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

const int moisturePin = A0; 
const int ledPin = 13;     

const int dryValue = 1023;  
const int wetValue = 300;   

#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

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

  dht.begin();
  

  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, LOW); 
}

void loop() {
  int moistureValue = analogRead(moisturePin);

  
  float moisturePercentage = map(moistureValue, dryValue, wetValue, 0, 100);

  
  float h = dht.readHumidity();
  float temperature = dht.readTemperature();

  if (temperature >= 75.0) {
    digitalWrite(ledPin, HIGH); 
  } else {
    digitalWrite(ledPin, LOW);  
  }


  Serial.print("Moisture: ");
  Serial.print(moisturePercentage, 1);
  Serial.println("%");

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println("°C");

  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.println("%");

  delay(5000); 
}