#include <Servo.h>
#define GREEN_PIN 4
#define RED_PIN 5
Servo myServo;
void setup() {
myServo.attach(3);

}

void loop() {
myServo.write(0);
delay(300);
myServo.write(30);
delay(300);
myServo.write(60);
delay(300);
myServo.write(90);
delay(300);
myServo.write(120);
delay(300);
myServo.write(150);
delay(300);
myServo.write(180);
delay(300);
myServo.write(0);
delay(300);
}