[Chat] I'm Tomu - A tiny ARM microprocessor which fits *inside* your USB port (for U2F or other tasks)

[R. Tyler Croy]

(replies inline)

On Tue, 17 Jan 2017, Tim Ansell via Chat wrote:

> Hello everyone!
> 
> As mention in Rob's U2F talk and demonstrated at the Open Hardware
> Miniconf, I'd like to introduce yet another of the too many projects
> <https://j.mp/timtoomany> I'm involved.
> 
> Tomu <https://tomu.im/> is a tiny ARM microprocessor which fits **inside**
> your USB port. I have ~100 of the devices here and want to give you one!


Without one how do you build anything for it? :)


Either way, I'd be happy to trade you $10 for one, I know I have $10, I'm not
sure I can cram an idea into 8K of RAM though :/


> 
> At the moment, the big missing part of the project is the software. Hence,
> I'm very interested in getting the device into people's hands so we can get
> some. If you contribute to the project in some way *I will give you one for
> free. *Non-coding contributions are also encouraged, I'd love a logo and
> fixing my horrible documentation :-P
> 
> The Tomu design is fully open source (AU000001
> <http://certificate.oshwa.org/certification-directory/>), has a BOM of
> ~$USD10 (in individual quantities) and is constructible by (semi-skilled)
> hobbyists! It was designed to potentially be used for 2-factor
> authentication but could be used for anything else you can think of (USB
> indicator, USB OTP, other?).
> 
> The ARM processor has the following specs;
>  * 25MHz ARM Cortex-M0+
>  * 8kb RAM / 64kb Flash
>  * USB 2.0
> 
> (There is also a "plus" version which has 48MHz, 32kb RAM, 256kb flash, but
> I haven't made a large amounts yet..)
> 
> You can get to the slides of my lightning talk at https://j.mp/tomu-lca2017
> and the website for the project is tomu.im, all the code and design is at
> https://github.com/im-tomu
> 
> There is also one small snag, I need to load a modified bootloader and
> example firmware onto the 100 boards via ARM 2-wire and could use some help
> with doing that.
> 
> Love to hear everyone's thoughts and see what people do with the Tomu board!
> 
> Tim 'mithro' Ansell

> _______________________________________________
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> Chat at lists.lca2017.linux.org.au
> http://lists.lca2017.linux.org.au/mailman/listinfo/chat


- R. Tyler Croy

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