#include <Stepper.h>
const int stepsPerRevolution = 0;
const int stepsPerRevolution2 = 0;
int valeur = 0;
int valeur2 = 0;
Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);
Stepper myStepper2(stepsPerRevolution2, 3, 4, 5, 6);
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  myStepper.setSpeed(20);
  myStepper2.setSpeed(20);
  
}

void loop() {
  // put your main code here, to run repeatedly:
  float VoutN = (analogRead(A0)*5)/1023.0;
  float VoutS = (analogRead(A1)*5)/1023.0;
  float VoutE = (analogRead(A2)*5)/1023.0;
  int difNS = VoutN - VoutS;
  int difNE = VoutN - VoutE;

  if (abs(difNE) > 0.1 and VoutN < VoutE and valeur2<200){
    myStepper2.step(1);
    valeur2 = valeur2 + 1;
    delay(100);
  }
  else if(abs(difNE) > 0.1 and VoutN >= VoutE and valeur2>0){
    myStepper2.step(-1);
    valeur2 = valeur2 - 1;
    delay(100);
  }
  if (abs(difNS) > 0.1 and VoutN < VoutS and valeur<200){
    myStepper.step(1);
    valeur = valeur + 1;
    delay(100);
  }
  else if(abs(difNE) > 0.1 and VoutN >= VoutS and valeur>0){
    myStepper.step(-1);
    valeur = valeur - 1;
    delay(100);
  }
}