#define LED 14
#define BUTTON 19

void IRAM_ATTR triggerLed() {
  digitalWrite(LED, !digitalRead(LED));
}


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32-S3!");
  pinMode(LED, OUTPUT);
  pinMode(BUTTON, INPUT);
  attachInterrupt(BUTTON, triggerLed, RISING);
}

void loop() {
  
  delay(10);

}