Computer interface to measure voltage

 Just found this group. Looks like a great resource.

I am currently evaluating if it is feasible to install Solar Panels at
our residence. As a little starter project I thought I could use four
small panels I have left from a project to find out what the best
orientation/location on our property might be and how much sunlight we
are actually getting.

To that end I wondered if anybody knows where I can buy a USB interface
which could monitor the voltages. I am an ok programmer and would be
able to write some code to keep track of the power output over the
course of a longer time period.

Thanks

Peter

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www.peterkienle.com

 
Lots to choose from... http://www.microdaq.com/  

 I have used the LabJack U12 with good success. Free downloads for
interfacing with various programming languages are available. I
personally like Java, but others will work as well. They have a less
expensive model but I think it only allows positive voltages even for
differential measurements. The basic unit includes several analog
inputs, two analog outputs, and a bunch of digital I/O ports, and comes
with some software such as a logger. Check http://www.labjack.com/  for
more information.

Bob Butcher

Something wrote:

 

Thanks Bob

I think that's what'll do the trick.

Peter

--
www.peterkienle.com

 Something wrote:

It is totally feasible.


All that data collection was done years ago.


So many to choose from it could choke a horse.

This post pretty well sums up the situation in these groups.

Somebody wants somebody else to tell them what to do, how to do it or do
it for them.

In other words, somebody to hold their hand so they don't scare
themselves.

The required information to use a renewable energy source is;

1) The expected load.

2) The amount of energy available.

3) Correct sizing.















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