ACEXT1K30 the schematic and PCB layout mature, can be submitted directly to the...

89c51的isp下载程序C语言版源代码。可无编程器在线编程。-89c51 isp download the C language version of the source code. Programming can be no on-line programming.

本代码以8051单片机做的，实现对电子钟的功能。功能包括四按键对电子钟的时间及年月日的调整，6LED数码管显示时间。各部分功能以模块写出，便于以后调用，对于初学单片机的朋友们会有很大帮助。-The code to 8051 to do, to achieve the electronic clock function. Features include 4 buttons on the electronic form of time and date adjustment, 6LED digital tube display time. All parts of capabilities to the module to write, easy to call the future, for beginners SCM would be of great help to my friends.

1.利用PWM控制占空比实现LED的亮暗。 2.可以用UP DOWM键进行控制亮暗。 -1. The use of PWM duty cycle control to achieve the bright LED dark. 2. Can be used to control button UP DOWM bright dark.

光驱改成CD播放器,51作CPU,1602作显示,可以加入遥控器,非常好用的-CD-ROM into a CD player, 51 for CPU, 1602 for the show, you can add remote control, very useful

1602液晶显示，通过键盘按下去上的数值-1602 liquid crystal display, go through the keyboard by the numerical

ADC0809单通道电压转换＋1602液晶显示-Single-channel voltage converter ADC0809 LCD+1602

头件的中的#ifndef，这是一个很关键的东西。比如你有两个C文件，这两个C文件都include了同一个头文件。而编译时，这两个C文件要一同编译成一个可运行文件，于是问题来了-The first pieces of# Ifndef, this is a very key things. For example, you have two C file, the two C files include the same file size. And compile-time, the two C files to compile together into a run file, then issue the

LCD12864直接写屏驱动程序，12864LCD直接写屏，省去显示缓冲区，-LCD12864 written directly screen drivers, 12864LCD written directly screen, eliminating display buffer,

8051编译器 dos下 很小-8051 compiler under small dos

此为AD9850的驱动程序,经过实验,发现可行-This is the AD9850 driver, after the experiment and found that viable