[sdiy] Switch debounce

[David J. Hughes]

Tom,

on 28/1/05 11:15 AM, Tom Arnold at xyzzy at sysabend.org wrote:

>> http://www.onsemi.com/site/products/summary/0,4450,MC14490,00.html
> 
> Well, 2 reasons  1.  I shouldnt need to, this has been done I'm certain
> millions of times without a specialized chip.  2.  I have it working on my
> seq2 board and cant recreate the *exact* circuit on my own, so now I'm bent.
> I could also solve the problem with code but I'm not going to do that
> either.

I use this chip eliminate the excessive bouncing on four sets of rotary
encoder contacts that was seriously affecting the timing integrity of our
ZEIT sequencer. I didn't have much space because the circuit has to sit
alongside the encoders plus a VFD plus the power connectors for the board
and the VFD.

> I'm hoping, if I survive this week, to spend some time figuring out what
> I've screwed up, but as I sent that last email about an hour ago and claimed
> I was going to bed and then the Motorola Wireless Sleep Deprivation Device (
> also called a Pager ) started its little dance across my nightstand and I'm
> back at the computer.

Don't ya just lurve modern technology?

Regards
   David

-- 
Infection Music Limited.                     http://www.infectionmusic.co.uk

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