#include <DHT.h>
#define DHTPIN 22
#define BUZZER_PIN 34
#include <Stepper.h>


//the sensor
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);




float t;

// Define the stepper motor pins for the two motors
#define STEPPER1_PIN1 19
#define STEPPER1_PIN2 18
#define STEPPER1_PIN3 5
#define STEPPER1_PIN4 17

#define STEPPER2_PIN1 16
#define STEPPER2_PIN2 4
#define STEPPER2_PIN3 0
#define STEPPER2_PIN4 2

// Stepper motor steps per revolution
#define STEPS_PER_REVOLUTION 2048  // Adjust this based on your motor specifications

// Create Stepper objects for the two motors
Stepper motor1(STEPS_PER_REVOLUTION, STEPPER1_PIN1, STEPPER1_PIN2, STEPPER1_PIN3, STEPPER1_PIN4);
Stepper motor2(STEPS_PER_REVOLUTION, STEPPER2_PIN1, STEPPER2_PIN2, STEPPER2_PIN3, STEPPER2_PIN4);


void setup() {
  // Begin serial communication at a baud rate of 9600:
  Serial.begin(115200);

 // Set the motor speed (rpm)
  motor1.setSpeed(15);  // 15 RPM for motor 1
  motor2.setSpeed(15);  // 15 RPM for motor 2
}

void loop() {
  // Read temperature and humidity from DHT22
    float t = dht.readTemperature();
// Serial.print("h=");Serial.print(h,1);Serial.print("\t");
  Serial.print("TEMPERATURE DETECTED: ");
  Serial.print("temperature=");Serial.println(t,1);
  delay(2000); //Collecting period should be : >1.7 second

 

  // If the temperature exceeds 40°C, rotate motors and activate the buzzer
  if (t >= 40) {
    // Rotate both motors (for biaxial movement)
    Serial.println("Temperature is high! Rotating motors...");

    // Rotate motor 1 (X-axis)
    motor1.step(2048);  // Rotate 1 full revolution (adjust as needed)

    // Rotate motor 2 (Y-axis)
    motor2.step(2048);  // Rotate 1 full revolution (adjust as needed)

    // Activate Buzzer to warn user
    digitalWrite(BUZZER_PIN, HIGH);
    delay(1000);  // Buzzer sound duration
    digitalWrite(BUZZER_PIN, LOW);
  }
}