#include <Servo.h>

int servoPin = 5;  // Pin for the servo motor
Servo myServo;            // Create a Servo object

void setup() {
  myServo.attach(servoPin); // Attach the servo to the specified pin
}

void loop() {
  // Sweep from 0 to 90 degrees
  for (int pos = 0; pos <= 90; pos++) {
    myServo.write(pos);       // Set the servo position
    delay(15);                // Wait for the servo to reach the position
  }

  // Sweep from 90 to 0 degrees
  for (int pos = 90; pos >= 0; pos--) {
    myServo.write(pos);       // Set the servo position
    delay(15);                // Wait for the servo to reach the position
  }
}