供应链管理原理与实用技术

单片机播放音乐 通过控制高低电平让蜂鸣器发出不同的声音 做相应的延时实现节拍 开发环境是keil-SCM music by controlling the high-low so that the buzzer sounds different delay accordingly to achieve the beat

IO口模拟串口，c语言编写，使用一个定时器中断-Serial IO mouth simulation, c language, the use of a timer interruption

利用430做的一个产生时钟脉冲的程序，可以调的！-430 make use of a clock pulse generated procedures, you can tune in!

简易空调控制程序 KEIL+PROTUNES-Simple air-conditioning control procedures KEIL+ PROTUNES

单片机用的俄罗斯方块程序，用128x64的液晶显示。-Singlechip procedures used in the Russian box, using the LCD 128X64.

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

一个单片机的I2C驱动程序，用C语言编写，可方便扩展到各型号单片机-A single chip I2C driver, using C language, can be easily extended to various models of single-chip microcomputer

《单片机C语言编程与实例》的代码,使用keil编程环境,供大家参考- Microcontroller C programming language and examples of code, using keil programming environment, for your reference

通过硬件电路实现，智能湿度仪。测量空气湿度。先通过数字端，在经过模拟电路处理，完成相应功能。-hardware circuit, intelligent humidity instrument. Measurement of air humidity. First-through digital, analog circuit after processing to complete functional.

51单片机控制AD9851产生20HZ-1MHZ的正弦波，并且实现了按不同步进频率扫屏-51 single-chip AD9851 produced control 20HZ-1MHZ the sine wave, and realize a different step frequency sweep screen