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Open Source Hardware
Forum MyGenWashy: From Vienna Hackathon to Open Source Smart Washing Machines — A Blueprint for Resilient Tech
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  • Replies 24 replies
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  • washing machine
  • recycle
  • hackathon
  • open source
  • electronics
  • digital product pass
  • open source hardware
Related

MyGenWashy: From Vienna Hackathon to Open Source Smart Washing Machines — A Blueprint for Resilient Tech

mayermakes
mayermakes 2 months ago

It all started at Mariahilfer i, Vienna’s grassroots hub for resilient technologies, circular economy
projects, and hacking culture. During a hackathon hosted in this unique space—also home to the
Kintsugi Repair Café—Patrick Awart of IoT Austria kicked off an ambitious idea: Give old,
mechanically sound washing machines a second life by retrofitting them with open-source, smart
control electronics.

The project immediately resonated with Clemens Mayer—known to many in the Element14
Community simply as Clem. Clem is well known for his personal mission to ensure there’s at least
one reliable, open-source version of every essential technology, strengthening society’s resilience in
the face of closed ecosystems and throwaway culture. So naturally, he jumped on board.

Backed by Mayer Makes, IoT Austria, and the Mariahilfer i community, the MyGenWashy project
quickly evolved beyond a weekend hack—blending hardware hacking, Smart Home integration,
repair culture, and open-source compliance into one focused initiative.

Smart Tech Meets Circular Economy

MyGenWashy retrofits old washing machines with generic control boards, designed to integrate
seamlessly into Smart Home systems via ESPHome and Home Assistant. Thanks to IoT Austria's
early ESPHome integration efforts, the machines can already be monitored and controlled over
local networks — with future interface options including reusing old smartphones as intuitive
displays and touch controls.
From a technical perspective, the team uncovered fascinating aspects of washing machine design
during teardown and reverse-engineering:

  • Air Pressure Water Level Control: A refreshingly simple mechanical system regulates
    water levels—efficient and reliable.
  • Mechanical Safety First: Even generic control boards include hardware-based protections
    against overflow and overheating.
  • Simplicity at Scale: Many washing machines, regardless of price point, share common
    components like Darlington ULN2003 relay drivers.

The takeaway? The hardware is already durable. By replacing only the electronics with open, user-
serviceable, and Smart Home-compatible alternatives, we extend appliance life, cut electronic
waste, and empower users.

The Power of Community and Open Source Certification

This project isn't happening in isolation. Mariahilfer i also hosts the Kintsugi Repair Café, making
it the perfect hacking ground for repair-focused experimentation.
MyGenWashy ties directly into Smander.com's work on the Open Digital Product Pass (ODPP) —
an ambitious initiative to fulfill upcoming EU requirements for product transparency, circular
economy documentation, and CE-compliant, truly open-source hardware. In partnership withregulatory experts, ODPP aims to create verifiable, safe open-source designs that meet real-world
legal and technical standards.

image

image

Generous Hardware Support for a Repairable Future

The project wouldn’t have accelerated this fast without crucial support from hardware allies:

  • AISLER generously provided professional-quality PCBs for the prototype and development
    phases, reinforcing their commitment to local, small-batch, repair-friendly production.

  • Farnell contributed essential components, helping Makers and engineers realize a fully
    functional control board with energy-efficient, Smart Home-ready capabilities.

This shared mission—making hardware repairable, modifiable, and accessible—is at the heart of
the broader movement MyGenWashy embodies.

Once we get to a stage where Certification comes into play we can count on Smander.com to achieve this milestone.

Open Source, Fully Documented, Ready to Evolve

The complete MyGenWashy design, including schematics, component lists, and ESPHome
configurations, is available on GitHub for replication, modification, and iteration:
https://github.com/mayermakes/MyGenWashy
Beyond washing machines, the principles apply to other household devices—building a blueprint
for modular, repairable, connected hardware with community-driven innovation at its core.

Join the Mission: One Open Source Version of Everything

For Clem, Patrick Awart, Thomas Losert, and the wider community, this is more than a project—it’s
a movement toward resilient, sustainable technology.

  • Want to contribute to ODPP, open hardware standards, or MyGenWashy v2 and v3?
  • Interested in creating open-source, compliant alternatives to everyday tech?
  • Believe in empowering users to repair, reuse, and innovate?

The door is open:

contribute@odpp.at

http://odpp.at

Together, we can ensure the technology we rely on remains transparent, repairable, and open—
because resilient societies are built on resilient tools.

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Top Replies

  • shabaz
    shabaz 2 months ago +5
    Hi, I've not looked in detail, but one thing that would really bug me, is that there's live mains just an accidental touch away, on that TO-220 triac sticking up, likely taller than any other part too…
  • DAB
    DAB 2 months ago +3
    I like the idea. Us older folk just want a simple device that is easy to use and does a good job.
  • Robert Peter Oakes
    Robert Peter Oakes 2 months ago +2
    Awesome project, At a minimum it is a great way to introduce people to how commercial / consumer appliances are designed (Good and Bad :) I would think the same principles could also be applied to AC Home…
Parents
  • DAB
    DAB 2 months ago

    I like the idea.

    Us older folk just want a simple device that is easy to use and does a good job.

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  • kmikemoo
    kmikemoo 2 months ago in reply to DAB

    DAB Absolutely.  When I went shopping for my last clothes washer, it had to have an agitator.  Forget that "gentle on your clothes" stuff.  I want to get back to "beat those suckers clean".  My clothes got cleaner with a 35 minute cycle inefficient washer than they did with my 70 minute cycle high efficiency washer.  If it doesn't get the job done, it doesn't really matter how efficient it supposedly is.  "It failed!"  "Yes, but if failed very efficiently." Rage

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  • kmikemoo
    kmikemoo 2 months ago in reply to DAB

    DAB Absolutely.  When I went shopping for my last clothes washer, it had to have an agitator.  Forget that "gentle on your clothes" stuff.  I want to get back to "beat those suckers clean".  My clothes got cleaner with a 35 minute cycle inefficient washer than they did with my 70 minute cycle high efficiency washer.  If it doesn't get the job done, it doesn't really matter how efficient it supposedly is.  "It failed!"  "Yes, but if failed very efficiently." Rage

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  • mayermakes
    mayermakes 2 months ago in reply to kmikemoo

    I also prefer simple interfaces. the concept allows to implemtne a plaethera of UI varaints and one will surely be a "just make the clothes clean" button.

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