用单片机产生pwm波形的程序，可以在proteus 下进行仿真

单片机 Keil＋proteus 并行口设计数字键盘实验 要求：掌握动态显示、动态扫描键盘的工作原理及硬、软件的设计、调试方法 掌握80C51接口硬件电路设计方法及软件编程方法 了解80C51外部中断的使用和编程方法 实验题目：并行口实现数字0~9、A~F、L、U、P、n总共20个键盘，将按键的结果用7段数码管显示出来。-Parallel Port numeric keypad test requirements: master the dynamic display, dynamic scan the keyboard works and the hardware and software design, debugging the means to acquire 80C51 interface hardware circuit design methods and software programming approach to understanding the 80C51 external interrupts use and programming methods Experimental subjects: parallel port for digital 0 ~ 9, A ~ F, L, U, P, n total of 20 keyboard, the result will be keys to use 7-segment digital tube display.

FS7805单片机DATASHEET台湾人的东西 DATASHEET外面很少

EM78P153中文手册，EM78P153堪称最便宜的单片机，还不到二块钱一片。-EM78P153 Chinese Manual, EM78P153 rated the cheapest single-chip, less than a 2 money.

AT89S52单片机驱动AD9833产生信号，三角、正弦、方波均可。-AT89S52-driven single-chip AD9833 produced signal, triangle, sine, square wave can be.

MP430F149中文应用资料 MSP430单片机的开发及应用 -MP430F149 Chinese language materials development and application MSP430 MCU

毕业设计 可编程控制器 可以设定时间控制设备 程序和电路图都是正确得 -Graduation programmable controller can be set to the time control equipment, process and circuit diagrams are correct too

此程序为单片机开发中的lcd 液晶演示 程序，采用汇编语言编写，经过调试运行 无误。-procedure for the development of SCM LCD LCD demo program using compiled languages, through commissioning and truthful.

AD 转换 用定时器中断 显示 0--5V-AD0804 zhongduan xianshi

proteus学习资料，培训仗义，介绍硬件仿真平台proteus的使用。-proteus learning materials, training, generous attempts to introduce the use of hardware emulation platform proteus.

本文介绍了AT89C2051单片机的性能和特点，并在分析了超声波测距原理的基本系统框图。该设计系统经校正后，其测量精度可达0.1米-This paper introduces the AT89C2051 performance and features, and the analysis of the ultrasonic distance measurement principle diagram of the basic system. The design of the system calibration, measurement accuracy of 0.1 meters