We’ve seen a few cool hacks for mainstream commercial EEG headsets, but these are all a tad spendy for leisurely play or experimentation. The illumino project by [io] however, has a relatively ...

According to the OpenEEG website, the real thing costs several thousand dollars. The OpenEEG parts list suggests you can build a DIY EEG for about $200. What might you do with a homebrew EEG?