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Home Brew Forums > Home Brewing Beer > DIY Projects > Brew Stands > Arduino temp probe K type or RTD ???
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Old 04-02-2010, 09:01 PM   #1
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Default Arduino temp probe K type or RTD ???

Can some people with experience please way in on whether or not it is better to use K type or RTD temp probes with your arduino? And how you wired yours up and how it works would be appreciated too. Thanks. I'm planning on buying one of the above types from Auber, but can't decide which is better.


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Old 04-02-2010, 10:43 PM   #2
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While the Arduino like the BrewTroller is a worthy platform, it will not directly interface with either type K or RTD probes. Here is where you should look for a probe for your application under temperature probes for brewtroller, http://www.brewershardware.com/Temperature-Sensors/


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Old 04-02-2010, 11:32 PM   #3
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I have some prototype copper coming in for a three channel TC K and and a three channel RTD module. This will allow the Arduino/Brewtroller platforms more options for temp probes. I'll make a post when I get them in and tested.
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Old 04-02-2010, 11:38 PM   #4
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Quote:
Originally Posted by CodeRage View Post
I have some prototype copper coming in for a three channel TC K and and a three channel RTD module. This will allow the Arduino/Brewtroller platforms more options for temp probes. I'll make a post when I get them in and tested.
Please do. I'd love to be able to use my existing RTDs if I decide to move to the BrewTroller.
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Old 04-02-2010, 11:40 PM   #5
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Yeah, I was in the same boat and thats why I designed the RTD modules. figured some folks with TCs would like to play too so I made one for that.
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Old 04-02-2010, 11:46 PM   #6
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Yeah, I was in the same boat and thats why I designed the RTD modules. figured some folks with TCs would like to play too so I made one for that.
Awesome! I've been amassing a ton of samples from several IC vendors looking for the right combination of signal conditioners, reference voltage controllers, and ADCs to build such a beast. If you come up with something simple and cheap I'd be excited to see/use it.
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Old 04-03-2010, 01:16 AM   #7
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Anybody thought about building boards for the 1 wire analog I/O chips to interface with the Arduino board, possibly one with analog output capability.
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Old 04-03-2010, 01:09 PM   #8
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Anybody thought about building boards for the 1 wire analog I/O chips to interface with the Arduino board, possibly one with analog output capability.
That's what these are, No analog output though. You looking for something 0-5v/4-20ma?
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Old 04-03-2010, 03:28 PM   #9
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I have nearly completed what I can do for the automated system remotely, and am looking for another project to take up the spare time while in Arizona. Looking ahead for simpler automation platform that could output 0-10volts for proportional control, and interface with other types of analog sensors. Seems to be a gap between the Arduino capabilities and the needs for an advanced control platform with analog control capabilities without going to PLC hardware.
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Old 04-05-2010, 03:32 PM   #10
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For a 3rd option, I've been messing w/ the one-wire temp sensors as of late:
One Wire Digital Temperature Sensor - DS18B20
All you have to do is download a couple libraries, wire it up (extremely simple wiring), and you're good to go.
More info on the arduino site: http://www.arduino.cc/playground/Learning/OneWire


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