Copy// Set up the servo motor #include <Servo.h> Servo myservo; void setup() { myservo.attach(9); } void loop() { // Make the servo rotate from 0 to 180 degrees, then back for (int i = 0; i < 180; i++) { myservo.write(i); delay(15); } for (int i = 180; i > 0; i--) { myservo.write(i); delay(15); } }