Make fade-resolution choosable

[hansimglueck]

Make fade-resolution choosable

Seconding this, 8-bit vs 10-bit is extremely noticeable when fading leds at dimmer brightness.

[jandelgado]

@hansimglueck @rainyotter could you provide an example which I can use as the base for some research please?

[Welsyntoffie]

I am fading 30meters of white LED rope lights using standard library and see no noticeable weird effects. Fading is smooth.
I fade from 1 to 255 using Arduino Mega.

I use a LED bulb as a 'sunrise' light, where it slowly dims up over several minutes. At 8-bit resolution, the steps are extremely noticeable at the low end. Even dimming by hand (i.e. with a potentiometer) they're noticeable. I use 10-bit now (not using this library), but even that still has some faint steps during slow fades.

[github-actions]

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