Curriculum design, single

用12C887制作的电子时钟,用89C51单片机读取并显示.-12C887 produced with electronic clock 89C51 single-chip reader and displayed.

利用单片机加控制直流电机，利用P1口，编制程序输出一串脉冲，经放大后驱动小电机，改变输出脉冲的电平及持续时间，达到使电机正转、反转、加速、减速。停转之目的。 可以通过74LS244输入开关量数据来控制小直流电机的转动，实现正转四种转速，反转四种转速及停转。 -The use of SCM in controlling the DC motor

89c2051Control LED(RGB).

最近非常流行的STC增强型单片机PDF应用资料-Recently very popular STC-enhanced single-chip application information PDF

基于51单片机的数字钟，适合与初学者下载-SCM digital clock, suitable for beginners and download

DDS9851的PDF大家有需要就下载 还有中文文档-U.S. DDS9851 the PDF there is a need to download the document there are Chinese

延时采用指令延时的方法,通过改变系统时钟,改变延时的长短,用IOA口的低8位接的LED的闪烁显示出来-Delay the use of methods of instruction latency by changing the system clock, changing the length of delay, and low IOA I received 8 of the LED display flashes

9320 drvice code -9320 drvice code

芯片使用51+ch375,程序用180行C代码就能够读取FAT16文件系统U盘的根目录,可以看到根目录下的文件名,并可显示首文件内容-chips use 51 ch375, procedures using 180 OK C code can read FAT16 file system drives the root directory, we can see the root directory under the file name, would show the contents of the documents first

设计了一个单片机的原理图，并制作了相应的PCB版图，测试后程序运行正常-Designed a microcontroller schematics and produce the corresponding PCB layout, test program runs normally