I’m happy to help.

I don’t know much about WLED, but from the other comments here it would appear so. And i think it’s also what makes the most sense.

If i’m understanding your question, what you’re looking for is Ohm’s law
Amp = watt / volt
1 / 24 = 0.042
You want milliamps, so multiply by 1000 giving you 42mA per IC

I recently found jtx board.
It has journal, todo list, and notes functions but it can be customized to only show whichever function you use on the main screen.

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It’s not foss (i know that kinda defeats the purpose) but it needs no account, no permissions and has no ads.