Internet of Things

//#include <Wire.h>
//#include <SPI.h>
//#include <Adafruit_BMP280.h>

#include <dht.h>

dht DHT;

#define DHT11_PIN 46// temperature and humidity
int moisture_sensorpin = A0; //initialised sensorpin
int led_pin = 12; //initialised ledpin
int waterpump_pin = 7; //initialised motorpin

int ldrpin1 = A1; //initialised ldrpin
int ldrpin2 = A2; //Garden light intensity

int green_led = 13; //initialised emergency led pin

int rainsensor_pin = A3; //initialised rain detection

int gassensor_pin = A15;  //initialised gas detection 

int trig_pin = 52; //initialised ultrasonic protection
int echo_pin = A5;
int buzzer_pin = 53;

//#define BMP_SCL 21
//#define BMP_SDA 20
//
//Adafruit_BMP280 bme;


void setup() {
  pinMode(moisture_sensorpin, INPUT); //Specifying the declaration of pin to I/O
  pinMode(waterpump_pin, OUTPUT);
  pinMode(led_pin, OUTPUT);
  pinMode(ldrpin1, INPUT);
  pinMode(ldrpin2, INPUT);
  pinMode(green_led, OUTPUT);
  
  pinMode(trig_pin, OUTPUT);
  pinMode(echo_pin, INPUT);
  pinMode(buzzer_pin, OUTPUT);

  pinMode(rainsensor_pin, INPUT);
  pinMode(gassensor_pin, INPUT);

  Serial.begin(9600); //Serial communication speeds

  digitalWrite(waterpump_pin, HIGH);
  
}

void Garduino_Protocol() {
  
    Serial.print("Welcome to garduino the autonomous caretaker ");   // Serial statements to be printed on the serial monitor for intro
    Serial.println("of plants !!!");
    Serial.println("");
    delay(1000);
    Serial.println("Today we are going to measure the following qualities for the growth of plants :");
    delay(1000);
    Serial.println("Temperature");
    delay(1000);
    Serial.println("Humidity");
    delay(1000);
    Serial.println("Soil moisture");
    delay(1000);
    Serial.println("Light intensity");
    delay(1000);
    Serial.println("Rain sensing");
    delay(1000);
    Serial.println("Gas sensing");
    delay(1000);
//    Serial.println("Atmospheric Pressure");
//    delay(1000);
//    Serial.println("Altitude");
//    delay(1000);
    Serial.println("There is ultrasonic sensing aswell which ensures that no one interfering with the growth of the plants");
    Serial.println("");
    delay(1000);
    
    int lightvalue1 = analogRead(ldrpin1);
    delay(1000);

    int sensorvalue = analogRead(moisture_sensorpin);
    int finalvalue = map(sensorvalue,550,0,0,100); //mapping sensor value

    int chk = DHT.read11(DHT11_PIN);
   
    Serial.print("Temperature : "); //printing temperature value
    Serial.println(DHT.temperature);
    delay(3000);
    

    if (DHT.temperature > 35) {
      Serial.println("There is going to be a lot of sunshine, please take protective measures against it");
      Serial.println("Irrigating the soil as a protective measure");
      digitalWrite(waterpump_pin, LOW);
      delay(4000);
      digitalWrite(waterpump_pin, HIGH);
      Serial.println("");
     }

     else {
      Serial.println("There is less temperature than usual please be prepared");
      Serial.println("I dont think watering the soil would make a difference with the present climate");
      Serial.println("");
      delay(3000);
     }

    
    Serial.print("Humidity : "); //printing humidity value
    Serial.println(DHT.humidity);
     delay(3000);
    

    if (DHT.humidity > 87) {
      Serial.println("There are high chance for rain please carry your umbrella with you");
      Serial.println("");
      delay(3000);
     }

     else {
      Serial.println("There is less humidity take care of your skin");
      Serial.println("");
      delay(3000);
     }

    Serial.print("Moisture Content : "); //printing moisture value
    Serial.print(finalvalue);
    Serial.println("%");
    delay(3000);

   
    if (finalvalue > 10) {
      Serial.println("The soil has good moisture content, Good to go for the day");
      digitalWrite(led_pin, LOW);
      digitalWrite(waterpump_pin, HIGH);
      Serial.println("");
      delay(3000);
      }
      
    else  {
      Serial.println("The soil has very less moisture content, irrigation process about to commence ");
      digitalWrite(led_pin, HIGH);
      digitalWrite(waterpump_pin, LOW);
      delay(10000);
      digitalWrite(waterpump_pin, HIGH);
      digitalWrite(led_pin, LOW);
      Serial.println("Irrigation process completed.");
      Serial.println("");
      delay(3000);
      }
    
    Serial.print("Light intensity : "); //printing light intensity value
    Serial.println(lightvalue1);
    Serial.println("");
    delay(3000);

    if (lightvalue1 < 400) {
      Serial.println("Please turn on the lights to give the plants some photons for its growth");
      Serial.println("");
      delay(1000);
    }

    int rainvalue = analogRead(rainsensor_pin);
    int final_rainvalue = map(rainvalue, 550, 0, 0, 100);
    Serial.print("Rain sensing value :");
    Serial.print(final_rainvalue);
    Serial.println("%");
    Serial.println("");
    delay(3000);

    int gasvalue = analogRead(gassensor_pin);
    Serial.print("Gas Value :");
    Serial.println(gasvalue);
    delay(1000);

    if (gasvalue < 170) {
      digitalWrite(buzzer_pin, LOW);
      Serial.println("Nothing to worry the air is perfectly normal and dosent contain any gas");
      Serial.println("");
      delay(1000);

    }

    else if (gasvalue > 500) {
      Serial.println("There is some diffence in the air please be careful");
      Serial.println("");
      digitalWrite(buzzer_pin, HIGH);
      delay(10000);

    }

    digitalWrite(trig_pin, LOW);
    delayMicroseconds(2);
    
    digitalWrite(trig_pin, HIGH);
    delayMicroseconds(10);
    digitalWrite(trig_pin, LOW);

    long duration = pulseIn(echo_pin, HIGH);
    long distance = duration*0.034/2;
    Serial.print("Distance :");
    Serial.print(distance);
    Serial.println("");
    
    if (distance < 60) {
      digitalWrite(buzzer_pin, HIGH);
      delay(10000);

    }

    else {
      
      digitalWrite(buzzer_pin, LOW);

    }

//    if (!bme.begin()) {  
//    Serial.println("Could not find a valid BMP280 sensor, check wiring!");
//    while (1);
//    
//    }
//  
//    Serial.print("Pressure = ");
//    Serial.print(bme.readPressure());
//    Serial.println(" Pa");
//    delay(3000);
//    Serial.println("");
//    Serial.println("");
//
//    Serial.print("Approx altitude = ");
//    Serial.print(bme.readAltitude(1013.25)); 
//    Serial.println(" m");
//    delay(3000);
//    Serial.println("");
//    Serial.println("");
//    
//    Serial.print("Temperature = ");
//    Serial.print(bme.readTemperature());
//    Serial.println(" *C");
//    delay(3000);
    
    Serial.println("");
    Serial.println("");
    
  }



void Emergency_Protocol() {

  Serial.println("Welcome to Emergency_Protocol");
  Serial.println("Here we control the light intensity in a room and use it to trigger emergency lights. As the light decreases the emergency lights turn on");
  delay(3000);

  int lightvalue2 = analogRead(ldrpin2);
  delay(3000);
  
  Serial.print("Light Intensity : ");
  Serial.println(lightvalue2);

  if (lightvalue2 > 700) {

    Serial.println("The light intensity is perfect have a good day");
    digitalWrite(green_led, LOW);
  
  }
  
  else if (lightvalue2 < 700){

    Serial.println("The light intensity is low, switching on to emergency lights");
    digitalWrite(green_led, HIGH);
  
  }
  Serial.println("");
  Serial.println("");
}


void loop() {
  
  Garduino_Protocol();
  Emergency_Protocol();

  
}