Sony-SIR-1000--LOFAR

简单的流水灯程序，另外包括按键控制led灯程序，适合初学者(Simple water lights, led lights additionally includes key control procedures, suitable for beginners)

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)

单片机开发系统演示程序 - PS2 键值显示，1位数码管显示键码 (Microcontroller development system demonstration program- PS2 key display, a digital display key code)

计步器，基于单片机与ADXL三轴加速度传感器的计步器，实现计步、1602显示步数及平均速度功能。 ( Pedometer, pedometer-based SCM and ADXL triaxial accelerometer achieve pedometer, 1602 show the number of steps and the average speed function.)

MSP430 按键中断控制LED灯程序!(The MSP430 the button interrupt control LED lights program)

ds18b20的温度显示跟序列号显示的程序(temperature ds18b20 shows the program with the serial number)

类似电脑键盘组合按键触发的功能。利用51单片机实现。有两个独立按键，当把两个独立按键都按下后，蜂鸣器发出“滴”的一声后就停。直到松开任一个按键后，才能重新进行下一次的组合按键触发。(Similar to the function of the keyboard combination of keys. The use of 51 single chip microcomputer. There are two independent buttons, when the two independent buttons are pressed, the buzzer issued a drop of sound after the stop. Until after the release of any key, the next combination of keys can be re trigger. )

TFT液晶屏字符和汉字显示程序，本人开发板源程序 (TFT LCD screen characters and character display program, I development board source)

说明：  智能基于RFID门禁系统的完整代码,PCB设计,电路设计(Intelligent access control system based on RFID)

电子设备的接触不良原因分析，分析的很深刻。(Electronic equipment is bad cause analysis, very deep.)