#include <Wire.h>
#include <Adafruit_MPU6050.h>
#include <Adafruit_Sensor.h>

Adafruit_MPU6050 mpu;

const int ledPin = 13;
const int buzzerPin = 12;

void setup() {
  Serial.begin(115200);
  
  pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);

  // Initialize MPU6050
  if (!mpu.begin()) {
    Serial.println("Failed to find MPU6050 chip");
    while (1) {
      delay(10);
    }
  }
  
  mpu.setAccelerometerRange(MPU6050_RANGE_2_G);
  mpu.setGyroRange(MPU6050_RANGE_250_DEG);
  mpu.setFilterBandwidth(MPU6050_BAND_21_HZ);
  
  Serial.println("MPU6050 Initialized!");
}

void loop() {
  /* Get new sensor events with the readings */
  sensors_event_t a, g, temp;
  mpu.getEvent(&a, &g, &temp);

  // Print accelerometer values
  Serial.print("Accelerometer X: "); Serial.print(a.acceleration.x); Serial.print(" m/s^2, ");
  Serial.print("Y: "); Serial.print(a.acceleration.y); Serial.print(" m/s^2, ");
  Serial.print("Z: "); Serial.println(a.acceleration.z); Serial.print(" m/s^2");

  // Vibration detection (adjust threshold as needed)
  if (abs(a.acceleration.x) > 2.0 || abs(a.acceleration.y) > 2.0 || abs(a.acceleration.z) < 8.0) {
    Serial.println("Vibration/Collapse Detected!");
    digitalWrite(ledPin, HIGH);  // Turn on LED
    tone(buzzerPin, 1000, 500); // Sound alarm
  } else {
    digitalWrite(ledPin, LOW);  // Turn off LED
  }

  delay(500);
}