Re: OpenEEG: Analog Modular EEG interface with Arduino

> It's hard to get 32 bit data out of a 16 bit machine.

Almost as hard as getting 16-bit data out of a 8-bit processor.  LOL... The Atmega8 in OpenEEG is an 8-bit processor BTW.

Anybody played with the new TI EEG chip yet (ADS1299)?  8 channels of 24-bit EEG from one chip sure would be nice.  



> ----- Original Message -----
> From: William Shipley
> Sent: 02/10/13 06:48 AM
> To: Discussion of EEG hardware, software, training protocols, NFB theory - for developers and users.
> Subject: Re: [Openeeg-list] OpenEEG: Analog Modular EEG interface with Arduino
> 
> It's hard to get 32 bit data out of a 16 bit machine. Also, if you're
> looking for an arduino solution you should look somewhere else, like the
> link below. This mailing list focuses mostly on the OpenEEG hardware, a
> specific device.
> 
> https://sites.google.com/site/chipstein/recording-the-eeg-arduino-
> 
> 
> On Sat, Feb 9, 2013 at 12:27 PM, Boštjan Barbiš <[email protected]>wrote:
> 
> > hey,
> >
> > mechanical/mechatronical engineer here as well.
> >
> > I am doing research through open EEG group to learn about the hardware as
> > well. I've just seen your thread and you seem to be doing exactly what i
> > plan to do.
> >
> > How's going?
> > Did you find solution with arduino (32bit??)?
> >
> > How about on multiple channels, did you find a way to chain multiple
> > boards?
> >
> > I have posibilities on my mind, and havent decided yet on which to
> > realise, that's why i am asking about your results.
> >
> > Tnx for responce:)...
> >
> > Regards, Boštjan
> >
> >
> > 2012/11/4 Scott Varnhagen <[email protected]>
> >
> >>
> >> Hello OpenEEG community,
> >>
> >> First of all, thank you for all of your contributions. I am a mechanical
> >> engineering working with a group of neuroscientists to explore
> >> human-machine interactions via EEG. Our main interest is interpreting the
> >> EEG signals and applying pattern recognition algorithms to achieve
> >> multi-dimensional control over various systems. I was overjoyed to find
> >> such a wealth of knowledge available from openeeg on the hardware side, as
> >> that is not our competency.
> >>
> >> As a mechanical engineer, I would like to deal with the electronics on a
> >> "black box" level. I plan to purchase a single EEG-ANALOG-ASM and 4 x
> >> EEG-AE from Olimex for starters. If everything is working as desired, I
> >> will order additional units for more channels. I would like to record the
> >> information provided by the analog circuit with an Arduino system (likely
> >> the Mega2560). This will allow me to record up to 16 EEG channels in the
> >> future, as well as eventually allow me to conduct signal processing and
> >> output control voltages without being connected to a PC.
> >>
> >> I have read through the online literature, but still have many questions
> >> (many will likely seem trivial to non-mechanical engineers). These
> >> questions regard selection of an Arduino system, powering of
> >> the EEG-ANALOG-ASM system, and other component compatibility questions. If
> >> anybody is interested in helping answer questions of this type, please send
> >> me an e-mail, and we can setup a separate e-mail list to avoid spamming the
> >> entire openeeg list.
> >>
> >> Thank you for your time!
> >> Scott Varnhagen
> >>
> >>
> >>
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