Yet another hoverboard to onewheel project

DIY Builds
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hi vfear how ı can find there mainboards, ı am from Turkey

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@Zuen Are you alive man ?!!! This group seems to be dead :confused:

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I see that the project is on hold. The latest firmware version was pretty good, but needed some minor improvements. I managed to test - I successfully flashed the boards (stm) and even managed to do a test drive. Acceleration while maintaining the zero position of the inclination of the board - successfully. I used motors with good parameters 5 core wires and 30mm magnets. Now there is not much left: we need to adjust the smoothness and a few more parameters. Is there anyone interested in this and ready to help? Zuen sent me a lot of information and files in PM. He doesn’t write to us anymore :frowning: I don’t know what happened… I have all the data I can provide and the sources of different versions of the project. Is there anyone here who wants to help complete the project he started?

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I am going to start this project soon, would you mind sending the project files? I can at least post them on GH and once I get mine built I will attempt to join all the code together. Will keep everything open source once I start on the software.

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@Vfear Would you be willing to send over the code?

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Hi, I’m planning on embarking on this project as well. Is there any update to the FOC firmware or would I be better off just using the onewheel with it’s stock firmware once created.

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Hi, happy new years, its 2026, I am quite late to the party, but am interested to convert hoverboard to one wheel due to DIY interest and also due to monetary reasons not able to get One Wheel, Float Wheel and VESC.

The goal: To use fully hoverboard parts (electronics and hardware) with no additional electronics or upgrades (weight sensor foot pad / new battery). Of course there will be need to modify the form factor into One Wheel, and using fundamental, easily sourced hardware will allow wider flexibility for the average DIY-er to attempt this. (aluminum frame, tyre, or wood)

What my progress and findings so far:

  1. Form Factor / Hardware

    1. I think this is no issue now, as a lot of resources has been shared in this thread (3d Models / material sizes / etc) and the form factor is really up to anyones’ creativity and knowledge on their current material of choice.

  2. Firmware (The big problem)

    1. So far the latest as I know is what is done by GitHub EFEru hoverboard-firmware-hack-FOC, for anything other than original hoverboard mode, its all there.

    2. I’ve successfully flashed both the main board and the side boards with the Hoverboard Variant just to test out

      1. (i’ve got the GD32F130C8 - if you have issues, refer to: GitHub EFeru hoverboard-sideboard-hack-GD Issue 9 & GitHub EFeru hoverboard-sideboard-hack-GD Issue 8)

    3. The only issue right now is that the original Hoverboard variant is not implemented

      1. According to this GitHub EFeru hoverboard-firmware-hack-FOC Issue 62, we can reference on the balancing code to implement into EFeru’s original hoverboard variant code

        1. The ultimate problem is, as shared similarly to VFear, I am not a coder but am trying to studying the code of EFeru (its very complicated with a lot of things combined and don’t make sense to me, what goes where and where the reference code needs to go)

      Just trying to reach out to OG guys that has successfully done the One Wheel and perhaps have some experience in coding for the firmware, could anyone share some ideas how to proceed forward to meeting the goal above?
      @bula87 Can I ask for your code for balancing on github, since you have forked from EFeru and enhanced the balancing code?
      @Zuen / VFear , can you share the FOC code as that is whats missing from the fork from bipropellant fork as compared to EFeru’s (Reaching out so that I can somehow revive the hoverboard to its original settings)

      Bwees i’ve seen your V1 hoverboard video and blog post, was wondering if you have experience coding and could share some advice on the implementation as asked above?

      Cabbage , learning from my mistake, just use stock hoverboard firmware, do all the form factor modifications and ride for a little while before starting the flashing project~
      I got stuck because I thought I could fix my already broken firmware but was way over my head.

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Yay, loved seeing this project and glad you’re getting some use. Just posting to bump and help it get some attention

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Hello everyone! Im also late to the party and just recently explored converting a hoverboard into a onewheel ish platform.

It happened by accident when a local scrap collector offered me a junk hoverboard for cheap. Fast forward i converted the hb into a onewheel. The first one i used the stock foot pad optical sensor and stock fw. The second hb i got i used a pressure sensor for car seatbelt and a custom fw based on zuens fw at github.

After alot of testing i have finally found what causes the sudden uncontrolled accelaration on zuens code.

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The major flaw or bug.

If you crash or the nose dipped to the ground. The board will accelarate at full speed ignoring speedcaps. It will just dump all the power to the motor for a couple of seconds. Which is super dangerous! At first i think the fw was thought i rider is onboard and was trying to balance it. But it also ignored the foot on pad delay. Meaning it will SUA sudden unintended accelaration even if no one is stepping on the foot pad

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So the flaw is simple.

Code wise which i am not really good at. During step up. There is a code that when tail down and foot pad sensor is on. Then start to balance the fw will function well

But!

There are no codes written when during step up and the board is resting NOSE DOWN and foot pad sensor is on. That is when SUA happens. The board will go full accel backwards for a few seconds. So simply adding a code that tells the board to not do anything when step up initiated during nose down fixed the major flaw that zuen was experiecing.

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That’s awesome! Thanks for posting. Do you have a link to the code you used? I would love to see a full build thread on your projects! Ive had a few opportunities to snag a free or next to free hoverboard and this sounds like a great little project to try. I don’t really want to invest in a vesc wheel and the future motion business practices turn me off on the whole prebuilt scene.

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Im really not familiar with github forks or grabbing shared codes and modiying it for my liking. But if noone os offended i can upload the final fw i made based on zuens.

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Im not allowed yet to share vids and pics. But as soon as im allowed i would love to show vids on the difference between using stockhb fw vs new fw

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Awesome, the quickest way to get the trust level up and prove your not a bot by doing the tutorials. Pretty sure doing a few of them will get your trust level up so you can post pictures and start threads pretty quick.

I don’t know GitHub either - i just barely can program led micro controllers :laughing:.