[Noisebridge-discuss] Ready to restart Arduino Thursdays at Noisebridge
Ronald Cotoni
setient at gmail.com
Tue Oct 5 16:49:12 UTC 2010
I am interested in arduino Thursdays. What time would all the awesome be
going down?
On Mon, Oct 4, 2010 at 8:50 PM, Glen Jarvis <glen at glenjarvis.com> wrote:
> And using the macintosh type power plug that plugs into the laptop to make
> covalent bonds and slight electomagnetic fields for hydrogen bonds .... Lots
> of cool ideas... :)
>
> Glen
>
> El Oct 4, 2010, a las 7:04 PM, Ari Braginsky <contact at aribraginsky.com>
> escribió:
>
> Ah, perhaps then some sort of optical rotary encoder / stepper motor setup
> (6 degrees of freedom) that could measure the changes in angles between
> arduinos assuming the lengths of the bonds were constant or able to be
> included in the measurements. Similar to an armature used for recording
> movements into a computer, etc.
> --
> Ari Braginsky
> Game developer / Flash, iPhone, .Net, and Web 2.0 Engineer
>
> <contact at aribraginsky.com>contact at aribraginsky.com
> <http://aribraginsky.com>aribraginsky.com
> <http://blog.aribraginsky.com>blog.aribraginsky.com
> <http://twitter.com/lemonkey>twitter.com/lemonkey
>
>
> On Mon, Oct 4, 2010 at 6:46 PM, Glen Jarvis < <glen at glenjarvis.com>
> glen at glenjarvis.com> wrote:
>
>> Ari,
>> In my case, I am trying to make 'intelligent' molecular models.
>> Remember the 3D structures/molecule models that one can make with balls and
>> sticks? Some very cool things can be done if one can make more
>> 'intelligence' in the model. If each ball was a mini-arduino, the balls can
>> behave differently (i.e., simulated molecular bonds) if it knew what it was
>> close to and how close.
>>
>> However, I want actual distances so that I can "read off" a Protein
>> Databank (PDB) model by giving the current "structure" (of how things are
>> bent) in a similar format.
>>
>> The following example is much too big for a real model to be built
>> practically, but for hemoglobin:
>>
>> <http://www.pdb.org/pdb/files/3NMM.pdb>
>> http://www.pdb.org/pdb/files/3NMM.pdb
>>
>> We see a similar format:
>> ATOM 1 N VAL A 1 18.316 29.094 42.473 1.00 49.94
>> N
>> ANISOU 1 N VAL A 1 6347 6070 6557 -116 -32 -387
>> N
>> ATOM 2 CA VAL A 1 19.223 30.151 41.933 1.00 42.49
>> C
>> ANISOU 2 CA VAL A 1 5410 5081 5651 -126 -50 -368
>> C
>> ATOM 3 C VAL A 1 20.665 29.719 42.077 1.00 32.36
>> C
>> ANISOU 3 C VAL A 1 4127 3811 4357 -156 -55 -340
>> C
>> ATOM 4 O VAL A 1 21.018 29.074 43.059 1.00 35.08
>> O
>> ANISOU 4 O VAL A 1 4469 4189 4672 -172 -51 -354
>> O
>> ATOM 5 CB VAL A 1 19.042 31.503 42.668 1.00 46.90
>> C
>> ANISOU 5 CB VAL A 1 5978 5603 6240 -125 -64 -414
>> C
>> ATOM 6 CG1 VAL A 1 17.563 31.720 43.036 1.00 55.58
>> C
>> ANISOU 6 CG1 VAL A 1 7076 6706 7338 -95 -54 -456
>> C
>> ATOM 7 CG2 VAL A 1 19.930 31.576 43.919 1.00 51.78
>> C
>> ANISOU 7 CG2 VAL A 1 6599 6233 6843 -153 -72 -439
>>
>> So I'd love to "read" the format of how the models are being bent and
>> manipulated on the fly.
>>
>> This is total fantasy at this point because the idea of getting an arduino
>> (or something like it) small enough to be a single 'ball' in the ball and
>> stick model isn't exactly realistic. But, you never know, maybe something
>> practical can come from it...
>>
>> Glen
>>
>>
>> On Mon, Oct 4, 2010 at 6:20 PM, Ari Braginsky < <abraginsky at gmail.com>
>> abraginsky at gmail.com> wrote:
>>
>>> Perhaps an implementation of inertial positioning relying on
>>> accelerometers and such. I too have been interested in this topic,
>>> specifically related to environments without GPS, etc.
>>>
>>> -Ari
>>>
>>> On Oct 4, 2010, at 6:13 PM, Glen Jarvis < <glen at glenjarvis.com>
>>> glen at glenjarvis.com> wrote:
>>>
>>> As a total spin off question, I was thinking over the weekend of a
>>> particular problem that I have. This is a long term -- way off in the future
>>> problem. However, as we're talking about cool arduino stuff, I was wondering
>>> if anyone had any ideas.
>>>
>>> I am trying to find coordinates between my arduinos (i.e., the position
>>> of each arduino compared to each other in 3D space). Imagine many arduinos
>>> "plugged together" (daisy chained in different configurations) -- I am
>>> thinking a two wire communication daisy chained between arduinos. Sometimes
>>> an arduino will have two arduinos plugged into it, sometimes three --
>>> whatever the bus can handle. Other times, it may have one. Or it may be a
>>> 'leaf node' that has none plugged into it, but it's plugged into something
>>> else. Imagine plugging this in as you would connect nodes in graph theory.
>>> The valency of the network would be limited by the bus size and number of
>>> plugs needed to send a signal.
>>>
>>> I'd like to have a very accurate way to represent the arduinos in 3D
>>> space relative to each other in real time. If the user picks up an arduino
>>> and moves it into a new location, it should be possible to read off the
>>> change in 3D space. (GPS not necessary -- only with respect to each other).
>>>
>>> I know this is a very hard problem. And, I know we can triangulate one
>>> location with respect to another. However, what type of signal? A radio
>>> signal -- some type of very hacked xbee communication with radio strength?
>>> Because the system already has to have a wire between systems, can we use
>>> that to our advantage instead of having to use wireless? What's simple but
>>> effective?
>>>
>>> Does anyone have any ideas? I won't have time to actually "do" anything
>>> with any idea as I'm suddenly *way* too busy and booked up until at least
>>> December. And, I'm already behind on a commitment I have with the ML
>>> group.... So, just looking for ideas at this stage.. to think about while
>>> I'm showering, on BART or bicycling.
>>>
>>>
>>> Cheers,
>>>
>>>
>>> Glen
>>>
>>>
>>>
>>> On Mon, Oct 4, 2010 at 5:55 PM, Daniel Garcia < <dgarcia at dgarcia.net><dgarcia at dgarcia.net>
>>> dgarcia at dgarcia.net> wrote:
>>>
>>>> On Oct 4, 2010, at 5:02 PM, Michael Shiloh wrote:
>>>> > Me too! I have yet to do anything wireless, but am anxious to try. Do
>>>> > you have any modules?
>>>>
>>>> I have a pair of xbee modules, and the usb explorer and a fio (arduino
>>>> w/xbee mountings) - but I got the series 1 models, which don't do mesh
>>>> networking.
>>>>
>>>> So far, i've just been using it for wirelessly programming - which has
>>>> been fun, but not what I got them for. Once I finish up my current project
>>>> (an led clock) i'll probably go back to looking at using the xbees to talk
>>>> to each other.
>>>>
>>>> I think if I want to play with mesh though, i'll have to go with the
>>>> series 2.5.
>>>>
>>>> --Dg
>>>>
>>>>
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>>>>
>>>>
>>>
>>>
>>> --
>>> Whatever you can do or imagine, begin it;
>>> boldness has beauty, magic, and power in it.
>>>
>>> -- Goethe
>>>
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>>>
>>
>>
>> --
>> Whatever you can do or imagine, begin it;
>> boldness has beauty, magic, and power in it.
>>
>> -- Goethe
>>
>
>
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