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KISS... Having built/worked on some of the most complex systems as
possible ( medical computers, analog chips for disc drives, nuclear
power plants..) and some of the simplest, I'll take simple for
reliability/cost every time.
The single voltage measurement gives very good information of state
of battery charge without adding too much equipment/cost.
I believe this is exactly what Einstein was trying to say. That
said, I do use fully intelligent charge controllers when the cost
justifies it.
But we have three remote AP's that just have a single 433AH with a
single 60Watt panel and a couple of deep cycle batteries that have
done well for five years on their own in the mountains without any
other information needed besides simple voltage. With the small
number of customers on them 2-6 throwing a $1000 of cost doesn't
result in any more performance. The true art is knowing what is too
cheap... And when to change the batteries... LOL
On 05/06/2012 09:38 AM, Bill Prince wrote:
> Simple answer is that there is cheap, and there is too cheap.
>
> A paraphrase of a quote attributed to Albert Einstein was
> "Everything should be made as simple as possible, but not
> simpler."
>
> (actual quote is more complicated: /"It can scarcely be denied that
> the supreme goal of all theory is to make the irreducible basic
> elements as simple and as few as possible without having to
> surrender the adequate representation of a single datum of
> experience."/
>
> bp
>
>
> On 5/6/2012 8:21 AM, Robert Andrews wrote: But if you are a cheap
> sob like me, part of the reason for the 750uP is the voltage sense,
> and no other devices sucking power...
>
> On 05/06/2012 08:12 AM, Ty Featherling wrote:
>>>> Why do you mean by that? You can't tell what current your
>>>> batteries are outputting? There are ways to do that before
>>>> and after the conversion.
>>>>
>>>> -Ty On May 6, 2012 9:59 AM, "Robert
>>>> Andrews"<[email protected]> wrote:
>>>>
>>>> Ubiquiti is going to come out with a poe switch but who knows
>>>> when or specs.. The problem with converters is you can't
>>>> tell how your batteries are doing anymore...
>>>>
>>>> On 05/06/2012 06:55 AM, Jeromie Reeves wrote:
>>>>>>> I would love to add these to a few of my sites. I run
>>>>>>> 12v at any site that does not have AC due to first gen
>>>>>>> gear when the sites were built. At 12v a rocket's
>>>>>>> 8watts is .67 amp so it exceeds the .5amp rating. This
>>>>>>> is very disappointing. Are there any decent DC/DC
>>>>>>> converters for 12->24 that can supply 6amps? Are there
>>>>>>> plans for a .75 or 1a RB750?
>>>>>>> _______________________________________________
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>>>>>>>
>>>>>>> Visit http://blog.butchevans.com/ for tutorials related
>>>>>>> to Mikrotik
>>>> RouterOS
>>>>> _______________________________________________ Mikrotik
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