Get the most recent zip file V2.9.2 at the bottom below (it also contains help files and demo files). You must first click on the zip file to open a new page conatining a grayed Google Drive sub-window, but then Look Up and click the TINY downward-arrow download icon that appears at the upper left (or possibly right) of the browser window (not inside the grayed contents-preview window) . Please do not click on anything that says 'Request Access' as that flood the UnoArduSim email with request that cannot be acted upon.
Version 2.0 and higher were developed in QtCreator. These new versions now have support for multiple languages (English, French, Spanish, Italian, Dutch, German, Portuguese, Russian, and Turkish so far), Please see the READMEV2.8.txt file included in the zip file for more information, and if you would like to volunteer to provide keyword translations for another language (or to do more extensive edits) , see the Translations page.
Note that the translations of some of the names of 'I/O' devices, and of Preference phrases, may have changed in V2.8. If loading your existing translated 'I/O' device files causes "unrecognized device" pop-ups , first load them using your previous UnoArduSim version, change the Preferences language to 'en', and then Save your 'I/O' device file (to save it as an English file) -- V2.8, with Preferences set to 'en', can then load the English file. You can then change the Preference language back, and Save the 'I/O' device file as the new V2.8. translated text in your language (if you wish)
The application is not digitally signed, so you will get the usual warnings from Windows when trying to launch it, and from your browser on downloading the zip file, both of which you can safely ignore. Please check the About Me page for some reassurance about me and therefore the safety of these download file executables (see instructions in About Me on how to find my profile on the Professional Engineers Ontario web site).
I have left some of the older versions below for interest, and as a back-up in case there is a feature you use that somehow got broken in the newer version.
This is a simulator for Windows (and has been tested on Windows 11). Linux users have reported UnoArduSim.exe runs fine under the proper Windows emulator, and the same should be true for Apple iOS users.