#include <Servo.h>

Servo myservo,myservo1,myservo2;

int pos = 0;
void setup() {
  // put your setup code here, to run once:
myservo.attach(9),
myservo1.attach(6);
myservo2.attach(11);

}

void loop() {
  // put your main code here, to run repeatedly:
for (pos = 0; pos <= 180; pos +=1){
  myservo.write(pos);
  myservo1.write(pos);
  myservo2.write(pos);
  delay(15);
}
/*
for (pos = 180; pos >= 0; pos -=1){
  myservo1.write(pos);
  delay(1);
}
for (pos = 180; pos >= 0; pos -=1){
  myservo2.write(pos);
  delay(1);
}
*/
}