//brown wire of servo motor - ground
//red wire of servo motor - 5v
//orange wire of servo motor - any pwm pin (in this case it is 9)
#include <Servo.h>
Servo myservo;
int pos =0;


void setup() {
  // put your setup code here, to run once:
  myservo.attach(9);
}

void loop() {
  // put your main code here, to run repeatedly:
  for(pos =0; pos <=90; pos +=1)
  {
    myservo.write(pos);
    delay(15);
  }
  for(pos =90; pos>=0; pos -=1)
  {
    myservo.write(pos);
    delay(15);
  }
}