/*
    Control PID
*/

#include <PID_v1.h>

const int SENSOR = A0;
const int SALIDA = 3;

//Define Variables we'll be connecting to
double setPoint, input, output;

//Specify the links and initial tuning parameters
double Kp=2, Ki=5, Kd=1;
PID myPID(&input, &output, &setPoint, Kp, Ki, Kd, DIRECT);

void setup() 
{
  //initialize the variables we're linked to
  input = analogRead(SENSOR);
  setPoint = 100;

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

  Serial.begin(9600);

}

void loop() {

  input = analogRead(SENSOR);
  myPID.Compute();
  analogWrite(SALIDA, output);
  Serial.print("SetPoint: ");
  Serial.print(setPoint);
  Serial.print("\tInput: ");
  Serial.print(input);
  Serial.print("\tOutput: ");
  Serial.println(output);
}
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