[sdiy] advice on creating power for small wearables? batteries ? solar ? Etc

[Daniel Roberts]

For a one-off or small quantity project, Adafruit has a lot of small
rechargeable batteries, as well as boards to manage charging:
https://www.adafruit.com/category/138

On Wed, Oct 7, 2020 at 12:46 PM Dan Snazelle <subjectivity at hotmail.com>
wrote:

> Hello
>
> I am working on a project that is quite small. I would love some advice on
> which coin or flat  batteries are good , small and have a decent output ..I
> would love to be able to drive leds, a 3.3v uprocessor, maybe a small
> speaker but of course AA batteries or a 9v are too big for this
>
> another possibility is a storage battery with a solar cell that
> continually charges the battery—I have never tried this and once again any
> advice would be great.
>
> obviously it’s possible as the Apple Watch has quite a small footprint yet
> is able to drive a screen and a microprocessor. i suppose a tiny dc to dc
> converter could help
> Too
>
> I see other examples all over the place I’ve just never been in a position
> where I needed something very small and instead of going through thousands
> of entries online I figured I would ask the community first
>
>
> THANKS FOR ANY HELP
>
>
>
>
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