这是单片机C51的各种代码包，包括：I2C应用程序、滚动码应用原程序、红外应用源程序集、用计算机并口模拟SPI通讯的C源程序...

键盘与显示 4*4键盘 8个数码管轮流扫描作动态显示 硬件电路需要74LS138 cd451 -Keyboard and display 4* 4 keyboard 8 digital tube rotation scanning circuit for dynamic display hardware need 74LS138 cd451

根据液晶显示模块基本原理及其技术特性，与单片机的进行接口的具体电路，本文提供了HD44780的调试程序代码．-According to the basic principles of liquid crystal display module and its technical characteristics, and MCU interface to the specific circuit, this article provides a HD44780 debugging program code.

/*P89CXX计算机程序员发送*//*所需定义编程cpu类型0:P89C51 1:P89C52 2:P89C54 3:P89C58 4:P89C51RC 5:P89C51RD*/

智能小车 完整报告 加程序 汇编语言 功能齐全-Smart car full report plus a full-featured assembly language procedures

简易频率计，一个中断，一个定时器，适合初学者学习中断、定时器，动态扫描显示。-Simple frequency meter, an interrupt, a timer, suitable for beginners to learn interrupt, timer, dynamic scan shows.

Keil C 编程的手写板-Keil C Programming 5270

单片机通过CH375控制USB打印机,该程序由keil51编译，希望对大家能有帮助，谢谢！-MCU control through CH375 USB printers, the procedures keil51 compiler, and I hope to be able to help you, thank you!

使用PIC16F628和U2280构建的门禁控制机,有原理图-use PIC16F628 and U2280 Access Control Construction machine, a schematic diagram

家用热水器，用汇编编写，支持代码贡献机制，好东西大家分享-Household water heaters, with the compilation prepared to support the code contribution mechanism to share good things

用8051单片机可实现音乐播放功能（以"新年好"为例）。如果安装了Proteus软件，可方便的在自己的电脑上实现仿真。-YOU KAN PLAY BEAUTIFUL MUSIC WITH THE HELP OF 8051MCU.YOU CAN SIMPLY MAKE IT IF YOU HAVE THE MASTERY OF PROTEUS.