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51单片机的4x4键盘扫描c语言程序，大家看看，(51 single-chip 4x4 keypad scan, we look)

基于stm32的红外遥控器程序资料源码 (stm32 control)

一个典型的Select IO 模型实例源代码，供大家参考使用，要下从速！(A typical model Select IO source code examples for your use and reference to the next as soon as possible!)

模拟了现实中的示波器，可以滚动显示波形，动态显示，属性振幅都可以改变 实用性 比较好 (Simulated reality oscilloscope, you can scroll waveform display, dynamic display, amplitude attribute can be changed relatively good practicality)

51单片机 做一个简易的存储示波器的程序清单(51 single-chip storage oscilloscope with a simple list of procedures)

说明：  使用于ＡＶＲ单片机的几种Ｃ语言，大家可以参考一下，以便以后在ＡＶＲ的程序编写中提高自己(used in the AVR several C language, we can make reference to the AVR after the procedure to improve their writing)

不错的拓普微3.5寸LCD显示屏驱动代码，可以参考(Good TOPWAY 3.5-inch LCD display driver code, you can refer to it)

自绘的滑块控件。显示进度等信息。。汽车仪表(Since the painting of the slider control. Display progress and other information. . Auto Meter)

通过RS485端口不停地发送数据0xaa用示波器观察RS485端口A、B信号线上的波形或者用RS485接收器接收发送的字符。(Through the RS485 port to send data continuously 0xaa observed with an oscilloscope RS485 ports A, B signal waveforms or use the RS485 line receiver sends characters.)

实现交通灯南北东西方向红灯、绿灯和黄灯的交替变化。(Traffic lights )