#include <ESP32Servo.h>

#define servo 26
#define led 25
#define botao 27

Servo servoMotor;

void setup() {
  servoMotor.attach(servo);
  pinMode(led, OUTPUT);
  pinMode(botao, INPUT_PULLUP);
}

void loop() {
  int buttonState = digitalRead(botao);

  if (buttonState == LOW) {
    for (int pos = 0; pos <= 180; pos += 1) {
      servoMotor.write(pos);
      delay(15);
      if (pos == 90) {
        digitalWrite(led, HIGH); 
      }
    }

    for (int pos = 180; pos >= 0; pos -= 1) {
      servoMotor.write(pos);
      delay(15);
      if (pos == 90) {
        digitalWrite(led, HIGH); 
      }
    }
    digitalWrite(led, LOW); 
  }
}