#include <PID_v1.h>
#include <PID_AutoTune_v0.h>
byte ATuneModeRemember=2;
double input=80, output=50, setpoint=180;
double kp=2,ki=0.5,kd=2;
double kpmodel=1.5, taup=100, theta[50];
double outputStart=5;
double aTuneStep=50, aTuneNoise=1, aTuneStartValue=100;
unsigned int aTuneLookBack=20...