实验10 按键控制跑马灯

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.)

STM32点阵屏静态显示源码,实现基本的点阵屏显示功能(STM32 lattice screen static display source code, to achieve the basic dot matrix screen display function)

As a multicarrier transmission system Orthogonal frequency division multiplexing (OFDM) has been widely applied in wireless communication systems due to its numerous advantages like robustness against multipath fading and delay, high data rate transmission capability, high spectral efficiency, allows adaptive modulations

说明：  称取食物热量，可以预设单位重量热量值。通过扫描压力传感器信号，实时显示重量及热量(a 51 MCU process weight food calorie)

51单片机液晶12864驱动程序，可以显示数字，中文以及英文字母。( 12864 single-chip LCD driver 51)

波形发生器，无线接收，机械手，马达速度控制，计时器等例程，初学者的好帮手(Waveform generator, wireless receiver, robot, motor speed control, timer routines, good helper for beginners)

说明：  Nhap Nhay Led TFT sang rat dep

飞思卡尔powerPC系列单片机MPC5643L的FlexPWM模块及正弦波产生模块驱动程序，可正常产生2路PWM波，稍加修改，可同时产生多路PWM波，用于电机控制。(Freescale s powerPC MCU MPC5643L, this zip contains drivers for FlexPWM modules and sine wave generation module etc. Tests show that these codes can produce two channels of PWM waves, and only slightly modified, can simultaneously generate multiple PWM waves for motor control using.)

说明：  ADS112C04驱动，可采集电压，产生恒定电流等(ADS112C04 Driver,can Acquisition voltage,and Generating a constant current)

STM32驱动CD4067控制多个红外线进行距离测量(Stm32 drive cd4067 control multiple infrared distance measurement)