[sdiy] Debounce & hold +5v signal for 1/10 seconds

[john mahoney]

> > The app note I have for the 555 timer indicates that it is
> nonretriggerable
> > as a one shot, so this part would fit your needs.
> 
> Only comment on this is use decoupling, the [555] makes a compete 
> mess of the supply lines without it.

That's why Scott G wrote:
> I would suggest using ICM7555 or equivalent 
> CMOS version (much less rail noise). 

7555s use less power and don't cause as much spiking.

TMC555 is another CMOS version, as I recall...

Also: [insert decouple-everything-like-mad comments from Harry B]

--
john