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Starting My Aquarium Controller (Need Help)


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#1 zemuss

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Posted 11 February 2013 - 03:22 AM

Can someone help me get this off the ground? 

 

What should I do first? I am lost as what steps to follow.

 

Basically I would like to have it interface with my computer and use a windows application to display the Temp / PH and control the lights at a later point.



#2 hanzibal

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Posted 11 February 2013 - 07:27 AM

I don't know much about aquariums but it sounds like you should use a Netduino with tcp/ip onboard, like the N2+ (or N+). The Netduino could then use its ADC to read temperature from a submerged temp sensor. You would then typically build a Web Service to run on the PC and have the Netduino post readings periodically.

 

Depending on how many readings you want to be able to store, you might need an SQL database on the PC.

 

If you got the PC close to the aquarium, you could use a USB to serial converter to transfer data from the Netduino.

 

As for the rest, I think you need to explain what you aim to do in more detal:

 

What other sensors are there to read - water level, etc?

What things can you control - air pump, heater, fresh water inlet, etc?

 

Also, there are a few other threads here on the forum where aquariums are discussed, like this one:

http://forums.netdui...ium-controller/



#3 zemuss

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Posted 11 February 2013 - 03:46 PM

So now I need to figure out which temp sensor to use.

 

The aquarium it will be on is Salt Water and I need a sensor that will not corrode. Any suggestions?



#4 hanzibal

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Posted 11 February 2013 - 07:36 PM

These are very common and said to be water proof and made of stainless steel:
http://www.ebay.com/...=item2c68df2bca

It uses this chip which has a "1-wire" interface:
http://datasheets.ma.../ds/DS18B20.pdf




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