽的音乐(C51 microcontroller programs written with use of the buzzer Super Mario music)

由单片机8951来控制 c语言编写 具有实现正转反转 加速减速 采用PWM调制的方法(By the single-chip microcomputer to control the 8951 with c language implementation is to accelerate the slowdown in the use of inverted PWM modulation method)

240128液晶驱动的测试程序，c语言编写(240,128 LCD driver testing procedures, c language)

用电脑串口控制单片机流水灯状态,用电脑串口控制单片机流水灯状态(Serial control with a computer chip light water status)

51单片机驱动74ls164程序 (51 Microprocessor 74ls164 program)

边界盒的检测，能有效的知道边界盒的最大长度，为编程带来方便(Bounding box test, which can effectively know the maximum length of the boundary box for programming convenience)

读写器与射频卡通信的设计采用RC522射频读写芯片与射频卡进行通信，符合ISO14443规范协议；硬件系统设计中主要有AVR单片机主控模块、电源模块、存储模块、外部时钟模块、LCD模块；软件系统设计采用C语言，遵循模块化和结构化编程模式，设计了射频卡操作程序、软关机与自动关机程序、LCD显示、串行Flash存储器、外部时钟等外部设备驱动程序。所设计的手持式读写器具备对MF1 S50、S70射频卡的读写、实时状态显示、系统在线升级以及关机等功能。(This handset can process the data offline or online, reading and writing from 10 cm far. This handset is low-power, miniature, modular design and so on. This article includes: the communication design between RF card and Reader, hardware system design and software systems design. The communication design between RF card and Reader used to RC522 RF chip control RF cards, in line with ISO14443 standard protocol Hardware system design mainly include AVR microcontroller control modules, power modules, memory modules, external clock modules, LCD modules Software system designed with C programming language, and follow the modular structure of the programming model, and has the RF card operation procedures, soft shutdown and automatic shutdown procedures, LCD display, serial Flash memory, an external clock, and other external device driver Procedures. The handset readers has the MF1 S50, S70 RF card reader function, real-time status display function, the system online update function and so)

经典赛车游戏的基础模型，基于LPC2138芯片设计，可在ILI9320 LCD触摸屏上操作(The basis of classic car racing game model, based on the LPC2138 chip design, can be in ILI9320 LCD touch screen operation)

说明：  数字滤波器，AD采样的值进行数字滤波，得到较理想的值(Digital filters, AD sampling the value of the digital filter, to be more ideal value)

12864液晶屏幕，并口方式，反白，字符显示，图片显示(12864 LCD screen, parallel mode, highlight, character display, image display)