From: yaniv_vi (yaniv_vi_at_yahoo.com)
Date: 2001-12-16 10:55:20
hi brian
thanks dude , you're right in your comment , and that's really i
think was the original goal of this group .
can i please ask you to help in general issues ?
could you spare some of your time and volunteer to help us ?
that's would be very helpfull and greatly appreciated !!
and about the ir interface . wait dude ! one step at a time !
first let's get a low cost version to people .something that works .
then the other stuff ! and there are many god ideas that needs to be
done !
i think the future is going to be very interesting !
sincerly
yaniv
--- In buildcheapeeg_at_yahoogroups.com, "jbamster" <jbamster_at_earthlink.net> wrote:
> Yaniv,
>
> Great point! Some of us aren't electronic tinkerers, we're
interested EEG
> enthusiasts.
>
> I've seen some comments on IR on Palm PDA's. Would you propose a
wireless
> eeg attachment to the head, connecting thru IR?
>
> Thanks,
>
> Brian
>
> -----Original Message-----
> From: yaniv_vi [mailto:yaniv_vi_at_yahoo.com]
> Sent: Friday, December 14, 2001 3:41 AM
> To: buildcheapeeg_at_yahoogroups.com
> Subject: [buildcheapeeg] Re: Some Pricing Calculations
>
>
> hey doug
> great of you to post all the pricing information . i think it's very
> valuable .
> can i ask a little request from you :
> i believe all the info your checking now , is for self building .
> but let's assume we want everybody to have the option to have such
> device , at cheap . so we need somebody to assemble this babies :)
>
> so could you please find what would be the cheapest way to get them
> to public ?
>
> thanks
> yaniv
> --- In buildcheapeeg_at_yahoogroups.com, Doug Sutherland <wearable_at_earthlink.net> wrote:
> > Here's some more pricing information, comparing the price
> > of amplifiers between the various designs. These are only
> > the instrumentation and operational amp parts ...
> >
> > 1) The OpenEEG RS232EEG design
> >
> > 2 INA114P $6.82 $13.64
> > 3 TLC272 $0.81 $2.43
> > -----
> > $16.07
> >
> > 2) The OpenEEG ModularEEG design
> >
> > 2 INA114P $6.82 $13.64
> > 10 TLC277 $1.68 $16.80
> > -----
> > $30.44
> >
> > 3) The Biosemi low cost EEG spec (for 2-channels):
> > (http://www.biosemi.com/publications/artikel7.htm)
> >
> > 2 TL062 $0.92 $1.84
> > 3 LT1012 $5.00 $15.00
> > 4 TLC1078 $4.37 $17.48
> > -----
> > $34.32
> >
> > 4) The Brainmaster freeware build specs
> > (http://groups.yahoo.com/group/mind-l/message/17254)
> >
> > 2 AD620 $9.41 $18.82
> > 4 OP90 $3.74 $14.96
> > -----
> > $33.78
> >
> > 5) The Circuit Cellar HAL-4
> > (http://www.cc-concepts.com/products/hal4/hal4.pdf)
> >
> > 6 TL084 $1.20 $7.20
> >
> >
> > All prices are single qty from Digikey, except the
> > Brainmaster parts which are from Newark. I was a
> > bit surprised to see that Atmel microcontrollers
> > are cheaper than some of these amps ...
> >
> > -- Doug
>
>
>
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