本题必须采用广州周立功单片机发展有限公司赞助的ARM2138实验开发仪为主机板；并扩展显示器、键盘、打印机等相应接口；超市的物品使用13位数字编码（每件物品均有...

凌阳单片机的语音程序6，供学习凌阳单片机的学习者参考-Sunplus SCM procedures voice 6 for learning Sunplus SCM reference learners

绝对正确的SAA7121寄存器初始化值，包括PAL、NTSC,不能用你找我-SAA7121 absolutely correct register initialization value, including PAL, NTSC, you should not use me

基于at89c51snd1cMP3源程序-Based on at89c51snd1cMP3 source

单片机的内部定时器应用-SCM internal timer Application

使用Keil for arm编译环境的LPC21xx的watchdog（看门狗）的工程示例程序，对使用LPC21XX的单片机开发人员有参考价值。-use Keil compiler for arm of the environmental watchdog LPC21xx (gates dog) project examples procedures, the use of SCM LPC21XX Developer reference value.

用C语言实现51单片机的2402开机次数3位计数程序-51 using C language to achieve the 2402 single-chip boot program counts the number of three

51单片机控制18B20传感器，利用液晶显示也可以利用数码管显示-51 Singlechip 18B20 control sensors, the use of liquid crystal display can also use digital tube display

C51 TIMER 0的使用 Timer_0_mode_1_counter_gate_hard-C51 TIMER 0 use Timer_0_mode_1_counter_gate_hard

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.

采用8位LED动态扫描时钟演示程序，使用12MHZ晶振，P0口输出段码，P2口作列扫描，用共阳LED数码管。-Using 8-bit dynamic scanning LED clock demonstration, the use of 12MHZ crystal, P0 port output above code, P2 scan I made out with a total of LED digital tube Yang.