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Home Brew Forums > Home Brewing Beer > Electric Brewing > The braumiser, my braumeister inspired rig
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Old 11-22-2012, 02:52 PM   #41
came2meca
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Hi Matheo.

I like your work so much and honestly i would like to make something similar.
I have a nano arduino. Can i use this board for this project and how can i make the shield to fit my board.
Also i am planing to use a 220v pump. how will that change the design of the shield.

Thank you and keep up the good work.

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Old 11-26-2012, 02:09 AM   #42
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Quote:
Originally Posted by came2meca View Post
Hi Matheo.

I like your work so much and honestly i would like to make something similar.
I have a nano arduino. Can i use this board for this project and how can i make the shield to fit my board.
Also i am planing to use a 220v pump. how will that change the design of the shield.

Thank you and keep up the good work.
the nano has the same pin out so you would have to get a board that would take the nano form and put it into a uno form, also it would have to be a nano that has a ATmega328 as the ATmega168 just doesn't have enough room (code complies to 14.5k). The eagle PCB files can be changed so you could make up a board to accept the nano. The pump control relay has its contacts taken out to a screw connector so it can switch 12v or 240v so you don't have to change the design there.

cheers steve
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Old 11-26-2012, 05:20 PM   #43
came2meca
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Thank you for your replay. My nano is the ATmega328, so no problems there.
I was struggling all night to adapt the PCB design to fit the nano, but i'm having problems with the way the pins connect to the lcd. I am hoping to make the board myself and connect the lcd to pcb through a cable and maybe this will make the design more "loose".
I'm going to stick for now to a 12v "solar project" pump.

I'll give it another go now and maybe i'll manage to adapt the board by tomorrow morning.

Thank s again, A.C.

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Old 11-26-2012, 05:21 PM   #44
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duble post.

Sorry

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Old 11-28-2012, 06:46 PM   #45
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I used a ribbon cable with DIP header on one end to connect my LCD to my controller board. I built the system around a protoboard and used a logic FET
to control a 12V solar pump.



http://www.homebrewtalk.com/photo/co...ons-57433.html

http://www.homebrewtalk.com/photo/vi...nel-57435.html

I tried it last night for the first time on 240V. It seems to work OK. I'm overshooting my temps 1-2 degree F.

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Old 11-30-2012, 04:43 PM   #46
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Matho, thanks for all the detailed build PDFs, I'm in the early stages of the controller build now. I have ordered what I hope are equivalent parts from mouser.com and can provide the part numbers once I have a working board and confirm they are all correct.

Mdwilson, is there any chance you could fork matho's github repo and post your changes for comparison? Or even post the code here if possible?

I will be breadboarding this first to test out all the components before trying to order a pcb.

Thanks!

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Old 12-01-2012, 12:52 PM   #47
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just a few things that has come up over the last couple of weeks, people that have been trying to switch 240v AC pumps have been reporting that the LCD becomes scrambled. It looks like its emi caused but switching the 240v, which seems to be able to be managed with a RC snubber circuit across the contacts of the relay. The second issue is a glich in the code, if the last stage finishes on a pump rest, then the only thing that will be displayed in the boil stage is 'pump rest' I have fixed the code and pushed it to github

https://github.com/mathoaus/braumiser-controller

mdwilson it would be cool if you posted the code as mysid has mentioned


cheers steve

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Old 12-04-2012, 02:28 AM   #48
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I have forked the code on github (at least I think I did). Here is the link:
https://github.com/mdwilson/braumiser-controller
I swapped the output pins for the buzzer and pump, so you will want to swap them back if you are using the actual Brauduino hardware.

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Old 12-04-2012, 04:10 PM   #49
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Quote:
Originally Posted by mdwilson
I have forked the code on github (at least I think I did). Here is the link:
https://github.com/mdwilson/braumiser-controller
I swapped the output pins for the buzzer and pump, so you will want to swap them back if you are using the actual Brauduino hardware.
Great, thanks!
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Old 12-04-2012, 11:48 PM   #50
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I just received my new Braumeister. There was no power cord to received the electric power to run the unit. I had an electrician put in 240 outlet, no cord to plug in the unit. Should the come with a power cord? MoreBeer said should my electrician change I out. Can you help me with this issue?

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