lesson18_1

单片机发出pwm波并ADC采样，。。利用pid调节占空比(Microcontroller sends out PWM wave and ADC sampling)

基于51单片机控制的时间继电器C源程序，调试OK，请放心使用哦(MCU controlled relay)

激光切割上位机源码，生成NC刀路，不含NC扩展插件。(Laser cutting the host computer source code, generate NC knife road)

基于AD8402的数字电位器，可以拟补模拟电位器进度不够的缺陷，从而提高系统的精度(AD8402 based on the digital potentiometer, can fill to simulate the defects, schedule enough potential to improve precision of the system)

说明：  该程序能够用库函数简洁的实现红外遥控的实验(The program can succinctly realize infrared remote control experiment with library function.)

The maximum number of bytes that can be read from the stream.

此程序用于430单片机，通过单片机采样波形，再对此波形进行快速傅里叶变换，并将变换的结果用12864显示出来(This program is used 430 microcontroller, through the microcontroller sampled waveform, then this waveform fast Fourier transform, and the result of the transformation is displayed with 12864)

利用ATMEGA32设计的温控表，具有通过RS232接口与上位机通讯的功能，设定目标温度后程序通过设定的PID值进行温控，使得温度快速接近设定值。(Use the ATMEGA32 design temperature controller, PID values ​ ​ set temperature control via RS232 interface with PC communication function, set the target temperature program, rapid temperature close to the set value.)

说明：  STM32F407示波器的设计，程序仅供参考(STM32F407 oscilloscope)

LPC210X 定时器与串口通讯驱动源码(LPC210X timers and serial communication driver source code)