A random collection of photos/videos from building a 300led walking stick/staff

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21

So then, depending on how you have them wired up, you’re going to need a multiple Li+ cell charger so they all get charged and balanced equally. Otherwise, over time, you’ll end up with a few of them undercharged compared to the others. And after an even longer time, one or more won’t charge at all while the others are.

Or you can stick with single cell chargers but have one for each battery. Either way, it gets more complicated.

22

Is there a better suited type of battery ?

23

Not in that small a package, no.

24

By the way, @Larry1 , are you planning on designing your own circuitry, or are you MacGyvering stuff together?

25

Eventually I’m going to design my circuitry but right now we’re in the macgyvering stages.

26

Always fun. When you get a chance, or are overly bored, look up the MAX8903 IC and read up on it.