Arduino Code v1

#include "DHT.h"

#define DHTPIN 2       // Pin connected to the DHT sensor
#define DHTTYPE DHT11  // DHT 22 (AM2302)
#define MOTORPIN 8     // Pin connected to the motor

// Initialize DHT sensor
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  Serial.println();
  Serial.println("Status\tHumidity (%)\tTemperature (C)\t(F)");

  // Initialize the DHT sensor
  dht.begin();

  // Set motor pin as OUTPUT
  pinMode(MOTORPIN, OUTPUT);
  digitalWrite(MOTORPIN, LOW); // Ensure motor is off initially
}

void loop() {
  // Read humidity and temperature
  float hum = dht.readHumidity();
  float temp = dht.readTemperature();

  // Check if any reads failed
  if (isnan(hum) || isnan(temp)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Print the values to the serial monitor
  Serial.print("Humidity: ");
  Serial.print(hum);
  Serial.print(" %, Temp: ");
  Serial.print(temp);
  Serial.println(" Celsius");

  // Control the motor based on temperature
  if (temp > 30) {
    digitalWrite(MOTORPIN, HIGH); // Turn the motor ON
    Serial.println("Motor: ON");
  } else {
    digitalWrite(MOTORPIN, LOW);  // Turn the motor OFF
    Serial.println("Motor: OFF");
  }

  delay(2000);  // Wait a few seconds between readings
}