#include <Wire.h>
#include "RTClib.h"
#include "DHT.h"

#define DHTPIN 27
#define DHTTYPE DHT11
#define LDR_PIN 26

DHT dht(DHTPIN, DHTTYPE);
RTC_DS3231 rtc;

void setup() {
  Serial.begin(9600);

  dht.begin();
  rtc.begin();
}

void loop() {

  float temp = dht.readTemperature();
  float hum = dht.readHumidity();

  DateTime now = rtc.now();

  int lightValue = analogRead(LDR_PIN);

  Serial.print(temp);
  Serial.print(",");

  Serial.print(hum);
  Serial.print(",");

  Serial.print(now.hour());
  Serial.print(":");
  Serial.print(now.minute());
  Serial.print(":");
  Serial.print(now.second());
  Serial.print(",");

  Serial.println(lightValue);

  delay(1000);
}