const int LED_PIN =  8;
const int BTN_PIN = 12;

uint32_t DEBOUNCE_TIME = 20;

void setup() {
  Serial.begin(9600);
  pinMode(LED_PIN, OUTPUT);
  pinMode(BTN_PIN, INPUT_PULLUP);
}

void loop() {
  static uint32_t lastTime = 0;
  static bool lastState = HIGH;
  bool currentState = digitalRead(BTN_PIN);
  uint32_t now = millis();

  if (currentState != lastState && now - lastTime >= DEBOUNCE_TIME) {
    if (!currentState) {
      Serial.println("Button pressed!");
      digitalWrite(LED_PIN, !digitalRead(LED_PIN));
    } else {
      Serial.println("Button released!");
    }
    lastTime = now;
    lastState = currentState;
  }
}

/*
// Arduino | bot
// Taming Bouncy Buttons: Understanding Debouncing
// Previous button state
bool lastButtonState = HIGH;
unsigned long lastDebounceTime = 0;
unsigned long debounceDelay = 50; // 50ms

// In your loop():
bool reading = digitalRead(buttonPin);

if (reading != lastButtonState) {
  lastDebounceTime = millis(); // Reset debounce timer
}

if ((millis() - lastDebounceTime) > debounceDelay) {
  // If current reading has been stable for longer than the delay
  if (reading == LOW) { // Assuming button pulls LOW when pressed
    // Button is considered pressed
    // Your action here (e.g., toggle LED, count press)
    // Make sure to only act on state change (e.g. if it *was* HIGH and *is now* LOW)
  }
}
lastButtonState = reading;
*/