Re: braille keyboard?

keyboards are no more than an x y grid and a translation board,

the elf
----- Original Message ----- From: "Tyler Littlefield" <tyler@xxxxxxxxxxxxx> 
To: <programmingblind@xxxxxxxxxxxxx>
Sent: Tuesday, March 24, 2009 7:46 AM
Subject: Re: braille keyboard?
you'd need to get a little more advanced and see which keys were pressed at what times, then translate them to the print version and send them out. 


Thanks,
Tyler Littlefield
Web: tysdomain.com
email: tyler@xxxxxxxxxxxxx
My programs don't have bugs, they're called randomly added features.
----- Original Message ----- From: "Alex Hall" <mehgcap@xxxxxxx> 
To: <programmingblind@xxxxxxxxxxxxx>
Sent: Tuesday, March 24, 2009 7:39 AM
Subject: braille keyboard?



Hi all,
This has been on my mind off and on for years: I would like to make a Braille keyboard. I am realistic enough to know that it will probably never happen (I could not pay for all the parts), but I want to know about the programming end of things. How would I go about this? I assume a microcontroller with a pin for each key. The controller has a sort of "database" where certain pins mean send certain keyboard messages, and send nothing as long as any key is pressed (except control keys). Am I way off the mark? I imagine nine keys (six like usual plus space, backspace, and enter) as well as control, shift, applications, escape, a key for JAWS or other screen readers to use (mimics Insert with numlock off), and Windows, and maybe a row of function keys. Is something like this possible? I know that some devices like this exist, but they are extremely expensive and I do not know if they have all the modifier keys necessary for full computer control. 

Have a great day,
Alex
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