8051实时操作系统

超声测距c语言程序 利用定时器产生40khz站空比50 的方波 通过检测收到超声波的时间来测距-Ultrasonic Ranging c language program generated using the timer 40khz space station more than 50 of the square wave by detecting the time to receive the ultrasonic ranging

kayan_yazi_48x7 led meseges

调制的代码，包含FSK,ASK等多种调制方式。-Modulation code, including FSK, ASK modulation, etc..

通过温度传感器DS18B20和湿度传感器HS1101分别采集温度和湿度，用12864液晶显示。很美观，显示准确。-Through the temperature sensor and humidity sensor DS18B20 Acquisition HS1101 temperature and humidity, respectively, with LCD 12864. Very beautiful, showing accurate.

这是原创的基于PIC16F877A单片机的读SD卡文件系统程序源代码-This is the original PIC16F877A microcontroller-based SD card file system read source code

移植成功的单片机uc/os-II代码，效果很好的-Successful transplantation Singlechip uc/os-II code, the effect of good

单片机实现DDS 利用单片机和AD9851来产生高频率的正弦波 本程序为一个测试程序,只产生一个频率不便的正弦波-Realize single-chip AD9851 single-chip computer and DDS to generate high-frequency sine wave of this procedure as a test procedure, only the inconvenience of a sine wave frequency

串口调试程序，接收FLOAT的4BYTE并解析显示，常用于单片机开发-Serial port debugger, receive FLOAT(4BYTE)and parse it to show that commonly used in MCU development

RA8806控制的LCD显示驱动程序。-RA8806 control

keil里面的例子，看看把-example, to see if the he