这个程序利用89S51演奏生日快乐的歌曲 */

单片机常用的AD后滤波算法，供参考。-SCM common AD after filtering algorithm for information.

研究所积累的资料3,大家秘密使用,千万别告诉别人!-3 Institute of accumulated data, we use a secret, please do not tell others!

简易电子琴的设计 一、 设计题目： 设计一简易电子琴，要求能够发出1、2、3、4、5、6、7等七个音符。 使用元件：AT89C51、LM324，喇叭，按键等 二、 设计目的 （1）能够对电子电路、电子元器件、印制电路板等方面的知识有进一步的认识，独立对其进行测试与检查。 （2）熟悉8051单片机的内部结构和功能，合理使用其内部寄存器，能够完成相关软件编程设计工作。 （3）为实现预期功能，能够对系统进行快速的调试，并能够对出现的功能故障进行分析，及时修改相关软硬件。 （4）对软件编程、排错调试、焊接技术、相关仪器设备的使用技能等方面得到较全面的锻炼和提高。-simple design of a flower, a design : a simple flower design, request, sent seven notes. Use Element : AT89C51, LM324, speakers, such as two keys, designed (a) to be able to electronic circuits, electronic components, such as printed circuit boards with the knowledge to further understanding of its independent testing and inspection. (2) familiar with the 8051"s internal structure and function and the rational use of its internal registers can be completed software programming design work. (3) To achieve the desired functionality, the system can quickly debugging, and the right to function failure analysis, the timely revision of the related hardware and software. (4) The right software programming, debugg

51io模拟串口程序-51io simulation procedures

51单片机中的波特率发生器51 single-chip baud rate generator in-51 single-chip baud rate generator in

详细介绍了LCD相机标定的原理-Described in detail the principles of camera calibration LCD

步进电机相关资料，不错哦-Stepper motor-related information, yes Oh

LT-1B msp430开发板例子程序－ADC12_10

4-20MA信号发生器，含电路图，使用说明以及汇编源程序-4-20MA signal generator, including schematics, source code for use as well as the compilation

最流行的mifare卡读卡器全部源代码，实现有全部功能-most popular mifare card reader all of the source code, achieving full functionality