#define LDR_PIN 2
#include <LiquidCrystal_I2C.h>
#include <ArduinoJson.h>
DynamicJsonDocument doc(1024);
byte sensorPin = 14;
const int tempPin = 12;
String abc;

LiquidCrystal_I2C lcd(0x27, 20, 4);
void setup() 
{
  Serial.begin(115200);
  pinMode(LDR_PIN, INPUT);
  pinMode(sensorPin, INPUT);
  lcd.init();
  lcd.backlight();
}
void loop() 
{
  String JsonData;
  int sensorValue = digitalRead(sensorPin);
  int adc = analogRead(tempPin);
  const float BETA = 3950.0; // should match the Beta Coefficient of the thermistor
  float temp = 1 / (log(1 / (4096.0 / adc - 1)) / BETA + 1.0 / 298.15) - 273.15;
  if (digitalRead(LDR_PIN) == LOW) 
  {
    abc="Light";
  } 
  else 
  {
    abc="Dark ";
  }
  lcd.setCursor(0,0);
  lcd.print("M_S: ");
  lcd.print(sensorValue);

  lcd.setCursor(0,1);
  lcd.print("Temp: ");
  lcd.print(temp);

  lcd.setCursor(0,2);
  lcd.print("Room Status: ");
  lcd.print(abc);



  doc["Motion Sensor"] = sensorValue;
  doc["Temperature Sensor"] = temp;
  doc["Light Sensor"] = abc;

  serializeJson(doc, JsonData);
  Serial.println(JsonData);

  delay(1000);
  
}