[neonixie-l] Re: Favorite cross-fading algorithms...

['threeneurons' via neonixie-l]

On Sunday, November 13, 2016 at 6:10:49 AM UTC-8, Nick wrote:
>
> Just wondering what people's favorite smooth cross-fading algorithms
>
>
On my current multiplexed clock kits, I've been using an exponential decay 
and complementary rise:

<https://lh3.googleusercontent.com/-MryUjn-idhk/WDK63owGA9I/AAAAAAAAYg4/xFEksB8YS7EDheSvrwoAMDDpIUl8rF-UQCLcB/s1600/Cross_fade.jpg>

Completed over a half second period. The duty cycle for the "old" and "new" 
values are stored in a look-up table, that was calculated on a spreadsheet. 
Blanking (dark) period is greatest in the middle, so the total light does 
dip in transition.


Seems to work okay in 1 of 6 multiplexing, with an AVR chip at 8MHz.
  

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