占空比可调信号发生器，单片机原理程序代码，已成功运行。...

51系列单片机上实现PC键盘的识别，并且在相应的LED点阵上显示结果-51 Series Single Chip PC keyboard to achieve recognition, and in the corresponding LED dot matrix display results

带字库液晶驱动.ST7920的读写 带字库液晶驱动.ST7920的读写-LCD driver with font. ST7920 character reading and writing with LCD driver. ST7920 literacy

使用单片机系统制作波形发生器，能产生正弦波、方波、三角波-The production of single-chip microcomputer system using the waveform generator, can generate sine wave, square wave, triangle wave

avr单片机使用的ds18B20的测温系统-avr single-chip microcomputer used in the temperature measurement system ds18B20

利于省电的自动断电电路，当程序空闲时可以自动断电。应用与C51平台-conducive to the power-saving auto power circuit when the program can automatically when idle power outages. Application platform with C51

ARMSYS实验十：彩色LCD应用实验 描述：基本的显示绘图操作-Experimental ARMSYS 10: Color LCD Applied Experimental Description: basic drawing operation display

12864LCD电子钟c语言程序，电子钟的经典之作-12864LCD electronic bell c language program, the electronic bell classic

基于中断控制的声光报警器的设计.采用中断方式，设计一个声光报警器的硬件电路和控制程序。程序运行时，一旦8位开关信号量状态满足设定条件，就触发中断，使发光二级管按规律闪烁，同时扬声器播放一段音乐。 硬件设备包括一台微机、一个MFID微机实验箱、一块T型板，2输入四与门 74ls08、8位总线驱动器 74ls245、LM386A音频放大器、排阻、扬声器各一个，发光二极管8个，470uF电容2个、104电容4个，插线若干。 -Interrupt-based control of sound and light alarm design. Using interrupt mode, designing a sound and light alarm hardware circuits and control procedures. The program is running, once the 8-bit switch signal to set the amount of state to meet the conditions to trigger interrupts, so that light-emitting diode flashes according to the law, while speakers play a piece of music. Hardware includes a computer, a computer simulation, MFID box, a T plate, 2 input 4 and gate 74ls08, 8-bit bus driver 74ls245, LM386A audio amplifier, exclusion, speakers of a light-emitting diode 8, 470uF capacitor 2 a, 104 capacitors 4, plug-line number.

OPENGMAX，大家可能都用到过，这里可以和大家分享一些优化的代码，可以共同提高，ARMcode 优化-OPENGMAX, you may have used before, here we can share some optimized code, can work together to improve, ARMcode optimization

一个LCD显示驱动的程序,PIC芯片,C编写.-An LCD display driver procedures, PIC chips, C preparation.