[Noisebridge-discuss] Interest check: HDL/FPGA for noobs class?

[Robert "Finny" Merrill]

And as for I/O I don't see why we can't just interface it with the
raspberry pis and arduinos that everyone already has for that kind of
thing, and just use the FPGA to do things that FPGAs are particularly good
at.

Projects I was thinking of:
- SPI to I2C bridge
- Vocoder (two I2S inputs, one I2S or SPDIF output)
- Logic analyzer?


On Tue, Apr 2, 2013 at 4:56 PM, Robert "Finny" Merrill <
rfmerrill at berkeley.edu> wrote:

> (it's on the other side)
>
>
> On Tue, Apr 2, 2013 at 4:55 PM, Robert "Finny" Merrill <
> rfmerrill at berkeley.edu> wrote:
>
>> That board has a clock source on it
>>
>>
>> On Tue, Apr 2, 2013 at 4:41 PM, M. Elizabeth Scott <beth at scanlime.org>wrote:
>>
>>> That board may be a good start, but to design useful things you'll need
>>> a clock source and probably a little I/O. If folks in the class are using
>>> breadboards, the clock could be a "metal can" oscillator module.
>>>
>>> If possible, I'd recommend getting a slightly more featureful board
>>> though, especially for educational purposes. I like the KNJN.com boards.
>>> Their "Saxo" board includes USB 2.0 (via a microcontroller you can choose
>>> to program or not) and a clock source. It's a little more expensive at $60,
>>> but still in the same ballpark:
>>>
>>> http://www.knjn.com/ShopBoards_USB2.html
>>>
>>> If you can find a cheap board with a VGA output (or build a cheap R-2R
>>> ladder on a breadboard), I've found that video is a really fun way to learn
>>> FPGA development. I'm a visual learner, and it helped a lot to be able to
>>> build video signals in real-time :)
>>>
>>> -m
>>>
>>>
>>> On Tue, Apr 2, 2013 at 3:04 PM, Robert "Finny" Merrill <
>>> rfmerrill at berkeley.edu> wrote:
>>>
>>>> This is what I have:
>>>> http://www.ebay.com/itm/251215580947?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
>>>>
>>>> I figure gate/LUT count isn't a big deal because even a small FPGA is
>>>> fairly useful
>>>>
>>>>
>>>> On Tue, Apr 2, 2013 at 8:23 AM, John Ellis <neurofog at gmail.com> wrote:
>>>>
>>>>> +1
>>>>>
>>>>> Shouldn't we standardize on a cheapish FPGA board though. I'll do some
>>>>> research to whats available for under $50
>>>>> The mojo is $75 + shipping, kind of okay price for a Spartan 6 chip,
>>>>> but low in LUT/Gate count.
>>>>>
>>>>> -John
>>>>>
>>>>>
>>>>> On Tue, Apr 2, 2013 at 8:07 AM, Danny O'Brien <danny at spesh.com> wrote:
>>>>>
>>>>>> +1
>>>>>>
>>>>>>
>>>>>> On Tue, Apr 2, 2013 at 5:07 AM, Henner Zeller <h.zeller at acm.org>wrote:
>>>>>>
>>>>>>> +1
>>>>>>> On Apr 1, 2013 10:43 PM, "Robert "Finny" Merrill" <
>>>>>>> rfmerrill at berkeley.edu> wrote:
>>>>>>>
>>>>>>>> I've got a decent handle on this stuff and it seems like a lot of
>>>>>>>> people at NB are interested but few are experienced.
>>>>>>>>
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>>>>>>
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>>>>>>
>>>>>
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>>>
>>
>
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