Arduino Simulator 1.5.3 macOS

Download the Arduino Simulator 1.6 macOS

Free download

macOS 10.5 and Higher


Get the free license key:


Downloading not possible on smartphones.

Users manual Arduino Simulator

How to install the Arduino Simulator

Newest Java JDK

How to use it?

Arduino Simulator MacOS


Designed for people in hardware need!



The Arduino Simulator has been drastically changed the way you use a simulator. By communicating with the Arduino board we can simulate your IO on your screen. To make everything as easy as possible we created a library that allows users to simulate it by changing 1 letter of there code.

This Arduino Simulator is designed to optimally simulate your (IO) projects with the aim of testing your projects without components if you don't have some parts yet you can simulate them.


Use this free license key: 5FVKL-CMSM2-ZH9EX-UAFIX-AKRN9


The Arduino Simulator has many components built in to test your projects. 


  • 14 LEDs (4 colors, customizable)
  • 8 buttons
  • Squarewave generator
  • Buzzer (Frequency adjustable)
  • Noise detection (microphone)
  • 3 sliders (analog)
  • 7-segment display
  • LCD display (16-2)
  • Bargraphs
  • Tone melody
  • Sound generator (frequency changeable)
  • Servo motor
  • Serial Monitor

The simulator supports English, French, Spanish, German and Dutch.

Arduino Simulator MacOS

Simulate your IO

A simulator made for beginners

This simulator is designed for beginners who want to test their program quickly or don't have the necessary electrical parts.


Write your project in the Arduino IDE. Add the Simulator library and change the codes.

Upload the code to the Arduino board. Select your inputs and outputs in the simulator.


Arduino Simulator MacOS
Arduino Simulator MacOS

Test your code quickly

Whether you are building an Arduino project or just started working with Arduino, you can use this simulator to test your ideas without any electrical or almost no components. We have the most used parts available. Click on Read more to find out how.

Just add the library and you're good to go

Add the simulator library to your project

In order to let the Simulator understand the code, we changed the libraries to be compatible with ouer simulator. To maintain the usability, we have decided to keep all the instructions as they are, you just have to add the simulator library and you're ready to simulate.


Arduino IO Simulator macOS

You bought an Arduino, What now?


This Arduino Simulator is different from all the other simulators. If you don’t have components like sensors, LEDs..., then this program will simulate the components for you. You need a real Arduino board for testing your programs with your computer and just change some codes to work with the simulator components.



The Simulator has a lot of components that are required to test your projects.



Also available for Windows.

Arduino Simulator MacOS




Designed and created by Louis D'Hont & Marc VDB

 Free license key: 5FVKL-CMSM2-ZH9EX-UAFIX-AKRN9

macOS Versions


Version 1.6



  • Sound generator PWM value shown next to pin
  • Buzzer slidervalue problem fixed
  • Buzzer system changed
  • Display extended with D0 - D19
  • Servo extended with D2 - D19
  • Saving LED colors with saving setup
  • Library installation menu added
  • Languages added
  • All sketches are changed to the new library system
  • Serial communication improved
  • Programming structure organized and improved

Version 1.5.3

Update: 24/06/2019


  • Small bugs fixed
  • Faster serial communication

Version 1.5.2

Update: 21/06/2018


  • Buzzer slider value bug fixed
  • Bugs in double use fixed
  • Clean up code
  • Small improvements in speed

Version 1.5.1

Update: 29/05/2018


  • Bugfixes and improvements on driver installation system (password pop-up window)
  • Small changes in texts
  • Small bug fixes

Version 1.5


  • Little bugs in design solved
  • User manual changed
  • Automatically installing libraries
  • About changed
  • Icons and images are optimized
  • Dutch/English adapted and improved
  • Application icon added
  • Save and restore settings optimized

  • Analog inputs extended (A0-D14...)
  • Glitches in the toolbar solved
  • Relays in digital outputs added
  • Arduino library improved
  • Redesign the reset-button
  • Test sketches improved
  • Serial Drivers changed



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