#include <DHT.h>

#define DHTPIN 2        // Pin where the DHT22 is connected
#define DHTTYPE DHT22   // Type of DHT sensor

#define LDRPIN 34       // Pin where the LDR sensor is connected

DHT dht(DHTPIN, DHTTYPE);

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

void loop() {
  delay(2000);  //Wait for 2 seconds to avoid flooding the serial monitor

  float temperature = dht.readTemperature();  // Read temperature in Celsius
  float humidity = dht.readHumidity();       // Read humidity

  // Check if any reads failed and exit early (to try again)
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  int ldrValue = analogRead(LDRPIN);  // Read LDR sensor value
  float ldrVoltage = ldrValue * (5.0 / 1023.0);  // Convert to voltage

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print(" °C\tHumidity: ");
  Serial.print(humidity);
  Serial.print(" %\tLDR Voltage: ");
  Serial.print(ldrVoltage);
  Serial.println(" V");
}