however recently we can get parts, micro controller more low cost, small size and more easy to do custom programing. So I made 3 different prototype first. then make actual low cost interface.
Section 1 is how i made prototype over 20 years ago and new prototype 1, 2 and 3. including Arduino code and test code.
Section 2 is circuit diagram for actual new design brain interface based on prototype 1, 2 and 3.
Section 3 is small size brain interface on going project.
Section 4 is amp noise test.
Section 5 is all construction
Section 6 is head set 3D model and stl files
Section 7 is example of brain wave interactive animation.
Section 8: INAMP-OPAMP + PCB eagle files + 16 bit brain wave interface for Arduino and Raspberry Pi : updated 10 Jan 2013
This brain wave interface hardware work with Mac:
IBVA V22.214.171.124 : not free. all IBVA user since 1991 can get this free upgrade.
Quartz Composer IBVA plugin : free : you can make own visualization and interaction with Quartz Composer.
and PC user can use Brainbay with IBVA plugin for OpenEEG project. : free
following is step by step instruction for this. photo is prototype 1.
1: making of open brain wave interface hardware prototype.
prototype : Step 1
prototype 1: Step 2
prototype 2: Step 3
prototype 3: Step 4
code: Step 5
2: open brain wave interface hardware circuit diagram.
diagram : Step 6 : updated on 9 Oct 2012
construction photo: Step 7 : updated on 24 Oct 2012
noise test: : Step 8 : updated on 24 Oct 2012
3: other Arduino connection : Step 9
4: amp noise test : Step 10
5: all construction : Step 11
6: head set 3D model and stl files: Step 12 : updated on 20 Oct 2012
small head set 3D model and stl files: Step 13 : updated on 5 April 2013
7: brainVJ sample : Step 14
8: brain amp with INAMP-OPAMP : Step 15 : updated on 9 Nov 2012 : updated on 28 Dec 2012
photo and test : updated on 28 Dec 2012. : Step 16
circuit diagram and PCB eagle files : 16 bit brain wave interface for Arduino and Raspberry Pi. : updated 10 Jan 2013 : Step 17