基于测距式的超声波测距仪，以AT89C51单片机为核心，精度高、有数字显示功能，实验精度达0.5CM...

该程序可实现人机的交流，有键盘、显示、打印机-The program can realize man-machine communication, has a keyboard, display, printer

发射芯片nrf24e1的控制字配置，发射子程序 与单片机的通讯-Launch control chip nRF24E1 word configuration, launch communications subroutine with SCM

P89C669存储实例: 说明： 1. inc 文件夹 是关于P89C669的头文件，在使用下面两个例子前，请首先将头文件拷到 ..KeilC51INC下. 2. Rom 文件夹 是关于P89C669的程序空间使用的例子，说明怎样利用大于64KB的程序空间。 3. Ram 文件夹 是关于P89C669的数据空间使用的例子，说明怎样在各个数据空间定义变量。 -P89C669 storage examples: Note: 1. Inc folder is on the first P89C669 documents, in the use of the following two examples, please first Kaodao header files .. KeilC51INC under .2. Rom folder P89C669 procedures on space use example of how to make use of the procedure is greater than 64KB of space. 3. Ram folder P89C669 data on space use examples to illustrate how the definition of data space in all variables.

DS1820 C51 子程序-C51 subroutine DS1820

0-99的计数器，带proteus仿真文件。-0-99 of the counter, with proteus simulation file.

51单片机键盘的相关处理，按键扫描，后针对具体应用进行相应处理．-51 Single-chip related deal with the keyboard, keypad scanning, after the specific application of the corresponding treatment.

320240简单演示程序(8080时序)-320240 simple demo program (8080 timing)

CAN Driver in Keil C

利用单片机实现三相电源的相序检测 利用单片机实现三相电源的相序检测-Realize the use of single-chip three-phase power supply phase sequence detection using single-chip realization of three-phase power supply phase sequence detection

八路电压表C程序 使用AT89C52单片机，12MHZ晶振，P0口读入AD值，P2口作AD控制，用共阳LED数码管 P1口输出段码，P3口扫描，最高位指示通道（0-7）。-Eight-way voltage meter C program using AT89C52 single-chip, 12MHZ crystal, P0 I read into the AD value, P2 I make AD control, with a total of P1 Yang LED digital tube output above code, P3 port scan, the maximum channel bit instructions (0-7).