Thanks everyone for some great suggestions to explore. I was expecting=20
there would be a "stock" solution to this particular problem other than=20
the deadband idea which seems popular. The issue with perception of=20
light levels is really mostly on the low end of the brightness scale .=20
The worst being when the light is either barely on or completely off. I=20
am using LEDs so no forgiveness as in an incandescent bulb.  Perhaps a=20
custom lookup table may end up being the simplest approach here
Jim

On 2015-11-27 01:14 PM, Bob Ammerman wrote:
> >From personal experience, I know that at the lower end of the brightness
> scale a 1/256 change in trigger phase for an AC phase control dimmer is v=
ery
> visible. I wouldn't be surprised if 1/1024 is at least noticeable to some
> people.
>
> ~ Bob Ammerman
> RAm Systems
>
>

--=20
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