DasFilisera Green House Using Arduino

Be kind to your plants! Learn about the green house environment using MKR1000 and sensors. Control soil humidity and air conditions!

Things used in this project

Hardware components

DHT22 Temperature Sensor

DS18B20

Soil temperature and humidity sensor FS200-SHT25

4-Channel Relay Module

2-Channel Relay Module

Ultrasonic Sensor – HC-SR04 (Generic)

Arduino MKR1000

Software apps and online services

DasData

Microsoft Visual Studio 2015

Story

Grow plants and vegetables more aware of their environment conditions. Simply by using a MKR1000

Requirements for Plant Growth

Plant growth depends of several ideal environment conditions such as temperature, humidity, light and other mineral nutrients or oxygen.

Providing the plants with an adequate amount of water or keep the normal temperature in the green house can be a tricky process but not if you could do it it much easier.

Hardware overview

Temperature / Humidity

TH1 – Outside temp values will be provided from a waterproof DS18B20 sensor – D1 pin connection

TH2 – Inside temp. / hum. can be found out from DHT22 – pin D0

TH3 – FS200/SHT25 – will be introduced in soil conditions. Connections will at for SCL & SDA pins 12/11

Water lever

W1 – in order to get water level will be using a ultrasound sensor like HC – SR04 Connections at A0 – Echo and Trigger at A1. Based on this value you can control a valve using R1 – 4 channels relay.

Air Temperature / Oxygen

A1 – Base on temperature/ humidity values you can command when to open windows using R2 relay. Based on climate you should tune it as you wish.

Relays R1 / R2

To set some commands like open Windows or start any pump you could send commands to the relays … R1 is connected to digital pins 7,8,9,10 and R2 5,

Connections on the MKR1000

MKR1000 – aRest

Now that we connected all things together is time to get some data and make sens using aRest library, that will provide a web interface to MKR1000 device with json format string. Use the libraries, .ino files provided bellow and change your Wifi router connection accordingly.

aRest Interface

Data and Interface

As long that we have an interface our device we could also consume this data and see it on the local network.

We’ve been using Visual Studio 2015 and .net to build up a Windows application that will help you visualize green house live conditions but also a bit of daily history or all sort of logs that you want to integrate.

Green House Interface greenHouse2

For storing in the cloud we simply used DasData green house configurations or you can create your own data channels. duplicate button

Next step will be to modify the DsKey and AKey provided in the Settings.txtfrom application folder. If everything works you should see some data online already.

Sensors in DasData channel

Follow DasData’s hackster channel for more future updates

Green house Automation

You should decide what valves or motors will create more action based on your greenhouse configuration and sizes. All this could be controlled from relays.

Schematics

DasFilisera – Schematics

PDF file with connections – sensors & relays

Code

/*
 DASFilisera using aREST Library for the Arduino/Genuino MKR1000 board. 
aREST -  Written in 2016 by Marco Schwartz under a GPL license.
*/

// Import required libraries
#include <SPI.h>
#include <WiFi101.h>
#include <aREST.h>
#include "DHT.h"
#include <OneWire.h>
#include <Wire.h>
#include <DallasTemperature.h>
#include <SHT2x.h>

// *************************
// ** Senzori Temperatura **
// *************************
#define DHTPIN 0     //  Inside humidity/temp/heat index
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

#define ONE_WIRE_BUS 1

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);



float umidSol = 0; // Soil humidity
float umidAer = 0; // Air humidity
float tempIn = 0; // Temperature in
float tempOut = 0; // Temperature out
float tempSol = 0; // Container volume
float umidexIn = 0; // Feels like temp

//VOLUM 
#define echoPin A0 // Echo pin A0
#define trigPin A1 // Trigger pin A1

long duration ; // duration to calculate distance
int HR_dist = 0; // Calculated distance

int minimumRange=5; //Min Sonar range
int maximumRange=200; //Max Sonar range
unsigned long pulseduration=0;

int nivelCm, nivelRamasCm;
int nivelProc, nivelVol;
int empty = 100;
int full = 100;
int sqrLevel, sqrInvertLevel ;
 

// Status
int status = WL_IDLE_STATUS;

// Create aREST instance
aREST rest = aREST();

// WiFi parameters
char ssid[] = "WIFI_AP";
char password[] = "WIFI_PASSW";

// The port to listen for incoming TCP connections
#define LISTEN_PORT           80

// Create an instance of the server
WiFiServer server(LISTEN_PORT);

//INITIALIZARE SENZORI 
DHT dht(DHTPIN, DHTTYPE);

// RELEE RELEEE
int aVentil, aLateral;
int inReleu1Ventil = 6;
int inReleu2Ventil = 7;
int inReleu3Ventil = 8;
int inReleu4Ventil = 9;
int inReleu1Lateral = 10;
int inReleu2Lateral = 11;

// Declare functions to be exposed to the API
int ledControl(String command);

void setup(void)
{
  // Start Serial
  Serial.begin(115200);

  // Init variables and expose them to REST API
 // rest.variable("temperature",&temperature);
//  rest.variable("humidity",&humidity);

  // Function to be exposed
  rest.function("led",ledControl);

  // Give name and ID to device
  rest.set_id("1");
  rest.set_name("mkr1000");

  // Connect to WiFi
  while (status != WL_CONNECTED) {
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    status = WiFi.begin(ssid, password);

    // Wait 10 seconds for connection:
    delay(10000);
  }
  Serial.println("WiFi connected");

  // Start the server
  server.begin();
  Serial.println("Server started");

  // Print the IP address
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);

   // SETUP DHT - INSIDE  
 DHT dht(DHTPIN, DHTTYPE);
// sensors.begin(); // Pornire senzor temperatura exterioara DS-16B20

 pinMode(trigPin, OUTPUT);
 pinMode(echoPin, INPUT);
 
  // Init variables and expose them to REST API

  rest.variable("Vol_container",&sqrLevel );
  rest.variable("Umiditate_sol",&umidSol );
  rest.variable("Umiditate_aer",&umidAer );
  rest.variable("Temp_in",&tempIn );
  rest.variable("Temp_out",&tempOut );
  rest.variable("Temp_sol",&tempSol ); 
 // rest.variable("Umidex_in",&umidexIn );
  
//  sensors.requestTemperatures(); // Temperatura Out
  
}

void loop() {
 getmyDistance();
 // getSoilVals();
  getInsideVals();
//  getOutSideVals();


  // Handle REST calls
  WiFiClient client = server.available();
  if (!client) {
    return;
  }
  while(!client.available()){
    delay(1);
  }
  rest.handle(client);

}

void getmyDistance() {
  digitalWrite(trigPin,LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin,HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin,LOW);

  duration = pulseIn(echoPin,HIGH);
  //calculate distance
  HR_dist = duration/58.2;
//  sqrLevel = empty - HR_dist;
  
  if (HR_dist >= maximumRange || HR_dist <= minimumRange) {
     sqrLevel = 0;
    }
    else {
       sqrLevel = empty - HR_dist;
  Serial.println(HR_dist); 
      }

      delay(100);
  }


void getDistance() {
digitalWrite(trigPin, LOW);
delayMicroseconds(10);
// now send the 10uS pulse out to activate Ping 
digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW);
// finally, measure the length of the incoming pulse 
pulseduration = pulseIn(echoPin, HIGH);
// divide the pulse length by half
pulseduration = pulseduration/2;
// convert to centimetres.
nivelRamasCm = int(pulseduration/29);
nivelCm = empty - nivelRamasCm;
nivelVol = map(nivelRamasCm, full, empty, 100, 0);

// Tipareste nivelul in centimetri
   if (nivelCm >= -5 && nivelCm <=135) {
     double a = nivelCm / 100 * nivelVol;
  int sqrLevel = 240 - nivelCm;
  int sqrInvertLevel = 120 + nivelRamasCm;

      if (nivelCm >65 && nivelCm <=85){
         }
      if (nivelCm >85 && nivelCm <=100){
         }
   }
  }

long microsecondsToCentimeters (long microseconds) {
 // The speed of sound is 340 m/s or 29 microseconds per centimeter
 // The ping travels forth and back, so, the distance is half the distance traveled
 return microseconds / 29 / 2;
}

void getInsideVals() {
    
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();
  // Read temperature as Fahrenheit (isFahrenheit = true)
//  float f = dht.readTemperature(true);

  umidAer = h;
  tempIn = t;

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

  // Compute heat index in Fahrenheit (the default)
  //float hif = dht.computeHeatIndex(f, h);
  // Compute heat index in Celsius (isFahreheit = false)
 // float hic = dht.computeHeatIndex(t, h, false); 
//  umidexIn = hic; 

    }

void getOutSideVals() {
       tempOut = sensors.getTempCByIndex(0) ; 
         Serial.println("Temperature Out: ");
         Serial.print(tempOut);
       }    


void getSoilVals() {
      umidSol = SHT2x.GetHumidity();
      tempSol = SHT2x.GetTemperature();
      Serial.println("Humidity Soil(%RH): ");
      Serial.print(umidSol);
      Serial.print("     Temperature Soil (C): ");
      Serial.print(tempSol);
       }    
       

  //  sensors.requestTemperatures(); // Temperatura Out

 
// Custom function accessible by the API
int ledControl(String command) {

  // Get state from command
  int state = command.toInt();

  digitalWrite(6,state);
  return 1;
}

Imports System.Globalization
Imports System.IO
Imports System.Net
Imports System.Threading
Imports System.Windows.Forms.DataVisualization.Charting
Imports Newtonsoft.Json

Public Class Form1

    Private _deviceIP As String = ""  'DEVICE IP 
    Private intVolumContainer, intUmidSol, intUmidSera, intTempAfara, intTempSera, intTempSol, intUmidex As String  ' VARIABILES
    Private strR1, strR2 As String   'RELAYS 

    Public Count As CountDown   'COUNTDOWN TICK 
    Private _dasResult As String = ""  'RESULTAT CITIRE SENZORI DEVICE

    Private _AKey As String = ""   'USER KEY DASDATA
    Private _DSKey As String = ""  'DATASET KEY DASDATA

    Private _myDas As New dasData.das
    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        Count = New CountDown(50, 0)   '5 SECONDS UPDATE 
        AddHandler Count.Tick, AddressOf Count_Tick
        AddHandler Count.TimesOut, AddressOf Times_up

        Try  'READ SETTINGS FROM .txt FILE
            Dim path As String = Directory.GetCurrentDirectory()
            Dim FILE_NAME As String = path & "\Settings.txt"
            Dim myText As String = "" ' 
            If System.IO.File.Exists(FILE_NAME) = True Then
                Dim objReader As New System.IO.StreamReader(FILE_NAME, System.Text.Encoding.Default)
                Do While objReader.Peek() <> -1
                    myText &= objReader.ReadLine()
                Loop
                Dim _settingItems() As String = myText.Split(" ")
                _deviceIP = _settingItems(0)   'IP-ul DEVICE 
                _AKey = _settingItems(1).Replace("akey:", "")
                _DSKey = _settingItems(2).Replace("dskey:", "")
                cbxEnabled.Text = "Device:" & _deviceIP
                txtInfo.Text = "IP device: " & _deviceIP & vbNewLine & "AKey: " & _AKey & vbNewLine & "DSKey: " & _DSKey & vbNewLine
                strR1 = _settingItems(3).Replace("relay1:", "")
                txtInfo.Text += "Relay1: " & strR1 & vbNewLine
                strR2 = _settingItems(4).Replace("relay2:", "")
                txtInfo.Text += "Relay2: " & strR2 & vbNewLine
                '   txtInfo.Text = "Settings: " & myText
                objReader.Dispose()
                objReader.Close()
            End If
        Catch ex As Exception
            lblDevice.Text = ex.Message.ToString
        End Try

        cmdCheckDevice()

        'LOCAL SETTINGS  
        Thread.CurrentThread.CurrentCulture = New CultureInfo("en-US")
        'Thread.CurrentThread.CurrentUICulture = New CultureInfo("ro-RO")  
        cmdStartFilisera()

    End Sub

    Private Sub Count_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs)
        cmdGetSensorValues()
        cmdTriggers()
        If CDate(dtFrom.Text).ToString("dd.MM.yyyy") = Date.Now().ToString("dd.MM.yyyy") Then
            cmdStartFilisera()
        End If


    End Sub


    Private Sub Times_up(ByVal sender As System.Object, ByVal e As System.EventArgs)
        ' Count.Reset()
        'Count.Pause() 
    End Sub

    Private Sub cmdStartFilisera()
        Try
            dtFrom.MaxDate = DateTime.Now

            _dasResult = _myDas.getDas(_DSKey, "json", 0, 100)
            cmdFillData()
        Catch ex As Exception
            lblDevice.Text += ex.Message.ToString
        End Try

    End Sub



    Private Sub cbxEnabled_CheckedChanged(sender As Object, e As EventArgs) Handles cbxEnabled.CheckedChanged
        cmdCheckDevice()
    End Sub

    Private Sub cmdCheckDevice()
        Try
            If cbxDemo.Checked = False Then
                lblDevice.Text = ("Enable device!")
                lblEvenimente.Text = Date.Now.ToString("dd.MM.yyyy HH:mm:ss")
                If cbxEnabled.Checked = True Then
                    Dim pingsender As New Net.NetworkInformation.Ping
                    If Not pingsender.Send(_deviceIP).Status = Net.NetworkInformation.IPStatus.Success Then
                        lblDevice.Text = ("Device not availble on the local network!")
                        cbxEnabled.Checked = False
                        btnTemperatura.Enabled = False
                        btnVolumContainer.Enabled = False
                        Count.Reset()
                        Count.Pause()
                        MessageBox.Show("Device at " & _deviceIP & " not found!")
                    Else
                        lblDevice.Text = ("Device connected!")
                        btnTemperatura.Enabled = True
                        btnVolumContainer.Enabled = True
                        cmdGetSensorValues()
                        Timer1.Enabled = True
                        cmdAddData()
                        Count.Start()
                    End If
                Else
                End If
            Else
                btnTemperatura.Enabled = True
                btnVolumContainer.Enabled = True
                cmdGetSensorValues()
                Timer1.Enabled = True
                cmdAddData()
                Count.Start()
            End If

        Catch ex As Exception

        End Try

    End Sub

    Private Sub btnVolumContainer_Click(sender As Object, e As EventArgs) Handles btnVolumContainer.Click
        '  http://192.168.0.102/digital/7/1
        'CLOSE WATER FROM BUTTON 
        Dim _ItemsR1() As String = strR1.Split(",")
        If btnVolumContainer.Text.Contains("Open") Then
            cmdRelay(_ItemsR1(0), 1)
            cmdRelay(_ItemsR1(1), 1)
            cmdRelay(_ItemsR1(2), 0)
            cmdRelay(_ItemsR1(3), 0)
            btnVolumContainer.Text = "Close water"
        Else
            cmdRelay(_ItemsR1(0), 0)
            cmdRelay(_ItemsR1(1), 0)
            cmdRelay(_ItemsR1(2), 1)
            cmdRelay(_ItemsR1(3), 1)
            btnVolumContainer.Text = "Open water"
        End If
        '    Dim _url As String = _deviceIP & "digital/7/1"
    End Sub

    Private Sub btnTemperatura_Click(sender As Object, e As EventArgs) Handles btnTemperatura.Click
        'CLOSE WINDOW FROM BUTTON 
        Dim _ItemsR2() As String = strR2.Split(",")
        If btnTemperatura.Text.Contains("Open") Then
            cmdRelay(_ItemsR2(0), 1)
            cmdRelay(_ItemsR2(1), 1)
            btnTemperatura.Text = "Close window"
        Else
            cmdRelay(_ItemsR2(0), 0)
            cmdRelay(_ItemsR2(1), 0)
            btnTemperatura.Text = "Open window"
        End If
    End Sub

    Private Sub Timer1_Tick(sender As Object, e As EventArgs) Handles Timer1.Tick
        cmdAddData()
    End Sub



    Private Sub btnTestCloud_Click(sender As Object, e As EventArgs) Handles btnTestCloud.Click
        Try
            cmdStartFilisera()
        Catch ex As Exception
            MessageBox.Show("Lost connection with DasData!")
        End Try
    End Sub

    Private Function cmdRelay(ByVal _DPin As String, ByVal _cmd As Int16)
        Try
            Dim _urlCommand As String = _deviceIP & "/digital/" & _DPin & "/" & _cmd
            Dim client As New WebClient()
            client.Headers.Add("user-agent", "Arduino/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)")
            Dim data As Stream = client.OpenRead(_urlCommand)
            Dim reader As New StreamReader(data)
            Dim s As String = reader.ReadToEnd()
            '  txtInfo.Text += (s)
            data.Close()
            reader.Close()
        Catch ex As Exception
        End Try
    End Function

    Private Sub dtFrom_ValueChanged(sender As Object, e As EventArgs) Handles dtFrom.ValueChanged
        Try 'GET VALUES BASED ON DATE SELECTION
            _dasResult = _myDas.getDas(_DSKey, "jsond", CDate(dtFrom.Text).ToString("dd.MM.yyyy"), CDate(dtFrom.Text).ToString("dd.MM.yyyy"))
            cmdFillData()
        Catch ex As Exception
            MessageBox.Show(ex.Message.ToString)
        End Try
    End Sub

    Private Sub cmdGetSensorValues()
        Try
            ''GET SENSOR VALUES FROM DEVICE 
            If cbxDemo.Checked = False Then
                Dim client As New WebClient()
                client.Headers.Add("user-agent", "Arduino/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)")

                Dim data As Stream = client.OpenRead("http://" & _deviceIP & "/index.html")
                Dim reader As New StreamReader(data)
                Dim s As String = reader.ReadToEnd()
                s = s.Replace("""", "").Replace("}", "").Replace("{", "").Replace(" ", "").Replace("variables:", "")
                Dim sItems() As String = s.Split(",")

                intVolumContainer = cmdGetVal(sItems(0))
                intUmidSol = cmdGetVal(sItems(1))
                intUmidSera = cmdGetVal(sItems(2))
                intTempSera = cmdGetVal(sItems(3))
                intTempAfara = cmdGetVal(sItems(4))
                intTempSol = cmdGetVal(sItems(5))

                data.Close()
                reader.Close()
            Else
                intVolumContainer = _rnd(60)
                intUmidSol = _rnd(80)
                intUmidSera = _rnd(20)
                intTempSera = _rnd(45)
                intTempAfara = _rnd(57)
                intTempSol = _rnd(66)
            End If

            ggVolum.Value = intVolumContainer
            rgVolum.Value = intVolumContainer

            ggUmidSol.Value = intUmidSol
            ggUmidSera.Value = intUmidSera
            ggTempSera.Value = intTempSera
            ggTempOut.Value = intTempAfara
            ggTempSol.Value = intTempSol
        Catch ex As Exception
            '{"variables" {"Volum_container": 0, "Umiditate_sol":  0.00, "Umiditate_aer": 36.60, "Temp_in": 26.50, "Temp_out":  0.00, "Temp_sol":  0.00, "Umidex_in": 26.37}, "id": "1", "name": "FiliSera", "hardware": "arduino", "connected": true}
        End Try

    End Sub

    Private Function cmdGetVal(ByVal _sItem As String)
        Try
            'SPLIT STRING AND GET VALUES BACK
            Dim _s() As String = _sItem.Split(":")
            Return _s(1)
        Catch ex As Exception

        End Try
    End Function