#define BUTTON_PIN 2
#define SERIAL_BAUD 115200

bool lastState = HIGH;

void setup() {
  pinMode(BUTTON_PIN, INPUT_PULLUP);
  Serial.begin(SERIAL_BAUD);

  Serial.println("=============================");
  Serial.println("Raw Bounce Test");
  Serial.println("=============================");
}

void loop() {
  bool currentState = digitalRead(BUTTON_PIN);

  if (currentState != lastState) {
    Serial.print(millis());
    Serial.print(" RAW: ");
    Serial.println(currentState);
    Serial.println(currentState == LOW ? "ON" : "OFF");
    lastState = currentState;
  }
}