红外线

自定义数字键盘，IOS编程学习源码，很好的参考资料。(Custom digital keyboard, learning IOS programming source code, a good reference.)

IIC驱动,改变宏定义管脚即可直接使用，非常方便！！！(IIC Driver, Change the macro definition pin can be directly used, very convenient!!!)

AD9954测试程序，单片机为stm32f103(the code to test for AD9954)

STC12C5A60S2单片机驱动4位共阴数码管动态的显示的电子钟。包含具体的制作步骤和源代码( A STC12C5A60S2 driven by the four common cathode LED electronic clock.)

单片机工程应用中，开机时跑马灯代码，实现五个led的顺序闪烁，可实现运行提示功能(Marquee code)

61509LCD驱动器实现stm32上驱动各种61509驱动器的液晶显示器(61509LCD drive to achieve a variety of 61,509 drivers drive stm32 LCD display)

说明：  用C51编写的程序 很实用 很有参考价值 在此分享(Procedures prepared by C51 is a very practical reference value in this share)

hantek3064仪表上位机监控的示例程序，仅供大家参考(hantek3064 Meter PC monitoring sample program, only for your reference)

借由蓝牙芯片CSR1010（未用蓝牙）实现对气压计BMP180的驱动并显示到1602中，从而能对气压和温度有个环境上的了解。(With the help of bluetooth module CSR1010,of course where I did not ultilize bluetooth function,I achieved the goal of driving the barometer BMP180 besides displaying to LCD1602,thus having a well knowledge of the surroundings.)

用51单片机控制激光测距仪，测出距离并在数码管上显示(MCU control with 51 laser range finder, the distance measured and displayed on digital)