[TriEmbed] Solar Power Project

[Burr Sutter]

On Mon, May 11, 2015 at 1:25 PM, Chip McClelland via TriEmbed <
triembed at triembed.org> wrote:

> To all,
>
> I won’t be able to make the meeting tonight (darn day job!).  But, I
> wanted to share the board, designs and software for that solar power
> management board I talked about at the last meeting. Details and link here
> <https://twitter.com/chipmc86/status/597811201230376961>.  Here is the
> punch-line: On a 2000mAH LiPo battery, I can keep my cellular data logger
> fully charged and reporting hourly with only 3 hours of sunlight a week.
> Not bad.
>
That sounds awesome
how often do we have whole weeks with zero sunlight? :-)


>
> Based on the overwhelming feedback from the last meeting, I have also
> purchased a big 8AH 12V Sealed Lead Acid battery and started a run down
> test.  If you are at all interested, I you can watch the current status
> here
> <http://app.ubidots.com/ubi/getchart/page/fwweXqpV5QlRbiZ8nzEvou4nNi8>.
> So far so good with almost 24 hours dropping the battery from 13.12 to
> 13.07.  From what I have read
> <http://www.solarnavigator.net/battery_charging.htm>  I need to stop the
> test once the battery gets to 11.9 - this could take a while.
>

I have heard those are relatively inexpensive. The boaters and RV
enthusiasts apparently have them.  I am looking for a solution to power a
"pond pump" to keep a tiny water fall/filter system working.  Where did you
pick up the battery from?


>  Based on this test, I may need to invest in a 12V solar panel and charger
> as well.
>

Do you feel you need both solutions for your data logger?


>
> Thanks again for all your help and advice.  Sorry I will miss the meeting
> tonight - I always end up learning something.
>
> Chip
>
>
>
> _______________________________________________
> Triangle, NC Embedded Computing mailing list
> TriEmbed at triembed.org
> http://mail.triembed.org/mailman/listinfo/triembed_triembed.org
> TriEmbed web site: http://TriEmbed.org
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.triembed.org/pipermail/triembed_triembed.org/attachments/20150511/a5154051/attachment.htm>