#include <Servo.h>

Servo myServo[1];
int i;
void setup() {
  // put your setup code here, to run once:
  myServo [1].attach (6);
  Serial.begin (9600);

}

void loop() {
  // put your main code here, to run repeatedly:
 
  for (i=0; i<=179;i++)
  {
     myServo[1].write(i);
     delay (13);
  }
  for (i=179; i>=0; i--)
   {
     myServo[1].write(i);
     delay (13);
  }
}