#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define POTENTIOMETER A0 // Simulating Accelerometer
#define LED 4
#define BUZZER 5

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
    Serial.begin(115200);

    lcd.init();
    lcd.backlight();
    lcd.setCursor(0, 0);
    lcd.print("Patient Monitor");
    
    pinMode(POTENTIOMETER, INPUT);
    pinMode(LED, OUTPUT);
    pinMode(BUZZER, OUTPUT);
}

void loop() {
    int sensorValue = analogRead(POTENTIOMETER);
    float fallValue = sensorValue * (3.3 / 4095.0); // Convert to voltage

    Serial.print("Sensor Value: ");
    Serial.println(fallValue);
    
    if (fallValue < 1.0) {  // Simulating a fall event
        Serial.println("Fall Detected!");
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("FALL DETECTED!");
        
        digitalWrite(LED, HIGH);
        digitalWrite(BUZZER, HIGH);
        delay(5000);
        
        digitalWrite(LED, LOW);
        digitalWrite(BUZZER, LOW);
    } else {
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("Monitoring...");
    }

    delay(1000);
}