Urm... Anyone look at http://mudlist.eorbit.net/~adam/pickey ? GPL source and schematics for a PIC 16C63 based chorded keyboard and mouse. Plugs into the PS/2 ports. No special drivers needed. Martin Ling wrote: > I need input. > > I don't like the Twiddler. > > What I'm looking for is a five-key chording keyboard, which I can mount > on my upper thigh - thus having it usable whilst walking (very much like > having a hand in one's pocket) or place on a flat surface (god forbid, > maybe even a desk) when available and hold like a mouse. > > Such things are extremely quick to type on after a little practice. > > The old way of doing this - the Microwriter: > > http://www.nifty.demon.co.uk/images/odd/mw/ > > No idea if I can still get hold of one. Somewhat clunky thing, but I > could remove the LCD and surrouding section. Also no idea of power > requirements - although it has its own rechargable battery, apparently. > Output is RS232. All aside, this page does offer the chords it was > programmed with, which appear to have had some degree of thought behind > them. > > Apparently the new way: > > http://www.infogrip.com/bat.htm > > Seven keys (three for thumb, one each finger). I don't know the layout, > presumably well thought out. Interface is standard PC keyboard. Power > unknown, almost certainly drawing from the k/b port - shouldn't be much. > > $199. Nothing much to some around here, but too much for me. > > Patrick Bennnet was asking about these a few days ago on the list, also > complaining of cost. Sorry Patrick, meant to reply to you on that one. > This is more or less directed at you also. > > So - build-your-own alternatives. > > Lee Adamson's parallel port design. > > http://web.mountain.net/~roair/wearjunk.html > > Next to nothing to build, similar to BAT but with four thumb keys. Looks > like you'll be writing a (working) driver yourself. > > Design from a Russian chap. > > ftp://sac-ftp.gratex.sk/sac/utilmisc/7key.zip > > Extremely simple (basically, switches wired directly to a parallel port. > Keymap with both English and Russian characters supported, driver for > DOS. I intend to contact this person to see if they have any further > developments. > > Anyway - all up, at some point before the end of this month I will be > assembling a keyboard along these lines, and getting it working on > Linux (possibly writing own drivers). I'll let everyone know how it > goes. Anyone else interested specifically in this (Patrick? Anyone > else? let me know). > > Martin > > -- > -----[ Martin J. Ling ]-----[ http://www.nodezero.org.uk ]----- > > -- > Subcription/unsubscription/info requests: send e-mail with subject of > "subscribe", "unsubscribe", or "info" to> Wear-Hard Mailing List Archive (searchable): http://wearables.blu.org -- Adam Wozniak Senior Software Design Engineer Surveyor Corporation
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