int pirPin = 34; //

void setup() {

  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  pinMode(pirPin, INPUT);
}

void loop() {

  delay(10);

  int motionDetected = digitalRead(pirPin);
  
  if (motionDetected == HIGH) {
    Serial.println("Motion detected!");
  } else {
    Serial.println("No motion.");
  }

  delay(1000); 
}