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Old 11-22-2011, 10:40 PM   #1
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Default Arduino instead of BCS or Brewtroller

Anyone have any projects going on using an arduino board to control their brewery? I currently use a BCS-460 but a) want to mess with arduino and b) want more control/need more outputs.

My goal:
-Control 4 solenoid valves (up to a total of 7 later)
-Control 3 heating elements
-Control 1 pump (maybe 2 pumps)
-Maybe some other gadgets as I find them
-ipad interface
-wifi / networked interface

I think my dream would be to repurpose my old ipad as the sole controller for the brewery and have it docked and controlling everything.

Anyone try any aspect of this? Thanks

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Old 11-22-2011, 10:53 PM   #2
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I've got a few arduinios running various aspects of my pipeline. One acts as a dual stage controller for my fermentation chamber, and another acts as a PID for my RIMS set up. I've seen ads for serial-to-iDevice interfaces, but I've never actually used one myself. The alternative, of course, would be to use the arduino to serve a webpage and then to control the page from the iPad's browser.

Keep us posted!

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Old 11-22-2011, 11:33 PM   #3
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I use arduino for a PID e-HERMS controller. I use my pc with processing to act as my interface. I have used it as fermentation controller as well.

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Old 11-22-2011, 11:59 PM   #4
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I, too, am curious. I'd like to use it for an E-brewery most likely an e-Herms.

Mind sharing your build a bit more, Rockytoptim?

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Old 11-23-2011, 12:20 AM   #5
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Quote:
Originally Posted by Svenhook View Post
I, too, am curious. I'd like to use it for an E-brewery most likely an e-Herms.

Mind sharing your build a bit more, Rockytoptim?
I will see if I can snap some pics in a few after the kids go to bed.
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Old 11-23-2011, 01:05 AM   #6
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Check out the UberFridge post. It should give you enough to get going.

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Old 11-23-2011, 02:08 AM   #7
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Yeah, that uberfridge post looks like a great resource, I'll have to check it out. The biggest thing I was worried about was the web interface stuff.

This will also be nice experimentation for me with arduino because I plan on making a kegbot as well.

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Old 11-23-2011, 02:19 AM   #8
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Quote:
Originally Posted by OEHokie View Post
The biggest thing I was worried about was the web interface stuff.
You could easily cut out the bit with the web interface! There are tons of articles on using LCD displays and simple controls with an Arduino.
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Old 11-23-2011, 02:30 AM   #9
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Quote:
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You could easily cut out the bit with the web interface! There are tons of articles on using LCD displays and simple controls with an Arduino.
Ha, I didn't mean it like that. I meant the setup of it. The uberfridge page linked from that other thread made it seem easy. I definitely want a web interface. I want to be able to check the status from my couch like I can do now with the BCS system.
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Sub Brewery (old, going to start a new thread with the 3rd revision): http://www.homebrewtalk.com/f51/sing...atches-185796/
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Old 11-23-2011, 02:38 AM   #10
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I apologize for the clutter but I have been making some adjustments to my brew stand but took some pics to night as requested.

My HERMS brew stand. I have Blichmann 20 gal MLT. HERMS vessel is a 2 gal igloo cooler with Copper Coil in it. I have temps sensors on the heat exchanger in and out and temp sensor in my MLT. The heat exchanger out is what my arduino PID controls the set point to. I only vary the output to the heating element. I don't control the output to the pump. BK is Keggle.





Here is my simple control box. Its not pretty but it works for me.
I got the box at home depot. I believe its 8 x 8 x 4.

The round plug on the left is for connecting my 3500 watt HERMS heating element.

The switch is to select to manually use the pump or control via the PC interface.

The regular electrical socket is used to power laptop and the air pump that mixes my HERM vessel.

The blue, yellow, orange wires are for the temp sensors.



I used mini XLR connectors to connect temp sensors to the control box





Temp sensors are DS18S20.



Here is the assembled temp sensor and thermowell.




Here is pic of my PC interface. Processing is on the left. The two graphs are plotted via LiveGraph and is updated real time from logged data file that processing writes from the the data it recieves from the arduino.

The top graph is the temp sensor for mash temp, heat exchanger in & out.

The lower graph is showing PWM of the HERMS element and state of the pump on or off.

I run all this on Ubuntu and use a script to start the processing sketch, and the two live graph windows so its just a double click of a icon when I start everything up.

Feel free to ask me any questions.


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