void setup() {
myservo.attach(9); //link the servo to digital port 9
}
void loop () {
//rotate from 0 degree to 180 degrees
for (int i = 0; i < 180; i++) {
myservo.write(i);
delay(20);
}
delay(1000); //wait for 1s
//rotate from 180 degree to 0 degree
for (int i = 180; i > 0; i--) {
myservo.write(i);
delay(20);
}
delay(1000); //wait for 1s
}
//***********************************************************************