DIY Button Box: Customize Your Sim Racing Controls

DIY Button Box: Customize Your Sim Racing Controls
Author Alessio Lorandi
Alessio Lorandi
November 29, 2023

Level up your sim racing experience with a homemade, DIY button box that offers customizable controls tailored to your preferences and style. Not only will this give you more direct and convenient control over in-game functions, but it will also enhance the authenticity of your sim racing setup. In this guide, we’ll take you through the essential steps in building your very own button box, ensuring it enhances the enjoyment of your gaming sessions.

Key Takeaways

  • Creating a DIY button box elevates your sim racing experience by adding customizable controls to your gaming setup.
  • Building a button box facilitates better handling of in-game functions compared to using a keyboard or mouse.
  • Assembling your own button box requires essential materials such as buttons, toggles, rotary encoders, and an Arduino Pro Micro.
  • Design your layout with functionality and comfort in mind, ensuring all controls are easily accessible and ergonomically placed.
  • Take your button box aesthetics up a notch with finishing touches, such as a carbon fiber vinyl wrap.
  • Proper wiring and programming are crucial for a functional button box, which involves using the Arduino IDE.
  • Once completed, your DIY button box will provide a personalized control panel that boosts the enjoyment of your sim racing games.

Introduction to Building a Custom Button Box

A custom button box significantly elevates the sim racing experience for avid gamers, providing them with more direct and convenient control over in-game functions without relying on traditional keyboard or mouse setups. This article will guide you through the process of creating your own button box from scratch, highlighting the flexibility of design, the excitement of a DIY project, and the functional benefits offered by the completed button box simulator. Each section is meticulously crafted to empower you in building a button box that truly resonates with your racing style and needs.

Introduction to Building a Custom Button Box

Embarking on a button box project gives you the opportunity to express your creativity and personal style while also improving the functionality of your sim racing setup. Thanks to the step-by-step button box tutorial provided in this article, you can easily navigate through each phase of the process. By the end, you will have a custom button box that enhances your gaming experience and makes accessing key controls more efficient and intuitive.

From sourcing the right components and materials to designing the layout, assembling the hardware, wiring the controls, and programming the microcontroller, this button box tutorial will guide you through every step. Don’t worry if it sounds daunting at first – once you get started, you’ll quickly discover that every stage is manageable, enjoyable, and ultimately rewarding. Are you ready to build a button box simulator that will change the way you play? Let’s dive in!

Gathering Your Materials and Tools

Gathering Your Materials and Tools

Before starting with your button box setup, it’s essential to ensure you have all the necessary materials and tools to build a button box successfully. This section will guide you through the process of gathering the requisite button box components and tools, as well as acquaint you with the software prerequisites to make your project a success.

Essential Components for Your Button Box Project

Several key button box components are necessary to create a functional and customizable control panel. The list of required materials includes, but is not limited to, the following items:

  • Various buttons, toggles, and rotary encoders
  • An Arduino Pro Micro microcontroller board
  • A mini USB to USB cable for connecting the Arduino board to the computer
  • A button box enclosure designed to house and protect the electronics
  • Vinyl wrap for customizing the enclosure’s appearance
  • Knobs for rotary encoders and switch covers for enhanced usability
  • A label printer for labeling buttons and switches
  • A rubber grommet to protect and manage wiring

Selecting the Right Tools for the Job

While assembling your button box, you will need a variety of DIY tools to effectively complete the project. Equipping yourself with the right set of tools ensures smooth progress and professional results. Some of the key tools you’ll need include:

  • A drill with various drill bits for creating holes in the enclosure
  • Soldering tools, including a soldering iron and solder, for establishing reliable electrical connections
  • Calipers for precisely measuring components and enclosure dimensions
  • Screwdrivers, wrenches, and cutters for assembling and positioning components

In addition to the physical tools, you’ll also require specific software tools to aid in designing and programming your custom button box. These include:

  • An Arduino IDE for coding and uploading your custom configuration to the Arduino Pro Micro
  • Design software, such as Photoshop or Paint, for creating and optimizing your button box layout

With the right combination of materials, tools, and software, you are now ready to embark on the exciting journey of building a button box customized to enhance your sim racing experience.

Designing Your Button Box Layout

Creating the perfect button box layout is crucial to optimizing your sim racing experience. A well-conceived design ensures that all controls are easily accessible, enhancing your on-track performance. This section will guide you through the process of designing your button box layout while keeping personal preferences and ergonomic considerations in mind.

Start by choosing the types of controls you’d like to include on your button box. These can range from simple push buttons to toggle switches and rotary encoders. Consider the quantity of each control type in accordance with their intended functions, ensuring you have ample options for different game scenarios. A balance of buttons, toggles, and encoders can provide a versatile and intuitive sim racing button configuration.

Designing Your Button Box Layout

The next step is to draft the layout itself. Software such as Adobe Photoshop or Microsoft Paint offers a convenient digital canvas for designing your button box layout. Alternatively, grab a pen and paper to sketch your design by hand. The choice is yours, but remember that the end goal is an ergonomically friendly layout that affords seamless in-game control.

Personal preference plays a significant role in designing your button box. Keep in mind how certain button placements may feel more natural to you while racing. For example, you might want to place the most frequently used buttons within a thumb’s reach of the wheel. Some racers may also prefer specific toggle switch placements for gear shifting or ignition. Ultimately, your button box design should cater to your unique sim racing habits and enhance your overall experience.

In summary, designing your button box layout involves a mix of practicality and personal preferences. Take the time to consider the types and quantities of controls and draft a layout that maximizes comfort and ease of use. By putting thought into your design, you’ll create a button box that truly elevates your sim racing experience.

Assembling the Button Box Enclosure

Now that you have gathered all the necessary materials and tools, it’s time to assemble your button box enclosure. This process involves drilling holes, fitting the buttons, switches, and encoders, as well as implementing a personal touch with aesthetic elements, such as a carbon vinyl wrap.

Drilling and Fitting Buttons, Switches, and Encoders

Begin by marking the center points of each button, switch, and encoder on the enclosure. This is an important step, as it will ensure both neatness and functionality when fitting the components. Once marked, proceed to drill the appropriate sized holes for each component.

After the holes are drilled, it’s time for fitting buttons and switches, as well as assembling the encoders. Install each component carefully, using the provided nuts or appropriately sized alternatives. Remember to take your time, ensuring that each part is securely and neatly fitted within the button box enclosure.

Adding a Personal Touch with Aesthetics

A customized button box should not only function effectively but also reflect your unique style. To add this DIY aesthetic touch, consider using a carbon vinyl wrap that complements your preferred color palette.

Apply the wrap to the enclosure, making sure to wrap it around the corners and remove any excess material. This decorative element not only adds a high-end appearance to your button box but also makes it truly unique to you.

There you have it—a beautifully assembled button box enclosure tailored to your style and preferences. With the enclosure complete, you can now move on to the next steps of building your customized button box for an enhanced sim racing experience.

The Wiring Process: Connecting Your Controls

Wiring is a crucial step in creating a functional button box, and it involves button box wiring, connecting controls, and soldering button box components to form a cohesive button box circuit. The most efficient way to wire the buttons, switches, and rotary encoders is to utilize a matrix layout. This method simplifies the wiring process and optimizes input efficiency.

The Wiring Process: Connecting Your Controls

First, carefully solder the wires to each button, switch, and rotary encoder, following your matrix design. It is important to maintain a clean and organized workspace during this process, as it will help avoid any potential mistakes or confusion. To better differentiate between different functions or groups of wires, consider using different colored wires.

Once all the wires are soldered, connect them to the corresponding pinouts on the Arduino. This step requires patience and precision, so take your time to ensure each wire is securely connected to the appropriate pinout.

Throughout the wiring process, it’s essential to regularly test the connections to ensure proper functionality. Identify any issues and make necessary adjustments to your wiring before proceeding to the next step. This will save time and reduce potential problems when programming your button box later on.

While dealing with electronics can be intimidating, remember that practice makes perfect. As you gain confidence in your soldering and wiring abilities, your custom button box will come together smoothly, paving the way for a more immersive sim racing experience.

Programming Your Button Box with Arduino

Programming Your Button Box with Arduino

Now that your button box is assembled and wired, it’s time to program it using Arduino code to achieve its intended functionality. In this section, we will guide you through understanding the programming process, uploading the button box code, and testing your custom configuration.

Understanding the Code for Button Box Functionality

To program your button box, you will need to create an Arduino sketch that maps each control to a specific input recognized by your computer. Begin by downloading and installing the Arduino IDE, which will provide a user-friendly environment for implementing your code. Essential libraries such as Joystick and Keypad.h need to be included in your sketch and properly understood for optimal button box performance.

By taking the time to comprehend the code and how it relates to your button box components, you’ll gain the knowledge required to create a custom configuration tailored to your sim racing needs.

Uploading and Testing Your Custom Configuration

Once your code is complete, it’s time to upload the sketch to the Arduino board. To do this, open the Arduino IDE and follow these steps:

  1. Select the correct Arduino board and port from the Tools menu.
  2. Verify your code by clicking the “Verify” button.
  3. Upload the code by clicking the “Upload” button.

After uploading the button box code, you’ll need to test your custom configuration to ensure all buttons and controls interact seamlessly within your sim racing software. To verify that each input produces the expected outcome in-game, open the control settings in your sim racing software and map your button box inputs accordingly. While testing, make any necessary adjustments to your code and re-upload it to the Arduino board. This process will help optimize your button box’s functionality, ultimately enhancing your sim racing experience.


As you reach the final stages of your DIY button box completion, take a moment to appreciate the creative process and how it has transformed a simple idea into a powerful accessory tailored specifically to your sim racing needs. You’ve worked diligently to source the right components and tools, design and assemble the perfect layout, and bring it all together with precise wiring and programming. The end result is a truly customized button box for gaming that will undoubtedly enhance your sim racing experience.

Finalizing your button box is a testament to your commitment and passion for sim racing, providing you with a personal, practical tool that puts important controls right at your fingertips. Not only does this make gameplay more enjoyable, but it also adds an authentic touch to your simulation environment. With this new level of control and immersion, you’ll find your racing skills reaching new heights.

As you use and enjoy your DIY button box, remember to take pride in the hard work, creativity, and attention to detail you’ve invested to make it a reality. Every time you reach for a control during a race and notice the difference it makes in your experience, remember that it’s all thanks to you and your efforts. So, prepare yourself for countless thrilling races, and most importantly, have fun with your new custom control panel.


What are the essential components needed to build a DIY button box?

The essential components include various buttons, toggles, rotary encoders, an Arduino Pro Micro, a mini USB to USB cable, an enclosure, and optional aesthetic elements such as vinyl wrap, switch covers, and labels.

What tools do I need for building a custom button box?

You will need a drill, various drill bits, a soldering iron, solder, calipers, an appropriate cutting tool, wrenches, screwdrivers, and a label printer. Software tools include the Arduino IDE and a design software like Photoshop or Paint.

How do I design a layout for my button box?

Your layout should prioritize accessibility, ergonomics, and functionality. You can design it using Photoshop or Paint, or sketch it by hand. Consider what control setup would be best suited to your sim racing style and needs.

How do I wire the buttons, switches, and rotary encoders?

Use a matrix layout for efficient wiring. You will need to solder the connections carefully, following a matrix design and connecting the wiring to the correct pinouts on the Arduino. Organize your wires with different colors for easy identification and regular testing during the process.

What is involved in programming a button box with Arduino?

You will need to write and understand an Arduino sketch to control the button box’s functionality, using libraries such as Joystick and Keypad.h. After uploading the sketch to the Arduino, verify and test the functionality of your button box with your sim racing software.

Can I customize the appearance of my DIY button box?

Yes, you can add aesthetic elements such as carbon fiber vinyl wrap or custom switch covers and labels to personalize the appearance of your button box. The choice is up to you and what resonates with your style.

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About the autor

Alessio Lorandi

Alessio has been involved at the highest levels in racing since the age of 5 (2003). He won a CIK-FIA World Championship in 2013 and then raced in F3, F2, and finally GT3s before now dedicating himself to SOLOX. He’s now on a mission to help thousands of sim racers around the world achieve their fullest potential through his ACC setups.






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