基于at89c51snd1c的硬盘MP3播放器

并口方式点亮12864规格的液晶显示器，显示位置可调-12864 standard parallel port mode lit LCD display, adjustable display position

汽车启动设计参考电路及程序代码。PIC单片机设计，汇编代码。-Auto start the design reference circuitry and program code. PIC microcontroller design, assembly code.

大容量FLASH存储器29C040的C51读写程序 -large-capacity flash memory reader 29C040 the procedures C51

单片机　１６路无线防盗报警器　c语言的　用数码管显示-Single-chip 16-way wireless burglar alarm c language digital display

看门狗的使用方法例程（C语言）-watchdog on the use routines (C language)

这是一个键盘的单片机小程序，适合于初学者学习-This is a small program the keyboard microcontroller is suitable for beginners to learn

8051 在 Lenov03473292 虚拟串口的通讯 protuns-8051 in Lenov03473292 virtual serial port communications protuns

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.

在C8051中用I/O口模拟SPI的C代码.-using I/O simulation SPI C code.

m25p64是AT退出的一款大容量flash存储器，8Mbyte.串行通信方式，极大的节省了硬件资源。-64Mbit of flash memory.page program(up 256 byte)in 1.4ms.sector erase (512Kbit)