#include <Wire.h>
#include <MPU6050.h>
#include <HX711.h>

MPU6050 mpu;
HX711 scale;

const int ledPin = 13;
const int buzzerPin = 9;
const int buttonPin = 6;

bool buttonPressed = false;

void setup() {
  Serial.begin(9600);
  mpu.initialize();
  scale.begin(A2, A3);
  pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
  pinMode(buttonPin, INPUT_PULLUP);
}

void loop() {
  // Read accelerometer data
  int16_t ax, ay, az;
  mpu.getAcceleration(&ax, &ay, &az);

  // Read load cell data
  float weight = scale.get_units();

  // Check for fall condition
  if (az < -8000 && weight < 10.0) { // Replace 10.0 with your threshold weight
    // Fall detected
    digitalWrite(ledPin, HIGH);
    tone(buzzerPin, 1000); // Activate buzzer
    delay(1000);          // Buzzer on for 1 second
    noTone(buzzerPin);    // Turn off buzzer
    digitalWrite(ledPin, LOW);
    // Add any other necessary actions
  }

  // Check if the pushbutton is pressed
  if (digitalRead(buttonPin) == LOW) {
    if (!buttonPressed) {
      // Perform actions when the button is pressed (e.g., reset, acknowledge)
      // Add your button-triggered actions here
      buttonPressed = true;
    }
  } else {
    buttonPressed = false;
  }

  delay(1000); // Adjust delay as needed
}