[Coco] CoCo keyboard connector
Bruce W. Calkins
brucewcalkins at charter.net
Fri Mar 2 19:26:31 EST 2012
----- 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.
More information about the Coco