Hello! Thanks for the great library, its fast,

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Hello!

Thanks for the great library, its fast, fully featured and doesn’t screw with millis() unlike Adafruit’s lib.

I have a question regarding using 150 LEDs in a ring as a clock. I would like each clock “hand” - which would be a particular colour on the ring with a blur effect applied - to give the illusion of moving smoothly around the ring.

Another way to explain it is if you imagine having a ring of holes of say 50cm diameter, and lights of different colours shining through the holes where the second/minute/hour hands would be. The holes would be bright directly under the light, and less so further away. As the light moved around the circle, the holes would light accordingly.

I would like the same effect as the above, which I can achieve but without smooth motion. I move the “second hand” every 0.4 seconds, but even with a large (~10) spread blur it’s still not smooth. Is there a way to give the illusion that the hands move smoothly around the ring?

Thanks for any help

-Eli

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Not code related, but are you diffusing the pixels or have you experimented with diffusing them?

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I’m using a blur on the pixels to diffuse them which helps, but it still has the same stepped appearance. I need to sort of increase the resolution of the ring essentially, by fading the LEDs accordingly. But any attempts I’ve made at doing that don’t really look too good.

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If you need a very smooth/blurred scroller I suggest you look at Mark’s anti-aliased example:

https://plus.google.com/112916219338292742137/posts/2VYNQgD38Pw

and T.Asse’s smooth clock which he posted a while back here. As the code is specifically for a led clock, you could have it running in no time.