[sdiy] Alternatives to Faders, level display

[Andre Majorel]

On 2007-03-10 13:04 +0100, Ingo Debus wrote:
> Am 07.03.2007 um 16:08 schrieb Edward King:
> 
> >The only issue Ive found is that the level display is inadequate  
> >for fine control.
> 
> I'm wondering if a "moving dot" display with two LEDs with different  
> brightnesses on at a time would be useful for such a thing. Here's a  
> table showing the brigtnesses for three LEDs and nine level steps  
> using four different brightnesses (view with fixed font):
> 
> level  0    1    2    3    4    5    6    7    8
> ------------------------------------------------
> led3   0    0    0    0    0    0.25 0.5 0.75  1
> led2   0    0.25 0.5  0.75 1    0.75 0.5 0.25  0
> led1   1    0.75 0.5  0.25 0    0    0    0    0

Clever. However, with three LEDs, we are approaching the panel
foot print of a small size 7-segment display.

But it's still easier for the average DIY-er to make three round
holes than one rectangular one.

-- 
André Majorel <URL:http://www.teaser.fr/~amajorel/>
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