#include <Servo.h>
Servo myservo;
int pos = 0;
void setup() {
myservo.attach(9);
}
void loop() {
for (pos = 0; pos <= 180; pos += 1) {
// in steps of 1 degree
myservo.write(pos);
delay(10);
}
delay(5000);
for (pos = 180; pos >= 0; pos -= 1) {
myservo.write(0);
delay(10);
}
}