汽车曲轴和凸轮轴的相位差，转速测量，OCV阀驱动占空比测量-Automotive crankshaft and camshaft phase, speed measurement, OCV Valve Drive Duty Cycle Measurement

利用labiew主程序实现单片机与主机的串口通信，实现温度的采集，然后通过比例积分算法的控制，输出一定占空比的波形驱动电机，实现恒温水箱的控制系统-MCU and host serial communication labiew main program, to achieve the acquisition of temperature, and then through the control of the proportional integral algorithm, the outpu