Re: Chattering Keyboard?

[Tim]

On Sun, 2023-03-05 at 17:21 -0500, Tim Evans wrote:
> Found an old keyboard in the basement.  Swapped it in and the problem 
> disappeared.

Now you can pull apart the faulty one and see if you can clear the
fault, without worrying if you fail.

Membrane keyboards (the ones with two plastic sheets with conductive
traces on them) can fail when grot gets between the sheets.  Likewise,
with a similar single-sheet construction, where there's conductive pads
on each key.

I have a cheap illuminated mechnical keyboard, one of the LEDs went
intermittent and the keyboard started double typing various keys.  I
resoldered the LED and the fault cleared.  I'm guessing it was spiking
and upsetting the keyboard scanner.