Car Simulator Arduino Pedals




I have a on going project to build a car-simulator and one goal is to get the feeling like sitting in a real racing-car. With this instruction I explain how I have build my pedals to my car simulator. Of course you can buy stuff like this but I want to build it cheap. My pedals have gas, brake and clutch and use a Arduino (Windows native drivers) to connect to usb port.

Hope I can inspire you with my building and I meet you on a trackday in Project Cars!

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Step 1: Parts You Will Need to Buy or Get From Scrapyard

1. Arduino Pro Micro

You can use any of board based on ATmega32U4

2. Usb cable between Arduino board and computer.

3. 3 piece Slide Potentiometer 5kohm.

4. 3 cheap styling pedals for cars.

5. Spring

6. Some metall to build pedal construction in

7. Nuts, bolts and cables to potentiometer

8. Project Cars or another car simulator you like.

Step 2: Welding Potentiometer and Arduino Together.

Connect Gas to A0, Brake to A1 and Clutch to A2.

Connect each potentiometer to +5v and GND

See draft.

Step 3: Programming Arduino and Test

For this you need to download MHeironimus/ArduinoJoystickLibrary Version 1.0 and JensArduinoCarPedals from Github.

Install libary and open jenswsArduinoPedal project.

Download it to your Arduino board and connect to your gaming computer.

Go to Controlpanel/Hardware and sound/Devices and printer.

If everything is correct you now see your arduino board as a joypad.

Right click on your Arduino board and choose Game control Settings

After you choose your Arduino board you can go to tab test and test your potentiometer.

Step 4: Building Pedal Construction

I build my pedal construction in steel and welding it together. One tricky part was to find spring with correct feeling. You have to test what you like. I also fond that 100mm from bottom to center of pedal was a good length for my foot.

I show some pics how i have done to give you idea how you can build yours.

Step 5: Install Potentiometer on to Pedal Construction.

I have choose to mount my potentiometer in back of pedal console.

When I press on a pedal potentiometer go from 0 to 5kohm.

It may be a better solution to mount direct on pedal?

Step 6: Settings in Project Cars

Start Project Cars and go to Options/Controls/Edit assignments

Choose Throttle and press on gas pedal.

Do the same with Brake and Clutch

Step 7: Test Run in Project Cars

If you have done everything correct you now have som nice pedals to you car simulator.

Probably I gona build version 2,0 of my pedals.

I'm not 100% satisfied with the feeling in my pedals.

Maybe i rebuild brake to hydraulic and try different springs on gas and clutch.

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23 Discussions


Tip 16 days ago

Hello everyone. I was able to make it work for the following reason.

The library link above is from version 2.0.5 but the pedals program works ONLY in version 1.0 it is necessary to get the library from another location.


Question 17 days ago

What version of the library did you make this program for?

So I am building a complete simulator and it is 80% ready. The code is not compiling, I added the correct folder to the library and set up the circuit but I tried everything and the code does not compile, it seems that it does not recognize the library.

Sorry anything i don't speak english - speaking by google translator

1 answer

Answer 17 days ago

Hi i'm using verison 1.0.
Try that and I think it should work, Good luck!


3 months ago

esta es mi pedalera! todavia estoy dandole reformas para que sea mas presisa


Question 3 months ago

is there going to be v2.0 and is there any link for pots can't find anywhere or where did you salvaged them nice work


7 months ago

Hi when I load the libreira "arduinjoysticklibmaster ..." arduino 1.8, it gives me an error the file does not contain a valid library. do you have a solution? Thank you
1 reply

10 months ago

Is the pro micro a necessity or will this work with a nano? (I already have a nano sitting around)

Suraj Bhawal

2 years ago

That's an amazing looking pedals here... I also made the complete simulator set a few years ago. I used PIC18F2550 as the brain of the system. worked great for a while until one day my nephew decided to break it.

4 replies

no... But it's on my to-do list to re-do this project sometime in the future... But if you want the firmware for the pic, I have that and I can give it to you if you want.


2 years ago

Hi I have an arduino uno R3 which has the ATMega16U2 instead of what you suggest. Will I still be able to do this?

1 reply

Reply 2 years ago

I not sure I'm using a library that only work with 32u4.


2 years ago

I want to make a complete simulator, is it possible to do it with arduino?

1 reply

2 years ago

Very cool! Thanks for posting!


2 years ago

Wow nice project.
Keep up the good work!


2 years ago

Yes you can use this to a arcade racking game. I plan to build a steering wheel with a servomotor.