/*
  Activity 2: Button Control
  Purpose: Turn the LED on/off by pressing a button
  When button is pressed → LED turns ON
  When button is released → LED turns OFF
  
  Components:
  - ESP32 Dev Module
  - Push button connected to GPIO 5
  - LED connected to GPIO 18
*/

#define BOTON 5
#define LED 18

void setup() {
  pinMode(BOTON, INPUT_PULLUP); 
  pinMode(LED, OUTPUT);
  digitalWrite(LED, LOW);
}

void loop() {
  int estadoBoton = !digitalRead(BOTON);
  if (estadoBoton == LOW) {
    digitalWrite(LED, HIGH);  // Turn LED ON
  } else {
    digitalWrite(LED, LOW);   // Turn LED OFF
  }
}