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根据对应的按键值，对应输出相应的电容值，并做掉电检测(According to the corresponding key value, corresponding to the output of the corresponding capacitance values ​ ​ and do brownout detection)

使用51单片机控制LED灯，实现交通灯功能。(The use of 51 single-chip computer to control the LED lights to achieve the function of traffic lights.)

说明：  运用MATLAB编程，制作属于自己的时钟，高逼格记录时间的流逝(Using MATLAB programming to make their own clocks and record the passage of time with high-precision grids~)

TTP913C Lcd Driver Demo Use C8051F330

说明：  使用STM32的普通引脚软件模拟SPI通信，通过软件SPI操作WQ2516，已测试验证过！(Using STM32's general pin software to simulate SPI communication and operate WQ2516 through software SPI, it has been tested and verified.)

endat2.1数据接口的编码器，接口定义明确，便于编程人员的编程(Endat2.1 encoder data interface, the interface definition is clear, easy to programming programming)

说明：  STM32关于体温传感器hal库的说明以及源码和用例实例(STM32 About Hal Library of Body Temperature Sensor)

BISS-B 源代码。包含传感器模式和寄存器模式(BISS-B source code. Includes sensor mode and register mode)

STM32F407信号发生器输入一个正弦波，AD采样，DA输出，系统频率应该是输入的波形的频率的10倍以上保证输出波形的完整性，系统的输出频率可以使用示波器测试出。(Stm32f407 signal generator input a sine wave, AD sampling, Da output and system frequency should is 10 times the frequency of the input waveform to guarantee that the above output waveform of integrity, the output frequency of the system can use oscilloscope to test out. )

stm32驱动WS2812b实现等带的各种运动(stm32 device WS2812b)