Make fade-resolution choosable

[hansimglueck]

As a "follow-up" to my wish #109, I also would very much like too see the option of 10bit, 12 bit or 16bit pwm-resolution in this beautiful Library.
In this case I am using ESP to drive a meter of LED-strip. The steps of the 8bit resolution are clearly visible in dark situations...

As I understand this might be tricky to implement in a platform-independent way, but there must be a way, isnt it?

Anyway thanks for the great work!

[ghost]

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.

[ghost]

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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