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Kaypro II key repeat sensitivity?

atod

Experienced Member
Joined
Oct 14, 2010
Messages
303
Location
New York, NY
Hi,

I recently replace the foam pads in my Kayrpo II keyboard. None of them worked and were rotted out. I purchased a few different types of open cell foam, cut it with a nichrome wire to 0.2", then used a 7/16" hole punch to punch foam pads and mylar disks from a space blanket. I put all the keys back in. When I press a key it repeats like crazy. I see about 6 - 8 other characters appear on the screen output and beeps. If I touch the key very very lightly with a small tap, then only a single character corresponding to the key appears which is correct. Debugging further, I removed the keypads and used one "in my hand" to gently tap the contacts on the PC board. That too causes a very sensitive behavior where the I get a bunch of characters output to the screen and beeps. It's like the keyboard is too sensitive or the debounce is messed up.

Does anyone have any pointers? I don't think it is the key pads.

Thanks
 
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