From: JimmyB_101 (jiva_at_humboldt1.com)
Date: 2002-05-25 19:21:58
--- In buildcheapeeg_at_yahoogroups.com, "sleeper75se" <sleeper75se_at_yahoo.se> wrote:
> Hi Yaniv, and everybody else.
>
> Sorry about the delay... some unrelated things got in the way, but
> here we go.
>
> I just uploaded the schematics and layouts and things to the files
> section (under Files/Hardware design/CheapEEG) at Yahoogroups. Feel
My zip software says there's an error in the archive.
> free to copy it to the openeeg site at Sourceforge (btw, I've
> forgotten my password to the home page (not to source forge itself)
> can you help me with that?)
>
> A couple of notes:
>
> I'm using an ATtiny15L AVR microcontroller. It costs about $4 - $6
> less than an AT90S4433 (used in the ModularEEG). It would actually
> make more sense to use an AT90S4433, but keeping the cost down was
> the priority.
>
which side of the pond do you live on?
(estimates made with Euro, US, or ?? sources?)
> Costs:
> Parts that go on the PCB: about $60
> Factory made PCB: $30 (Home-made: $5)
> You will also need some copper plates (to make shielding from), a
> plastic box, two 9V batteries, (battery charger), cables,
connectors,
> electrodes and various bits and pieces (copper wire, on/off switch
> etc...) I'm not sure how much these things cost, but probably no
more
> than another $60.
>
> Total: $150. I honestly don't think you can get below that unless
> you start volume production or something.
>
> Ok, anyone interested? Questions or comments?
>
Excuse me for not keeping a closer eye on the message traffic:
Has the design been tested?
Any working units in the hands of list members?
comment: $150 seems reasonable if it can be "homebuilt".
This archive was generated by hypermail 2.1.4 : 2002-07-27 12:28:43 BST