#include <Servo.h>
Servo servo1;
#define servo 9 
int minimo = 500;
int maximo = 2400;

void setup() {
servo1.attach(servo, minimo, maximo);
Serial.begin(9600);

}

void loop() {
servo1.write(0);
delay(3000);
servo1.write(180);
delay(3000);
}