#include <Servo.h>

const 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 in 45-degree increments
  for (int pos = 0; pos <= 180; pos += 45) {
    myServo.write(pos);       // Set the servo position
    delay(1000);              // Wait for 1 second to hold the position
  }

  // Sweep back from 90 to 0 degrees in 45-degree increments
  for (int pos = 180; pos >= 0; pos -= 45) {
    myServo.write(pos);       // Set the servo position
    delay(1000);              // Wait for 1 second to hold the position
  }
}