DasFilisera Green House -

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

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

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   Private Sub cmdAddData()  Try  'SEND DATA TO DASDATA CLOUD STORAGE  Dim _strFiliseraDataSend As String = intVolumContainer & "|" & intUmidSol & "|" & intUmidSera & "|" & intTempAfara & "|" & intTempSera & "|" & intTempSol '& "|"& intUmidex & "|"&  Dim _dasResult As String = _myDas.sendDas(_strFiliseraDataSend, _DSKey, _AKey)  Catch ex As Exception  cmdLogMe("ERROR..." & ex.Message.ToString(), "error")  End Try  End Sub   Private Sub cmdFillData()  Try  'FILL INTERFACE WILL ALL SORT OF DATA   Dim dataSet As DataSet = JsonConvert.DeserializeObject(Of DataSet)(_dasResult)  Dim dataTable As DataTable = dataSet.Tables(0)  'GRIDVIEW  DataGridView1.DataSource = dataSet.Tables(0)  DataGridView1.AutoGenerateColumns = True   'CHARTS  ChartTemp.DataSource = dataTable  ChartTemp.Series.Clear()   chartUmid.DataSource = dataTable  chartUmid.Series.Clear()   chartVolum.DataSource = dataTable  chartVolum.Series.Clear()   Dim i As Integer = 0  Dim j As Integer = 0  Dim k As Integer = 0  For Each table In dataSet.Tables  For Each row In table.Rows  For Each col In table.Columns  Dim colName As String = col.ColumnName.ToString  If colName <> "id" And colName <> "AIDate" Then  Try  Dim serieName As String = RTrim(colName)  'VOLUME  If colName.Contains("Nivel") Then  chartVolum.Series.Add(serieName)  chartVolum.Series(serieName).LabelFormat = "N1"  chartVolum.Series(i).ChartType = SeriesChartType.Line  chartVolum.Series(i).BorderWidth = 2  chartVolum.Series(i).Color = Color.Aqua  chartVolum.Series(i).BorderDashStyle = ChartDashStyle.Solid  chartVolum.Series(serieName).YValueMembers = RTrim(colName)  chartVolum.Series(serieName).XValueMember = "AIDate"  i += 1  End If  'HUMIDITY  If colName.Contains("Umid") Then  chartUmid.Series.Add(serieName)  chartUmid.Series(serieName).LabelFormat = "N1"  chartUmid.Series(j).ChartType = SeriesChartType.Line  chartUmid.Series(j).BorderWidth = 2  chartUmid.Series(j).BorderDashStyle = ChartDashStyle.Solid  chartUmid.Series(serieName).YValueMembers = RTrim(colName)  chartUmid.Series(serieName).XValueMember = "AIDate"  j += 1  End If  'TEMP  If colName.Contains("Temp") Then  ChartTemp.Series.Add(serieName)  ChartTemp.Series(serieName).LabelFormat = "N1"  ChartTemp.Series(k).ChartType = SeriesChartType.Line  ChartTemp.Series(k).BorderWidth = 2  ChartTemp.Series(k).BorderDashStyle = ChartDashStyle.Solid  ChartTemp.Series(serieName).YValueMembers = RTrim(colName)  ChartTemp.Series(serieName).XValueMember = "AIDate"  k += 1  End If   Catch ex As Exception  End Try  End If  Next  Exit For  Next  Next  'FILL THE CHARTS  ChartTemp.DataBind()  ChartTemp.Visible = True   chartUmid.DataBind()  chartUmid.Visible = True   chartVolum.DataBind()  chartVolum.Visible = True   Catch ex As Exception  cmdLogMe("ERROR..." & ex.Message.ToString(), "error")  End Try   End Sub    Private Sub cmdTriggers()  'SET TRIGGERS AND STORE THE LOG  Select Case intVolumContainer  Case > 80  cmdLogMe("HIGH HIGH - Container volume - stop water", "0")  Case > 70  ' cmdLogMe("HIGH - Container volume - water will start", "1")  Case < 20  ' cmdLogMe("LOW - Container volume low - water will stop", "1")  Case < 10  cmdLogMe("LOW LOW - Container volume high high high - start water", "0")  End Select   Select Case intTempSera  Case > 38  cmdLogMe("HIGH HIGH - Temperature in green house - open windows", "0")  Case > 30  ' cmdLogMe("HIGH - Temperature in green house - prepare windows", "1")  Case < 10  ' cmdLogMe("LOW - Temperature in green house - prepare windows", "1")  Case < 10  cmdLogMe("LOW LOW - Container volume high high high - start water", "0")  End Select   End Sub    Public Function _rnd(ByVal n As Integer) As Integer  'initialize random number generator  Dim r As New Random(System.DateTime.Now.Millisecond)  Return r.Next(1, n)  End Function     Private Sub cmdLogMe(message As String, _type As String)  Try  Dim _strLog As String = "adeewdf4-4aa34-14ass24-8436-aea1" 'LOG DASDATA DS KEY  lstEvenimente.Items.Add((System.DateTime.Now & " " & message) + Constants.vbNewLine)   'STORE LOGS TO DASDATA  _myDas.sendDas(message & "|" & _type, _strLog, _AKey)  Catch ex As Exception  cmdLogMe("ERROR..." & ex.Message.ToString(), "error")  End Try   End Sub   End Class

dasdata / DasFilisera

Download as zip

Source : DasFilisera Green House

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Hardware components

Software apps and online services

Green house Automation

Schematics

DasFilisera – Schematics

Code

Filisera_Arduino

libraries.zip

Filisera – vb.zip

Filisera – VS

dasdata / DasFilisera

Arduino Nano Tutorial – Pinout & Schematics

Prototype to production: Arduino for the professional

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