hyplas

说明：  基于STM32F407的LED音乐频谱，AD+DMA采集音乐信号，利用FFT运算得出音乐频谱，通过10*8的LED点阵显示的音乐频谱单片机代码(Based on the LED music spectrum of STM32F407, AD+DMA collects the music signal, obtains the music spectrum by FFT operation, and displays the music spectrum code by 10*8 LED dot matrix.)

三角波、锯齿波、正弦波、方波信号产生器，易于移植(The triangle wave, sawtooth, sine wave signal generator, Fang Bo, easy to transplant)

说明：  基于无人机，组合导航实现联邦滤波器。代码(UAV-based, integrated navigation filter to achieve Federation. Code)

说明：  此程序是使用ADXL345三轴重力传感器和433超再生无线模块结合，在重力感应下，通过发射模块将方向信号发射给接受模块，从而控制小车的方向。(This program uses adxl345 three-axis gravity sensor and 433 super regeneration wireless module. Under the gravity induction, the direction signal is transmitted to the receiving module through the transmitting module, so as to control the direction of the car.)

在stm32f103zet6下的485总线通讯加modbus协议(485 bus communication and Modbus protocol under stm32f103zet6)

说明：  停车场管理系统，用于课程设计，仿真现有停车场工作，实现停车数量管理等功能(Parking management system)

STM32单片机的PID算法实例，通过PID算法控制STM32的PWM输出，反馈量是PWM低通滤波后得到的AD(STM32 microcontroller PID algorithm instance, through the STM32 PID algorithm to control the PWM output, PWM amount of feedback is obtained after low-pass filter AD)

State of differentiator in the lowest.

语音电子门锁C语言程序，STC89C51D+ISD4002应用(Voice electronic lock C language program, STC89C51D+ ISD4002 application)

4*4键盘课件，包含电路图，教学方法、教学目标(4* 4 keyboard courseware, including circuit)