周立功 lpc2104 开发板资料和测试程序，经过调试

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我用VC写的十进制与十六进制数的转化程序，绝对独创，可用于需要浮点运算的单片机编程数值转化。-I write with VC metric hexadecimal number and the conversion process, absolutely original and the need for the floating-point operations into numerical microcontroller programming.

提出了一个由AT89C52单片机控制步进电机的实例。可以通过键盘输入相关数据, 并 根据需要, 实时对步进电机工作方式进行设置, 具有实时性和交互性的特点。该系统可应用于 步进电机控制的大多数场合。实践表明, 系统性能优于传统的步进电机控制器。-Put forward a AT89C52 single-chip stepper motor control example. Through the keyboard input data, and in accordance with the needs of real-time work on the stepper motor set up, with real-time and interactive features. The system can be applied to stepper motor control of the majority of occasions. Practice shows that system performance is superior to traditional stepper motor controller.

利用51单片机实现数字音乐盒的实验方法及汇编代码。-51 MCU using digital music box experimental methods and assembly code.

关于AD590的说明，包含若干应用电路图。-Note on the AD590, contains a number of applications circuit.

在单片机系统中实现4*4的小键盘的扫描程序，按键输出对应信号，可以根据按键来设定输出对应高低电平-Single-chip microcomputer system in the implementation of the 4* 4 keypad scanning procedures, the corresponding button output signal can be output in accordance with the corresponding button to set the high-low

WEIGANG-ID卡读卡头数据传输协议,在门禁,停车场系统中大量使用-WEIGANG-ID card reader first data transmission agreement, the doors, garage extensive use of System

本程序为数码管显示处理模块 占用I/O RC3,RC4,RC5 使用RAM 节 程序包括: InitSPI 初始化SPI子程序 LEDlight 送七段码显示子程序 入口参数 LED_DATA 出口参数 无-This procedure for the digital display processing module occupied I/O RC3, RC4, RC5 use RAM section include: InitSPI initialize SPI sent to Seven-Segment Subroutine LEDlight code display subroutine parameter exports LED_DATA entrance parameters without

单片机开发的显示电路设计，里面附有C的源代码-The development of the display of single-chip circuit design, which with C source code

打印机控制程序，用89c52单片机控制打印，已测试通过-printer control procedures, 89C52 microcontroller with print control, have been tested