Arduino Interfacing with Visual Studio to read Temperature

Today I'm going to show you how  Arduino interfacing with Visual studio to read temperature.

If you don’t know to start visual studio program click here. 

Part 1 – C# program using visual studio

Create a form first.

You can drag and drop toolbox items into Form1 as follows.

Next go to Form1.cs file and edit the code as follows

==============================================================

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace _3_arduinotovisual

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

            serialPort1.Open();

        }

        private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)

        {

            string data = serialPort1.ReadLine();

            //MessageBox.Show(serialPort1.ReadLine());

            this.textBox1.Text = "" + data;

        }

     

    }

}

===============================================================

Part 2 – Arduino coding

Open the Arduino IDE and write the following code

==============================================================

const int analogInPin = A0;  // Analog input pin that the potentiometer is attached to

void setup() {

  // initialize serial communications at 9600 bps:

  Serial.begin(9600);

}

void loop() {

  // read the analog in value:

double   sensorValue = analogRead(analogInPin);

float mvValue = ( sensorValue/1024.0)*5000;

float celValue = mvValue/10;

  // print the results to the serial monitor:

  Serial.print("sensor = " );

  Serial.println(celValue);

  // wait 2 milliseconds before the next loop

  // for the analog-to-digital converter to settle

  // after the last reading:

  delay(2);

}

===============================================================

Part 3 - Circuit Diagram

In my case I used LM35DZ , check the data sheet  and connect your sensor.

Now all coding parts are finished.

   Go to Aduino IDE à Tools à Port and check the port number

  Then upload the Arduino code.

  Now go to visual studio and Right click on Serial Port and go to properties.

  Then change the port name similar to Arduino port name. 

Finally go to Debug and click Start without Debugging in visual studio or simply press Ctrl + F5.

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