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	- Project: "Temperature Control"
	- Source Code compiled for: Arduino Uno
	- Source Code created on: 2024-01-02 09:16:10

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* Read temperature and humidity. Turn on fan when */
	/* temperature rises above 28 degrees */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h>
#include <DHT.h>

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t Temp_DHT11_DOUT_PIN_D2 = 2;
const uint8_t Fan_PIN = 3;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
DHT dht(Temp_DHT11_DOUT_PIN_D2, DHT11);

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(Temp_DHT11_DOUT_PIN_D2, INPUT_PULLUP);
  pinMode(Fan_PIN, OUTPUT);
  dht.begin();
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

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

  // Print temperature and humidity values.
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print("%\t");
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println("°C");

  // Check if temperature is above 28 degrees and turn on the fan.
  if (temperature > 28) {
    digitalWrite(Fan_PIN, HIGH);
  } else {
    digitalWrite(Fan_PIN, LOW);
  }

  delay(2000);
}