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