#include <Servo.h>

int servoPin = 10;
int servoPos = 90;
int servoPos2 = 0;
int servoPos3 = 45;
Servo myServo;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
myServo.attach(servoPin);
}

void loop() {
  // put your main code here, to run repeatedly:
myServo.write(servoPos);
delay(1000);
myServo.write(servoPos2);
delay(1000);
myServo.write(servoPos3);
delay(1000);
}