void loop() {
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
digitalWrite(4,HIGH);
if(digitalRead(button1Pin)==0&&!b1b){
   b1b=true;
}
hasObstacle = digitalRead(obstaclePin);
if(b1b){
  Serial.println("Motor 1");
  myStepper.step(1);
  digitalWrite(6,HIGH);
  if(digitalRead(obstaclePin)==0){
    digitalWrite(6,LOW);
    b1b=false;
  }
 }
 hasObstacle2 = digitalRead(obstaclePin2);
 if(digitalRead(button2Pin)==0&&!b2b)
   b2b=true;
 if(b2b){
    Serial.println("Motor 2");
    myStepper2.step(1);
    digitalWrite(5,HIGH);
    if(digitalRead(obstaclePin2)==0){
      digitalWrite(5,LOW);
      b2b=false;
    }
}
hasObstacle3 = digitalRead(obstaclePin3);
if(digitalRead(button3Pin)==0&&!b3b)
  b3b=true;
if(b3b){
  Serial.println("Motor 3");
  myStepper3.step(1);
  digitalWrite(5,HIGH);
  if(digitalRead(obstaclePin3)==0){
    b3b=false;
    digitalWrite(5,LOW);
  }
 }
}