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This article will show how to communicate between Arduino and Visual Studio through COM (UART) port.

• Visual Studio Code Arduino
• Visual Studio Code Arduino
• How To Use Visual Micro

Visual Studio 2013 Community, on the other hand, is a full featured IDE and development system free to use for students, open source contributors and small development teams. It includes several languages but for now I am only interested in Visual Basic. I installed visual basic studio and Arduino. I installed Azure IoT workbench Dev kit in. Arduino is an open-source electronics platform based on easy-to-use hardware and software. It's intended for anyone making interactive projects. IMPORTANT: This app performs with core functionality on Windows 10 S but some limited plugins do not work.

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This article shows how to communicate between Arduino and Visual Studio through COM (UART) port.

(1) Arduino will send data to the Visual Studio program:

(2) Visual Studio program will send data to Arduino. Arduino receives it, then feed it back to Visual Studio program.

Overview of steps:

1. Hardware connection2. Arduino program3. Visual Studio program

1. Hardware connection

2. Arduino program

Make a program for Arduino. At start up, Arduino will send a string (a sentence) every 0.5 sec. This will stop when User sends data (string) to Arduino, then Arduino will send it back to User. In this case, User is Visual Studio program (in part 3).

The code can be downloadhere - Google share

3. Visual Studio program

Make a windows application 🠚 save it.

Add a button, textbox and label to the Form (taken from Toolbox in the left):

Click on button, textbox and label to see Properties in the Toolbox in the right. Remember the name of each item to program in a latter section.

Add components 'serial Port' and 'timer':

Also, see properties to know the name each item. Remember to rename 'serialPort1' 🠚 'Portname' to COM-Port of Arduino (this case is COM4)

Programming works:The whole code of Visual Studio program can be downloaded here - Google share

(1) Double click to Form1 🠚 input the following code.Meaning: open (Arduino) COM-Port and start timer1

(2) Double click to Button1 🠚 input the following code.Meaning: send string from textBox1 to (Arduino) COM-Port

(3) Double click to timer1 🠚 input the following code.Meaning: every time timer1 ticks (it will tick every 0.1s 🠚 setting in 'Interval' of Properties of timer1), label1 will update information

(4) Click to serialPort1 🠚 see at Properties toolbox 🠚 click at 'Event' icon 🠚 double click at 'DataReceived'.

Then input the following code.

Meaning: read COM-Port data at every time receiving 🠚 save it to 'mStr'

Auxiliary code:

(1) Meaning: when Form1 is closed 🠚 close COM-Port and stop timer1

(2) Meaning: make global variable 'mStr'

After all, click icon 'Local Window Debugger' to build and run the program.

If everything runs smoothly, a window form will appear (note: Arduino should be connected to computer through COM4 with the program as in Step2).

At result (1): Form1 will show results from Arduino.

At result (2): Form1 will send data to Arduino, then receive it after Arduino sends it.

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Visual Studio Code Arduino

Visual Studio Code Arduino

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How To Use Visual Micro

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