Re: TRIAC dimmer control spreadsheet; was Re: Controlling Holiday Lights

["Max" <nospam@xxxxxxxxxxx>]

I have done some playing around with this and found that in order to change
the intensity of a light very very slowly, without seeing any noticeable
step
in brightness (especially noticeable at the lower brightnesses) you need
each
change in time to be around 10us or so.  This means for the criteria
mentioned,
you would need many hundreds of steps, likely about 500 or so.  I would
consider a 100 step dimmer marginal and a 256 step minimum.  But that is
just my preference :-)


> can be used to select values for a new, equal intensity, 16-step dimmer
> curve
> with Full ON, Full OFF and 14 intermediate steps each causing about 6%
> reduction in light intensity.  This would be 'perceptually' plenty good
> enough
> in nearly all practical home automation scenarios.
>
> ... Marc
> Marc_F_Hult
> www.EControl.org
>