/********************************************************
   PID Basic Example
   Reading analog input 0 to control analog PWM output 3
 ********************************************************/

#include <PID_v1_bc.h>

//Define Variables we'll be connecting to
double Setpoint, Input, Output;

//Specify the links and initial tuning parameters
PID myPID(&Input, &Output, &Setpoint, 20, 0.2, 1, DIRECT);

void setup()
{
  Serial.begin(115200);
  //initialize the variables we're linked to
  Input = 30;
  Setpoint = 66;

  //turn the PID on
  myPID.SetMode(AUTOMATIC);
}

void loop()
{
  myPID.Compute();
  analogWrite(3, Output);
  Serial.print(Input);
  Serial.print("   ");
  Serial.println(Output);
  Input = Input + 1;
  delay(100);
}