Lmp1 Style Custom Wheel




“The document states that “optical radiation detected by the retina impacts an individual’s behavior, psychology, and perception of the environment.”

What is being talked here is that the LED light on the eye retina is bad for health! The LEDs on this wheel are so intense, as they are configured, that sickness can be felt after the first minute. 

Keep this in mind when using yours too bright.

On The wheel


The rim is a Sparco P104 replica,



the box on top of the wheel is a rectangular plastic (ABS) one,




the board that holds the little multicolored buttons the display and the leds its a generic board that holds a Tm1638 chip.




the Leds on the 1638 board are 5mm, 3.2V, Pink. It´s an arduino Nano to connect all this apparatus.



There´s a singular push button on the wheel and  it´s a NKK MB2011 with a GB13B guard.

The board inside the BOX




I desoldered the default leds and buttons. It was then used the 5mm pink leds and longer push buttons. With longer push buttons i could fit the colored caps (photo above).


You can connect this board to the arduino nano in the same manner as in the project of DiY Shift Light and Display for Sim Racing

As in here, below


I use this wheel on one of my G27´s and it works fine. Can´t show a picture because i have none.

You can make different arrangements with the DX SLI Manager software regarding the displays and Leds configuration.

Converging shift lights is an example



On closing…

This was a  quick made project. It came as a solution for a display on the wheel and it turned out just fine, with room for the full degree of rotation of the wheel, 900º.

As this was a project that was almost all built in my garage, extreme attention to tolerances in measurements on the cutting of the box was not taken into account.

A reminder is that it can be used in other wheels because the software runs independent of the wheel.

More information can be found on my video.

Custom Wheel


See you soon on the next project.

Bibliographical References for LEDs Studies.





DiY Shift Light and Display for Sim Racing


I will do my best to explain the building of this project. It is a simple one, with 3  main physical components;

  • An Arduino nano board
  • a TM1638 led board
  • a mini usb cable, depending on the Arduino you use.

The cassette makes part of the overall aesthetics, so not important item in the function of the Display and Leds.


There is a need for a piece of software and i will refer to it later in the post.

Let´s say you have the materials to start the building process; you should have in your hand a TM1638 board and a Arduino nano / Uno / Leonardo. Obs: For this to fit the cassette case it had to be done with the arduino nano, due to its small size. It can either be used an Arduino Uno or Leonardo. It is my knowledge this will function correctly with these boards.

Nano Tm1638 done

This is an Arduino nano, arduino nano This is a TM1638 Board, IMG_20160303_165935

Connecting the TM1638 board to the Arduino, (most important part)

  • The TM1638 Display has on its board labeled “DIO” (data pin), “CLK” (clock pin), “STB0″(strobe pin 0), “VCC” and “GND”.
  • The Arduino has labeled on the board “8”, “9”, “7”, “5V” and “GND”.

As is showing in the above picture, you connect “DIO” to “8”, “CLK” to “9” , “STB0” to “7”, etc.

Here is an example of a connector that can be used,

jumpers arduino

Jumpers for e.g. Arduino


TM1638 Shift Light Project

The last part is the software. For this i have made a short video to present it. Here!

On the video you will find a software that is easy to use comparing it to the DX SLI Manager software from the original video, available too, on my Youtube channel.

The same hardware process but using DX SLI Manager.

For this post i have another software (batrako). The difference between these two software options is that DX SLI Manager is highly costumizable and there´s only the need to check boxes to change settings but its iRacing only!

This software , however, just needs a code in the Arduino and launch the software. It is customizable too but demands knowledge about programming. The information displayed on the code is very evident and easy to give an idea of what each line on the code does but still, it´s not like checking boxes to make changes. So this second version of software can run on Pcars, Assetto Corsa, iRacing, rFactor 1 and rFactor 2.


For this all to work, as pointed and shown in the short video, you need Arduino software IDE. If you encounter any problem with this software you will have to do your homework. When set up correctly this software runs perfectly.

3 bits of information more,

here is another Shift Light project using an Arduino Leonardo,


It can run the same software; batrako and DX SLI.



Summer is warm…Subscribe on Youtube!

This is it, fellas. Catch me next time, here or there.