#include <Servo.h>
Servo servo1;
Servo servo2;
const int switch1 = 2;
void setup(){
  servo1.attach(3);
  servo2.attach(5);
  servo1.write(0);
  servo2.write(0);
  pinMode(switch1, INPUT);
}
void loop(){
  int i;
  int sw = digitalRead(switch1);
  if (sw == HIGH){

      for(i=0; i<=180; i += 2.5){
      servo1.write(i);
      servo2.write(i);
      delay(100);
      }
      for(i=180; i>=0; i -= 2.5){
      servo1.write(i);
      servo2.write(i);
      delay(100);
  }
  }
  else if (sw == LOW) { servo1.write(i);
         servo2.write(i);
  }
}