#include <Servo.h>
int servoPin=9;
int ledPin=13;
int servoPos=90;
Servo task1;
void setup() {
  Serial.begin(9600);
  task1.attach(servoPin);
  pinMode(ledPin, OUTPUT);
}
void loop() {
   for (int angle = 0; angle <= 180; angle++) {
    task1.write(angle);  // Set the servo to the current angle
    digitalWrite(ledPin, HIGH); // Turn LED on
    delay(15);             // Wait for the servo to reach the position
    digitalWrite(ledPin, LOW);  // Turn LED off
    delay(15);             // Brief delay before the next position
  }

  // Sweep from 180 to 0 degrees
  for (int angle = 180; angle >= 0; angle--) {
    task1.write(angle);  // Set the servo to the current angle
    digitalWrite(ledPin, HIGH); // Turn LED on
    delay(15);             // Wait for the servo to reach the position
    digitalWrite(ledPin, LOW);  // Turn LED off
    delay(15);             // Brief delay before the next position
  }  
}