23 Jul
2006
23 Jul
'06
9:02 a.m.
If you're looking for an octal keypad, why not start with this one?
http://www.electronicsurplus.com/commerce/catalog/product.jsp?product_id=760
50&czuid=1153670221149
Sounds pretty spiffy to me--and large enough that you possibly could build
your entire project in the enclosure.
Cheers,
Chuck
On 7/23/2006 at 6:52 AM Don Y wrote:
woodelf wrote:
Chuck Guzis wrote:
The usual surplus places I check at the moment don't have any
good switches. I plan to make a simple EEPROM programer with
a octal keypad and was looking for a cheap way of doing it.
If you put a processor in it, why not consider just using
a serial console as your "user I/O"?
I made a *touch tone* phone years ago with a *dial* on it.
(Amusing to see the reactions from people using it. :> )
I you expect to just use octal for data entry, the same
scheme could apply (imagine a classic 500/2500 series
station set with a ZIF socket up under the handset
cradle and a small LED display above the dial... :> )
Definitely a geek conversation piece! Now I
wonder who makes a nice key pad switches? I want real
stuff keys not some 5 cent plastic switch matrix.
Well, the surplus dealers sometimes have some unusual stuff:
http://www.electronicsurplus.com
http://www.meci.com