Smart Gardening rev_01

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    - Project: Smart Gardening
    - Source Code NOT compiled for: Arduino Uno
    - Source Code created on: 2024-04-21 23:58:29

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* I need that when the sensor detects a certain */
    /* humidity it will water my plants. */
/****** END SYSTEM REQUIREMENTS *****/

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

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

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t DHTPIN = 2;
const uint8_t DHTTYPE = DHT22; // Define the type of DHT sensor (DHT11, DHT22, etc.)

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
DHT dht(DHTPIN, DHTTYPE);

void setup(void)
{
  // put your setup code here, to run once:
  Serial.begin(9600);
  dht.begin();
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  delay(dht.getMinimumSamplingPeriod());

  sensors_event_t event;

  dht.temperature().getEvent(&event);
  if (isnan(event.temperature))
  {
    Serial.println(F("Error reading temperature!"));
  }
  else
  {
    Serial.print(F("Temperature: "));
    Serial.print(event.temperature);
    Serial.println(F("°C"));

    // Check if the humidity is above a certain threshold to water the plants
    if (event.relative_humidity > 60) // Adjust the threshold value as needed
    {
      // Water the plants
      Serial.println(F("Watering the plants!"));
    }
  }

  dht.humidity().getEvent(&event);
  if (isnan(event.relative_humidity))
  {
    Serial.println(F("Error reading humidity!"));
  }
  else
  {
    Serial.print(F("Humidity: "));
    Serial.print(event.relative_humidity);
    Serial.println(F("%"));
  }
}