const int montee = 3;
const int descente = 5;
const int avant = 6;
const int ariere = 9;
const int gauche = 10;
const int droite = 11;
const int bypass = 12;

const int POTLEVAGE = A0;
const int POTMATAGE = A1;
const int POTTDL = A2;

int val_montee = 0;
int val_descente = 0;
int val_avant = 0;
int val_ariere = 0;
int val_gauche = 0;
int val_droite = 0;
int val_POTLEVAGE = 512;
int val_POTMATAGE = 512;
int val_POTTDL = 512;
int val_bypass = 0;

int hysteresis = 150;

void setup(){
  pinMode(montee, OUTPUT);
  pinMode(descente, OUTPUT);
  pinMode(avant, OUTPUT);
  pinMode(ariere, OUTPUT);
  pinMode(gauche, OUTPUT);
  pinMode(droite, OUTPUT);
  pinMode(bypass, OUTPUT);
}
void loop(){


  val_POTLEVAGE = analogRead(POTLEVAGE);
  if(val_POTLEVAGE < 512-hysteresis){
    val_descente = map(val_POTLEVAGE,512,0,0,255);
    val_bypass = HIGH;
    analogWrite(descente, val_descente);
    digitalWrite(bypass, val_bypass);
    }
    else if (val_POTLEVAGE>512+hysteresis){
      val_montee = map(val_POTLEVAGE, 512,1024,0,255);
      val_bypass = HIGH;
      analogWrite(montee, val_montee);
      digitalWrite(bypass, val_bypass);}
      else {
        val_bypass = LOW;
        analogWrite(descente,0);
        analogWrite(montee,0);
        digitalWrite(bypass, val_bypass);}

  val_POTMATAGE = analogRead (POTMATAGE);
  if(val_POTMATAGE < 512-hysteresis){
    val_ariere = map(val_POTMATAGE,512,0,0,255);
    val_bypass = HIGH;
    analogWrite(ariere, val_ariere);
    digitalWrite(bypass, val_bypass);
    }
    else if (val_POTMATAGE>512+hysteresis){
      val_avant = map(val_POTMATAGE, 512,1024,0,255);
      val_bypass = HIGH;
      analogWrite(avant, val_avant);
      digitalWrite(bypass, val_bypass);}
      else {
        val_bypass = LOW;
        analogWrite(ariere,0);
        analogWrite(avant,0);
        digitalWrite(bypass, val_bypass);}

  val_POTTDL = analogRead (POTTDL);
  if(val_POTTDL < 512-hysteresis){
    val_gauche = map(val_POTTDL,512,0,0,255);
    val_bypass = HIGH;
    analogWrite(gauche, val_gauche);
    digitalWrite(bypass, val_bypass);
    }
    else if (val_POTTDL>512+hysteresis){
      val_droite = map(val_POTTDL, 512,1024,0,255);
      val_bypass = HIGH;
      analogWrite(droite, val_droite);
      digitalWrite(bypass, val_bypass);}
      else{
        val_bypass = LOW;
        analogWrite(gauche,0);
        analogWrite(droite,0);
        digitalWrite(bypass, val_bypass);}

      }