[Coco] CoCo keyboard connector

[haywire666 at aol.com]

I'd really like a numeric keypad for my robot project. Were any external numeric keyboards made for the coco?


Much like the heathkit hero robot had, I'd like a keypad for entering in functions or commands.



Or does anyone make something like that now or interested in making something like that now?


Its on my list of things to do, or research, but if I could buy one I'd be all for it...

Steven







-----Original Message-----
From: Stephen H. Fischer <SFischer1 at Mindspring.com>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Fri, Mar 2, 2012 9:19 pm
Subject: Re: [Coco] CoCo keyboard connector


Hi,

It may take a little work, as Maltedmedia still is being organized.

ftp://maltedmedia.com/coco/MANUALS/TANDY/HARDWARE/

is the starting point to look.

ftp://maltedmedia.com/coco/MANUALS/TANDY/HARDWARE/TANDY_HW/COCO/Color%20Computer%203%20Service%20Manual%20(19xx)(Tandy)(pdf).7z

That is the CoCo 3 one but I did not find the CoCo 2 one.

I think that they are also somewhere else on the Web.

SHF


----- Original Message ----- 
From: "Bruce W. Calkins" <brucewcalkins at charter.net>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Friday, March 02, 2012 4:26 PM
Subject: Re: [Coco] CoCo keyboard connector


>
>
> ----- Original Message ----- 
>
> From: "Allen Huffman"
>
>> Hey, is there a tech manual online somewhere? I'm interested in how the 
>> CoCo keyboard connector works. I know it went to a thin mylar connector 
>> for the CoCo 3, but wasn't it a ribbon cable for the CoCo 1?
>>
>> Are the CoCo keys just switches, that open/close contacts and it's read 
>> as an X by Y matrix of switches?
>> -
>> Allen Huffman -
>
>
>
>
>
> The thin Mylar connector came out with the "283" "F" board CoCo 1 and 
> continued through the 2 and 3.  The keyboard was a 7 by 8 matrix of SPST 
> momentary contact switches.  I rebuilt two "real" keyboards for my "E" 
> board CoCo 1.  I actually wore out the first.
>
>
>
> Bruce W.


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