[sdiy] Coloured LEDs

[Vladimir Pantelic]

On 22.02.2017 09:25, rsdio at audiobanshee.com wrote:

>> in my case controlling 53 LEDs with just 2 CPU pins and very little
>> CPU overhead is worth it.
> 
> I see, with SPI you can update a long string without glitches, so
> long as you control the dead time between updates to be at least 50
> us. Total time for you would be 1.64 ms for a total update, assuming
> 800 kHz mode, allowing up to 609 Hz refresh rate (at 4X).

indeed

> These chips don't look so bad after all.

they look pretty good to me:

https://vpme.de/wp-content/uploads/2016/05/euclid_bw-768x768.png

:)