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

Sarah Nordstrom sarahemm at sarahemm.net
Wed Jan 19 13:03:29 PST 2011


There's a relatively nice hot air reflow station, yep.
 -sen

On Wed, January 19, 2011 15:02, Taylor Alexander wrote:
> Yeah. Well if you come up with that, let me know. ;)
>
>
> I can see 9 parts being a pain if you're wiring it by hand, but on a
> PCB, its nothing. So if I stop being lazy, maybe I'll lay something
> out. Or maybe something better will come up!
>
> Does noisebridge have a hot air gun for soldering? That would go a
> long way towards people being less afraid of this kind of stuff.
>
> -Taylor
>
>
>
> On Wed, Jan 19, 2011 at 11:46 AM, Dr. Jesus <j at hug.gs> wrote:
>
>> 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 :)
>>
> _______________________________________________
> Noisebridge-discuss mailing list
> Noisebridge-discuss at lists.noisebridge.net
> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>
>
> !DSPAM:4d37516a36211495045344!
>
>
>




More information about the Noisebridge-discuss mailing list