You could try storm700/900 series keypads.
These have removable key legend tiles so you could substitute you own 
tactile ones.
They are waterproof as well.
http://www.storm-interface.com/products_description.asp?id=8
Hope this helps.
D Maynard.

----- Original Message ----- 
From: "Edzard Egberts" <ed...@tantec.de>
Newsgroups: fltk.general
To: <fltk@easysw.com>
Sent: Friday, December 07, 2012 12:20 PM
Subject: Re: [fltk.general] Keyboard Extension with function keys


>>> The main problem would be the pcb and the keys, for controller today I
>>> would use one of them http://arduino.cc/en/Main/Products (for little
>>> amount of pieces) - they are very easy to program (C++!), so there is no
>>> "controller development" to do.
>>
>> Thanks for this info. If we can't find a complete solution, I would
>> also consider building an own device, but that is probably not what
>> my customer (a software development company) want to do. However, if
>> it was possible to find someone who builds a case with the keys and
>> puts the controller inside, then ... maybe.
>
> Every engineering office using microcontrollers should be able to do
> this for you - it is a "just to do thing", nothing special. It's a
> standard problem to design special keyboards for devices, e.g. plastic
> foil keyboards. But for your application you should use single keys,
> because they are more tactile and durable.
>
> Anyway - did you think of keyboard beeps for distinguish blind
> keypressing? This is also a thing, a microcontroller could do for you
> (okay, much sophisticated).
>
> And regarding to the software development company - selling own hardware
> saves a dongle. ;o)
>
>> Do you know whether there are better ways to
>> do it, maybe with a direct USB driver and an API that makes it more
>> "direct" to use the key presses?
>
> Most of the USB solutions create a virtual RS232 port for communication
> to software. Also the Arduino does - there is a usb connection, but you
> can access it as a serial device.
> _______________________________________________
> fltk mailing list
> fltk@easysw.com
> http://lists.easysw.com/mailman/listinfo/fltk 

_______________________________________________
fltk mailing list
fltk@easysw.com
http://lists.easysw.com/mailman/listinfo/fltk

Reply via email to