Re: Newbie Questions

Joseph Tucker <[email protected]> Fri, 4 Sep 2015 12:35:30 -0600
Newsgroups gmane.comp.science.openeeg.general
Message-ID <CA+zxmgk2skh5VuD7-4C66qoBj4if0Yku93ziVdt5t4LTrP2wdA@mail.gmail.com>
Does anybody know of a diy system that can use brain field activity to show
localized hot spots in certain regions? Most setups seem to just measure
alpha/beta waves and whatnot. I'm looking for something that will tell you
where your awareness is being concentrated in your mind.
On Sep 4, 2015 2:13 AM, "Jake Stewart" <[email protected]> wrote:

> I've been held up by being unable to find the ADS1299 I had kicking
> around.  Otherwise it seems simple enough.  Solder up a plain jane ADS1299
> board with a ESP8266 module on it.  I'd like to also add a Lipo battery
> charger to it at some point, but that's really all I see it needing.
>
> Still at just a theoretical stage at this point, even though I have
> started playing around with the ESP8266.  When I get something soldered
> together I'll be sure to post here.
>
> -Jake
>
> *Sent:* Wednesday, August 19, 2015 at 8:54 PM
> *From:* "Richie Cyngler" <[email protected]>
> *To:* "Discussion of EEG hardware, software, training protocols, NFB
> theory - for developers and users." <[email protected]>
> *Subject:* Re: [Openeeg-list] Newbie Questions
> Hi Jake,
>
> I'm also interested in an up to date and low cost EEG solution, your
> project sounds ideal. Are you documenting your progress anywhere online? Is
> there anything I can so to assist?
>
> cheers
> Richie
>
> On Wed, Aug 12, 2015 at 6:17 PM, Jake Stewart <[email protected]> wrote:
>>
>> OpenBCI is a decent platform to base something on, but there are a few
>> flaws.  It's bandwidth is severely hobbled by the crap bluetooth dongle
>> they used in the design.  It also has a fair bit of useless hardware, like
>> the accelerometer and SD card.  The 8-bit board's Atmega processor is
>> popular but old and underpowered.  The 32-bit board uses some oddball PIC
>> processor.
>>
>> That last comment would be the problem I also see in the EEG64 project.
>> It uses an oddball 16-bit processor.  We really need to base things around
>> popular, market leading processors that are readily available in mass
>> quanity for cheap.
>>
>> I need a high performance system with a low per-channel cost so I’ve
>> looked at the cheapest high performance options.
>> STM32F103C8 boards are available for about $4.75 and would be, by far,
>> the best price/performance board readily available.  Arduino Nano USB
>> boards are only about $2.50 and are by far the most popular, but I think it
>> would be a mistake to base anything new around such an old 8-bit processor.
>>
>> I'm currently looking at creating an EEG board using an ESP8266 module.
>> This would be the cheapest solution of all, with a $3-4 ESP8266 module
>> handling both the SPI data and wifi connection.  It remains to be seen how
>> many channels the 8266 can handle while maintaining the wifi link.
>>
>> -Jake
>>
>> *Sent:* Sunday, June 28, 2015 at 2:22 AM
>> *From:* "Martin Molina" <[email protected]>
>> *To:* [email protected]
>> *Subject:* Re: [Openeeg-list] Newbie Questions
>> Looks like John Ruelas is on the ball. I would like to suggest that we
>> rally behind the www.EEG64.com project so that the open source community
>> truly has an up to date eeg platform. Once it's functionality is tested and
>> confirmed, then attention can turned towards the refinement of non-contact
>> or dry active electrodes.
>>
>> Thoughts?
>>
>> Martín
>>
>>
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>
>
>
>
> --
>
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