int ledPin = 23;
int valPin = 0;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(ledPin, OUTPUT);
}

void loop() {
    // put your main code here, to run repeatedly:
  Serial.println(sqrt(64));
  digitalWrite(ledPin, HIGH);
    valPin = digitalRead(ledPin);

  Serial.println("Ligado:" + String(valPin == 1 ? "ON" : "OFF"));
  delay(300);

  digitalWrite(ledPin, LOW);
      valPin = digitalRead(ledPin);

    Serial.println("Ligado:" + String(valPin == 1 ? "ON" : "OFF"));
    
  delay(300);
}