[sdiy] Improving LED response when driven from half-wave rectifier

[Analog/DIY]

I fail.

Sent from my iPad

On Sep 6, 2012, at 1:36 PM, ChristianH <chris at chrismusic.de> wrote:

> Aha. Now we have learnt he has an iPad,
> and he knows how to use it. At least somewhat ;-)
> 
> Chris
> 
> 
> 
> On Thu, 6 Sep 2012 12:59:02 -0400 Analog/DIY <itsfatmike at gmail.com>
> wrote:
> 
>> 
>> 
>> Sent from my iPad
>> 
>> On Sep 6, 2012, at 8:23 AM, rburnett at richieburnett.co.uk wrote:
>> 
>>> Regarding using bi-colour LEDs to show bi-polar signals, and exponential scaling for brightness, etc....
>>> 
>>> Paul Maddox had a really neat bi-colour LED on one of his products at SynthDIY this year that blinked and throbbed in brightness to depict the chosen LFO waveform and rate.  All I know is that it was done with a handful of discrete PWM duty-ratios, but it certainly seemed to vary smoothly in brightness and was perceived as looking very organic and natural.
>>> 
>>> -Richie,
>>> _______________________________________________
>>> Synth-diy mailing list
>>> Synth-diy at dropmix.xs4all.nl
>>> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
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