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This page is a translated version of the page Manual:Software:Simulator and the translation is 100% complete.

Other languages:
rusEfi firmware simulator is a way to play with the controller without any hardware! All you need is a Windows computer.

Feel free to contribute a Posix port for unix, this should not be that hard :)

Download & uncompress

Start simulator via Dev Console

1) double-click on rusefi_console.jar (you would need Java installed to do this). You should see


2) Hit the 'Start Simulator' button.

Out development console would launch the simulator & display some gauges and signal shapes.

Connecting to simulator with Tuner studio

TunerStudio needs a serial port and firmware_simulator listens for data on locahost TCP port 29002, we would need some software to do the translation:

Prepare Serial to TCP redict

1) Download hw-vsp3-single from

2) Install & configure


3) Hit 'Create COM' button and wait a bit.

Feel free to use any other

TODO: one day someone would create a screencast and this would help a lot!

If you follow these steps, you should be able to connect Tuner Studio to a virtual instance of rusEfi and tune it online!