Enviroment_man.ino

// Enviromental Managment System
// Pins:
// LCD        - 2,3,4,5,6,7

// DHT11/22   - 8
// Sprayer    - 9
// Vent Servo - 10
// Fan        - 11
// Buzzer     - 12


// Moisture 1 - A0
// Moisture 2 - A1
// Moisture 3 - A2
// Moisture 4 - A3
// Button     - A4
// Pot        - A5

#include <Arduino.h>;
#include <LiquidCrystal.h>
#include <DHT.h>
#include <Servo.h>

#define DHTTYPE DHT22
#define DHTPIN 36

Servo myservo;

int LIGHT1 = 46;
int LIGHT2 = 44;

// int PUMP = 48;

int moistureSensor1 = A0;
int moistureSensor2 = A1;
int moistureSensor3 = A2;
int moistureSensor4 = A3;
int moistureSensor5 = A4;

int moistureSensor1Val = 0;
int moistureSensor2Val = 0;
int moistureSensor3Val = 0;
int moistureSensor4Val = 0;
int moistureSensor5Val = 0;

int aveargeMoisture = 1000;

const int buzzer = 12;
DHT dht(DHTPIN, DHTTYPE);

LiquidCrystal lcd(53, 51, 49, 47, 45, 43);

int setHumidity = 50;  //What I want the humidity to be.
//int settemperature = 36;  //What I want the temperature to be. (C)
double potValueOld = 0;
double potValueNew = 0;
double humidity = 0;
double hRestoreTime = 0;
double temperatureC = 0;
double temperatureF = 0;
bool seeDHT = false;

int setupLCD() {

  lcd.clear();
  lcd.print("Temp: ** C ** F");
  lcd.setCursor(0, 1);
  lcd.print("Humidity:  **%");
  lcd.setCursor(8, 0);
  lcd.print((char)223);
  lcd.setCursor(13, 0);
  lcd.print((char)223);

}

int setupServos() {
  myservo.attach(12);

  if (myservo.read() != 0) {
    Serial.print("Servo not at zero!\nAttempting to set servo to zero! - ");
    Serial.print(myservo.read());
    myservo.write(0);

    if (myservo.read() != 0) {
      Serial.print("/nError setting servo to zero! - ");
      Serial.print(myservo.read());
    }

    else {
      Serial.print("\nServo set to zero! - ");
      Serial.print(myservo.read());
    }

    myservo.detach();

    myservo.attach(10);

    if (myservo.read() != 128) {
      Serial.print("Servo not at zero!\nAttempting to set servo to zero! - ");
      Serial.print(myservo.read());
      myservo.write(128);

      if (myservo.read() != 128) {
        Serial.print("/nError setting servo to zero! - ");
        Serial.print(myservo.read());
      }

      else {
        Serial.print("\nServo set to zero! - ");
        Serial.print(myservo.read());
      }

      myservo.detach();

    }

    else {

      Serial.print("Servo already set to zero! - ");
      Serial.print(myservo.read());
    }
  }
}

int noDHT() {

  seeDHT = false;

  while (isnan(temperatureF) && isnan(temperatureC) && isnan(humidity)) {
    seeDHT = true;
    lcd.clear();
    lcd.print("ERROR: DHT11 not");
    lcd.setCursor(0, 1);
    lcd.print("detected!");
    Serial.println("ERROR: DHT11 not detected!");

    for (int i = 0; i != 1; i = 1 ) {

      tone(buzzer, 2000);
      delay(500);
      noTone(buzzer);
      delay(500);

    }

    humidity = dht.readHumidity();

    temperatureC = dht.readTemperature();
    temperatureF = dht.readTemperature(true);

    if (!isnan(temperatureF) && !isnan(temperatureC) && !isnan(humidity)) {

      seeDHT = true;
      setupLCD();

    }
  }
}

int checkDHT() {

  if (isnan(temperatureF) && isnan(temperatureC) && isnan(humidity)) {
    noDHT();

  }

}

int showHumidity() {

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Humidity Set at:");
  lcd.setCursor(7, 1);
  lcd.print(int(setHumidity));
  lcd.setCursor(9, 1);

  lcd.print("%");
  delay(3000);

}

/*
int changeHumidity() {

  if (potValueNew != = potValueOld) {

  }




  //    lcd.setCursor(9,1);

  //    lcd.print("%");
  //    delay(3000);

}
*/

int logData() {

  humidity = dht.readHumidity();

  temperatureC = dht.readTemperature();
  temperatureF = dht.readTemperature(true);

  lcd.setCursor(6, 0);
  lcd.print(int(temperatureC));
  Serial.print("Temperature(C): ");
  Serial.println(temperatureC);
  delay(100);

  lcd.setCursor(11, 0);
  lcd.print(int(temperatureF));
  Serial.print("Temperature(F): ");
  Serial.println(temperatureF);
  delay(100);

  lcd.setCursor(11, 1);
  lcd.print(int(humidity)); \
  Serial.print("Humidity(%):    ");
  Serial.println(humidity);
  delay(100);
}

/*

  int checkPot(){
  if(analogRead(A0) != setHumidity){

    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Humidity Set at:");
    lcd.setCursor(0,1);
    lcd.print(setHumidity);
    delay(3000);

  }
  }

*/

int checkHumidity() {
  if (humidity < setHumidity) {

    lcd.clear();
    lcd.setCursor(4, 0);
    lcd.print("Humidity");
    lcd.setCursor(7, 1);
    lcd.print("LOW");

    delay(1000);

    Serial.println("Humidity Low!");

    setupLCD();

    spray();

  }
}

int spray() {

  myservo.attach(9);

  myservo.write(180);
  delay(1000);
  myservo.write(0);

  for ( double i = 0 ; i < 60000 ; i++) {

    while (humidity < setHumidity) {

      logData();

      hRestoreTime++;

      delay(1000);

      myservo.detach();

    }

    Serial.println("Humidity Restored in ");
    Serial.print(int(hRestoreTime));
    Serial.print(" seconds");

    hRestoreTime = 0;

    return;

  }
}

int getDHT() {

  checkDHT();

  logData();

}

int getSoilMoisture() {

  moistureSensor1Val = analogRead(moistureSensor1);
  Serial.print("Moisture Sensor 1: " );
  Serial.println(moistureSensor1Val);
  moistureSensor2Val = analogRead(moistureSensor2);
  Serial.print("Moisture Sensor 2: " );
  Serial.println(moistureSensor2Val);
  moistureSensor3Val = analogRead(moistureSensor3);
  Serial.print("Moisture Sensor 3: " );
  Serial.println(moistureSensor3Val);
  moistureSensor4Val = analogRead(moistureSensor4);
  Serial.print("Moisture Sensor 4: " );
  Serial.println(moistureSensor4Val);
  moistureSensor5Val = analogRead(moistureSensor5);
  Serial.print("Moisture Sensor 5: " );
  Serial.println(moistureSensor5Val);
  
}

//int water() {
  
//  if (aveargeMoisture > 1000){

//    digitalWrite(PUMP,LOW);
  
//  }
  
//}

void setup() {

  pinMode(LIGHT1, OUTPUT);
  pinMode(LIGHT2, OUTPUT);
//  pinMode(PUMP, OUTPUT);

  pinMode(buzzer, OUTPUT);

  tone(buzzer, 1000);
  delay(1000);
  noTone(buzzer);

  Serial.begin(9600);

  lcd.begin(16, 2);

  //  potValue = analogRead(A0);
  //  setHumidity = int(potValue * 0.09889);

  showHumidity();

  dht.begin();
  myservo.attach(9);

  setupLCD();

  delay(500);

  Serial.println("Setting up!");

  setupServos();

  Serial.print("\nHumidity set to: ");
  Serial.print(setHumidity);

  delay(1000);

  Serial.print("\n\n===================================================================================\n\n");

}

void loop() {

  getDHT();

//  water();

  getSoilMoisture();

  delay(1000); //Sample Rate of DHT11


}