![]() So we will click the push button and drag to the size. GUI window will appear, now we will create two buttons which will be used to turn ON and turn OFF the LED. This is your form where you can add buttons, labels, check boxes etc. Then Open the Matlab Software and to make the GUI application simply type guide in the command window and press enter this will open the untitled.fig. ![]() Serioulsy this is the simplest cirucit that we can start with. The cathode side of the LED is connected with the ground. Read more about the current limiting resistor. The Anode side of the LED is connected with pin 3 of the Arduino through a 220-ohm current limiting resistor. I would appreciate your support in this way! LED interfacing with Arduino: I may make a commission if you buy the components through these links. Without any further delay let’s get started!!! For easy understanding I will add only two button, one button will be used to turn ON the LED and the other button will be used to turn OFF the LED. If you are able to control an LED then you can control a Transistor, Mosfet, or a relay, etc, and this way you can control higher loads. Anyways, in this tutorial, we will connect the LED with pin 3 of the Arduino. If you don’t have the LED then you can use the Arduino’s onboard LED connected with the digital pin 13. The reason I am starting with the LED is that an LED can be easily arranged. You can also read my article on how to install the Matlab software and how to start using it. All you need is to connect the LED with the Arduino and then connect the Arduino with the Computer or Laptop and you are good to go.īut, initially, you will need to install the Matlab support package for Arduino hardware, because without it you won’t be able to control the Arduino board. You gonna love this, you don’t even need to write a single line of code in Arduino. ![]() Another best thing is you don’t need the Arduino code, the Matlab GUI will do everything. Unlike other programming languages like “VB.net, Visual C++, C#, Python, etc” in Matlab we can also design GUIs. In this tutorial, we will do the same thing that is we will control an LED but this time we will use the GUI application designed in MATLAB. Matlab Arduino to Control an Led using Serial communication- As a beginner, the very first project that almost everyone starts with is to control an LED using Arduino, because it’s simple to understand how to turn ON and turn OFF any IO pin.
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