#include "Servo.h"
Servo servo;

void setup() {
// put your setup code here, to run once:
  servo.attach(8);
  servo.write(0);
  delay(2000);
}

void loop() {
// put your main code here, to run repeatedly:
  servo.write(0); //angle of gear
  delay(1000);
  servo.write(90);
  delay(1000);
}