examples

51单片机的pid程序，设定上下限，控制pwm的输出。(51 MCU pid procedures set upper and lower limits, control pwm output.)

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.)

数字电压计测电压频率。2015年电赛，精度高，易实现(The digital voltage measures the voltage frequency. 2015 electric competition, high precision, easy to achieve)

MLX90614红外传感器STM32程序驱动(MLX90614 infrared sensor drive)

Microchip公司的一款EEPROM芯片24LC1024的源程序，包括EEPROM的读和写 (Microchip EEPROM chip 24LC1024 a company source, including EEPROM read and write)

J1939在S32单片机上的实现，采用C语言的完整代码，含例子。(Implementation of J1939 on S32 MCU)

基于51单片机的按键例程，常见问题： 1. 按键无反应 请您确认程序是否下载成功，连线正确无误，确认无误后还是无效果的话，将排线重新插拔下，单片机拿下来重新安装，重启开发板试试！(Key routines based on 51 single chip microcomputer,common problems: 1. Press the key and no response. Please confirm whether the program was downloaded successfully and the connection is correct. If it is still ineffective after confirmation, plug and unplug the cable again, take down the MCU and reinstall it. Restart the development board to try!)

基于STM32F407 的视频播放器程序(Video player program based on STM32F407)

无线蓝牙手机遥控小车源程序,将程序下载到单片机，在手机中安装上位机软件，打开手机蓝牙与小车蓝牙模块连接。(remote control of Bluetooth wireless )

DHT11的C51驱动程序，4位数码管可以显示温度和湿度，带一触发按键(DHT11 C51 driver, four digital tube can display temperature and humidity, with a trigger button)