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Old 11-08-2007, 08:16 PM   #11
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Starting at only $440! looking at your url...I bet when I am done, I could get Nagios to monitor this......

Thought about the web cam, but it fogs....

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Old 11-08-2007, 08:38 PM   #12
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Here's what I would do. It's REALLY geeky and would require a fairly trivial amount of programming (assuming you have some knowledge of writing code):

I already use a $35 Arduino microcontroller board with an LM34 temperature sensor to feed temperature data to my computer. A Java application that I wrote does the serial communication and data display. With slight modification, the Java app could dump sensor output to an HTML file in the server's /www directory about once per minute.

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Old 11-08-2007, 08:58 PM   #13
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When I am done building this thing we are going to have to talk. My coding is not that good, but with a little help.....

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Old 11-09-2007, 03:37 AM   #14
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Quote:
Originally Posted by Yuri_Rage
A Java application that I wrote does the serial communication and data display.
Where did you find this little guy? I've been out of it for about a year but I really need access to the serial ports via Java. Last I check it was very sketchy espescially with permissions/policy
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Old 11-18-2007, 05:55 PM   #15
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Finally got it done!

I will post what I did when I finish writing it up. It was my first time etching a board, in the future I hope to do a better job.

I would like to find a quick disconnect idea for the sensor it self, that way I could use the same box on different sensors. Like http://www.homebrewtalk.com/showthread.php?t=26400 when I am brewin and others for the Kegerator and Lagering.

Here is a link to a more detailed description http://www.swampwaterbrewery.com/sea...0Temp%20Sensor

Got it on the net using the instructions found here http://www.instructables.com/id/Temp...eatherstation/


Thanks,

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Old 12-06-2007, 02:29 AM   #16
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I have it on line http://www.swampwaterbrewery.com/sea...0Temp%20Sensor Yuri, Did you say you have or know of a java app I could use on my desk top?

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Old 12-06-2007, 03:04 AM   #17
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Quote:
Originally Posted by Virtuous
Where did you find this little guy? I've been out of it for about a year but I really need access to the serial ports via Java. Last I check it was very sketchy especially with permissions/policy
Sorry I missed this one!

I developed it on a Windows machine using Rxtx (www.rxtx.org). I found later that the javax.serial library works quite nicely on *nix machines.
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Old 12-06-2007, 03:14 AM   #18
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Quote:
Originally Posted by dinks
Could always setup a webcam and point it at a thermometer.
way too simple
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Old 01-30-2008, 04:02 PM   #19
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My monitoring output is here:

http://adnagaporp.caedmon.net:8000/kegerator/

It's a combination of C++ code on the Arduino, PHP to fetch the data over serial, and RRDTool to graph said data.

S

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Old 01-31-2008, 12:06 AM   #20
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Default Very Nice

I would like to set up something to monitor the CO2 tank next, but I dont know what hardware to use....

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