[GTALUG] Hardware Hack - help needed

[Lennart Sorensen]

On Mon, Apr 10, 2017 at 09:41:24PM -0400, Giles Orr via talk wrote:
> I'd like to do that, but I think there are a few more steps involved.
> Want to help out?  Can you point me to a detailed HOWTO for doing
> this?  I'm not an electrical engineer, but I can solder, I have basic
> programming skills, and I can probably lay hands on a ROM burner if
> needed.  But it seems translating the output to USB is may also be an
> added challenging step ...  Any help appreciated.

Well the thinkpad keyboards don't have a rom, or any map.  They have
a raw matrix apparently, and you need a controller with a lot of input
puts to read the keyboard state and turn that into key codes.

>From looking at what you linked to, it seems you would need some small
processor that can work as a USB client device to pretend to me a USB
keyboard, and also has some 35 to 40 inputs that can be connected to
the keyboard.

It does sound like quite a bit of work to figure out.

-- 
Len Sorensen