[Milkymist-devel] $99 Minimist?

Zoltan Hoppar hopparz at gmail.com
Wed Oct 26 13:14:09 EDT 2011

Hi Sebastien,

If you come out with the Minimist, I'll be glad to purchase one!

Furthermore - I feel that device can be much-much better in parts - I
mean let have an central base as MiniMist, and it would be nice to be
able connect an (open source) Kaoss Pad (like the Korg Kaos Pad Mini),
or an open source aurora mixer
(http://www.auroramixer.com/media.html), and so on - and the end
you'll have the ultimate DJ/VJ set... But this is only my opinion.

See you,


2011/10/26 Sébastien Bourdeauducq <sebastien at milkymist.org>:
> Please send replies to the Milkymist mailing list. Thanks!
> -------- Original Message --------
> Subject: [Milkymist-devel] $99 Minimist?
> Date: Wed, 26 Oct 2011 18:25:09 +0200
> From: Sébastien Bourdeauducq <sebastien at milkymist.org>
> Reply-To: Milkymist One, Milkymist SoC and Flickernoise developers' list
> <devel at lists.milkymist.org>
> To: Milkymist One, Milkymist SoC and Flickernoise developers' list
> <devel at lists.milkymist.org>
> Hi,
> I can see a need for a very cheap Milkymist device. Right now, selling
> the Milkymist One is difficult to two groups of people:
> 1) open source enthusiasts and developers, who do not want to spend much
> money on a tech product (unless there is a Apple logo on it).
> 2) VJs. While the Milkymist One sure is competitive when taking into
> account the cost of the proprietary software they use at the moment,
> they have a strong culture of using this software - which they sometimes
> jump into using a pirated copy. The Apple logo also seems to help here.
> I think we should keep promoting and improving the Milkymist One (more
> media exposure, development of RC4 hardware features such as DVI/HDMI
> compatibility, better software). But I also believe we should work on
> lowering one of the main barriers to entry into our project.
> How about trying to make a $99 minimal version? Here is how I see it:
> * Artix-7 XC7A30T FPGA - most probably cheaper than the one we have at
> the moment, and even a tad faster.
> * HDMI only video output. Direct (read "cheaper") connection to the FPGA
> without DAC and people keep asking for it (even though their projectors
> are generally VGA, go figure). So that would kill two birds with one stone.
> * SDRAM/Flash: to avoid development and maintainance headaches, let's
> try to stay compatible with what we have on the current board, unless
> big savings can be made. Software would be the same except the FPGA
> design which would only undergo minor modifications to target the
> Artix-7 instead of the Spartan-6.
> * Memory card. Updates are via files on the memory card.
> * Video-in based on the ADV7181C (like in M1 RC4). Only composite input
> accessible with an external connector.
> * Audio: the Artix-7 FPGAs now include ADCs, so we can get away with at
> most an op-amp on the board. Only internal microphone.
> * Two USB ports. If the transceivers are expensive, consider using
> resistors instead. (This hack worked for me, even though I'm pretty sure
> it's not USB compliant)
> * Power supply: right now we use a foolproof design whose main goal was
> to reduce development time and probability of verification of the Murphy
> laws. It can certainly be made cheaper by using a power management IC
> (like TPS75003 or such).
> * That's all for the PCB! No Ethernet, DMX, etc. Hopefully we'll have
> MIDI over USB support.
> * Case: injection molding? Seems aluminum molds (usable up to a few
> thousand pieces) can cost only a couple of thousand dollars.
> * Accessories: only a power supply transformer. No camera, cables, etc.
> * Packaging: the cheapest we can find. I think this device will be
> pretty small so we could even look at things like
> http://blog.nicolasrenous.fr/wp-content/uploads/2008/01/tv-b-gone.jpg
> Comments?
> S.
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