C51 standard RS485 communication program, as long as the two single

在C51上显示四个数码管程序，简单易懂，试用过-In the C51 display four digital control program

友达LCD 2.8寸,配ILI9320的驱动程序.-AUO LCD 2.8 inch, with ILI9320 drivers.

Nokia3310 LCD 51系列单片机控制源代码-Nokia3310 LCD 51 Series single-chip microcomputer to control the source code

实用红外遥控接收，解码程序。已经通过调试。-Practical infrared remote control receiver, decoding procedures. Have passed testing.

飞思卡尔单片机例程――简单IO口及程序框架，包含纯C和C与汇编混编两个版本-Freescale" s Microcontroller routines- Simple IO mouth and procedural framework, including pure C and C mixed with the compilation of two versions of

a good program for battery charge,only for reference

关于sdc/mmc的详细用法,日本网站下载-On sdc/mmc detailed usage, Japan website

计算CRC16/CRC8/CRC32的程序，可获得CRC-CCITT/CRC-16/CRC-8/CRC-32的计算结果。 提供Delphi源代码和MCS51单片机的汇编源代码，分别采用两至三种不同算法实现。有比较详细的调用和使用说明。 更新历史: 2003/05/04 新增CRC-8算法的实现。 2004/02/02 修改CRC-8算法，新增CRC-32算法，增加比较详细的调用和使用说明。-CRC16/CRC8/CRC32 calculation procedures available CRC-CCITT/CRC-16/CRC-8/CRC-32 the calculated results. Delphi provide source code and compile the MCS51 source code, adopted two to three different algorithm. A more detailed calls and use. Update History : 2003/05/02 new CRC-8 algorithm implementation. 2004/02/02 changes CRC-8 algorithm, the new CRC-32 algorithm, adding more detailed calls and use.

凌阳的LCD演示原码,里面还有LCD的使用说明.-Sunplus LCD presentation of the original code, along with LCD instructions.

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