http://www.instructables.com/files/d...CJ8.MEDIUM.jpg


see if this posts, the last post disppaeared with all the info.
in the meantime, since i have to check taxes,
if you go to http://www.instructables.com/ and search for brain controlled wc , you will et to the article, i have pro membership and have dl the pdf files, so if your interested let me know,put my screen name in the subject line, so i will filter it to my email folder, not spam or not lost, meanwhile i may puke about the boston marathon explosion, scared to think of what time zone the runners were in.