3LED realize 89c51f020 flashing button to use to achieve the

单片机与上位机的通讯协议,单片机与PC机通讯程序-MCU and host computer communication protocol, microcontroller and PC-communication program

当前LCM的主流接口有并口和串口。并口引脚多，产生串扰，串口则没有诸如此类的缺点。SPI作为串口家族的一员，具有高速同步、芯片管脚少和信号稳定不产生串扰等优点，越来越受到开发人员的青睐。但是，具有SPI的LCM并不是毫无缺点的，市场上以COG(chip on glass)方式封装的LCM大都是基于单工方式传输的，这将给开发带来了非常大的麻烦。本文主要论述基于单工SPI的GUI开发方案，详细地分析了基于单工SPI的GUI的开发开台，论述并分析在GUI开发过程中遇到的问题，最后提出增加虚拟LCD的方案解决这个问题。-err

在嵌入式开发中，AVR单片机驱动 128*64的KS0107液晶的实例。非常易于大家的移植。-In the embedded development, AVR single-chip driver 128* 64 LCD KS0107 example. We are very easy to transplant.

一个很不错的按键单片机C程序-a very good button SCM C Program

光电池LED自动照明控制系统的设计与实现，这是一套毕业设计，里面包括电路原理图和程序原码包，还有相关的芯片资料，这是一套很大的系统 -Battery LED light automatic lighting control system design and implementation, which is a graduation project, which include the circuit schematic diagram and procedures for the original code package, and chip-related information, this is a great system

文件包含自己动手制作MP3所需的资料：电路图和源代码。-document contains MP3 personally produced the necessary information : circuit diagrams and source code.

8路AD采集系统，数字电压表，采用ADC0809模数转换芯片，单片机控制的数字采集系统-8-channel AD acquisition systems, digital voltage meter, the ADC0809 analog-to-digital converter chip, single-chip microcomputer controlled data acquisition system

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

一个单片机温度控制的完整程序-a complete temperature control procedures

凌阳单片机的语音程序2，供学习凌阳单片机的学习者参考-Sunplus SCM voice two procedures for learning Sunplus SCM reference learners