#include <Servo.h>

Servo myServo[1];
int i;
void setup() {
  // put your setup code here, to run once:
  myServo [1].attach (9);
  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
  for(i=0; i<=179; i++)
  {
    myServo[1].write(i);
    delay(50);
  }
  for(i=179; i>=0; i--)
  {
    myServo[1].write(i);
    delay(25);
  }

}