[Noisebridge-discuss] A simpler circuit for ... [driving multiple LEDs with minimal batteries]

Dr. Jesus j at hug.gs
Wed Jan 19 19:46:54 UTC 2011

On Wed, Jan 19, 2011 at 11:34 AM, Taylor Alexander
<tlalexander at gmail.com> wrote:
> Hey, I did a quick search and found a nice 1.1v->14v step up chip from
> National Semiconductor.
> http://www.national.com/pf/LM/LM2623.html#Overview
> Its in a 5 pin SOT-23 package, so it *could* be wired without a PCB if
> you're careful (though I don't know if performance would suffer), so
> maybe the non-techies could follow a schematic for that and wire their
> own? Or maybe someone could make a PCB for it that the non-technical
> people could use?

It is a nice little part.  I think it's possible to improve on the 9
part BOM, though.  That's more parts than the entire rest of the
design for some of the projects I've seen :)

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