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Author Topic: Keg scales  (Read 4228 times)

combat32

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Keg scales
« on: January 15, 2017, 03:46:49 PM »
So I mentioned to my Brotherinlaw about never knowing when the keg is almost empty. So he took it on and is working on scales to monitor my kegs.
This is the prototype, each keg will have its own scale and it is monitored every 15 sec  it talks Wireless to the controller outside the fridge and I will be able to check it on my phone or webpage.
He said it's pretty close with in 1lb so he figured that's 1-2 beers left in the keg.
He is still tweaking the code. I will show it working once it's finished
Keg 1- Coconut Pale ale
Keg 2- Simcoe/Amarillo Pale ale
Keg 3- Sour Cherry Gose
Keg 4- NB Fresh Squished IPA
Keg 5- NB Deadringer IPA
Keg 6- NB Oktoberfest
Keg 7-
FV1-  Chocolate Milk Stout
FV2-  HB Blonde ale v2
Planning-

Ohio Grassman

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Re: Keg scales
« Reply #1 on: January 15, 2017, 04:55:42 PM »
That's awesome, what a great idea!
Anyone who says that beer is a depressant isn't drinking enough of it.

DamoNinja

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Re: Keg scales
« Reply #2 on: January 15, 2017, 05:10:26 PM »
Cool stuff!

Here's an idea though, you'd be able to run multiple sets of scales right? You could keep the control unit separate and have an interface for each sensor array, that way one controller could manage multiple sets of scales?
Fermenting:
17 BIPA

Bottle aging:
Oaked sour ale '16
Coffee stout '15
Oaked apple cider '15
Barleywine '14

Keg 1: Golden ale
Keg 2: Not-17 BIPA
Keg 3: Not-17 BIPA
Keg 4: Mongrel //
Keg 5: EMPTY :(

Mini keg 1: Golden ale
Mini keg 2: Empty!
Mini keg 3: Damo's BIPA

Pipeline: ??

combat32

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Re: Keg scales
« Reply #3 on: January 15, 2017, 08:20:48 PM »
Cool stuff!

Here's an idea though, you'd be able to run multiple sets of scales right? You could keep the control unit separate and have an interface for each sensor array, that way one controller could manage multiple sets of scales?

you got it, each keg has its own scale setup with its own IRQ and then they all talk to the controller outside.
hope it works like he is planning  :) that would make my brewing plans easier to plan out. just kicked two kegs this weekend looks like a double brew day next weekend.
Keg 1- Coconut Pale ale
Keg 2- Simcoe/Amarillo Pale ale
Keg 3- Sour Cherry Gose
Keg 4- NB Fresh Squished IPA
Keg 5- NB Deadringer IPA
Keg 6- NB Oktoberfest
Keg 7-
FV1-  Chocolate Milk Stout
FV2-  HB Blonde ale v2
Planning-

vic

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Re: Keg scales
« Reply #4 on: January 15, 2017, 08:39:30 PM »
What a cool idea. Good stuff mate. 17.
beer makes you feel the way you ought to feel without beer.....Henry Lawson.

DamoNinja

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Re: Keg scales
« Reply #5 on: January 15, 2017, 11:06:49 PM »
Cool stuff!

Here's an idea though, you'd be able to run multiple sets of scales right? You could keep the control unit separate and have an interface for each sensor array, that way one controller could manage multiple sets of scales?

you got it, each keg has its own scale setup with its own IRQ and then they all talk to the controller outside.
hope it works like he is planning  :) that would make my brewing plans easier to plan out. just kicked two kegs this weekend looks like a double brew day next weekend.

Ah I just saw the arduino mounted to it, is your plan to fit one per scale and report back to something like a raspberry pi? Or is the arduino going to be the central component but is mounted here for now?

Whatever the deal - would love to see a build guide when complete!
Fermenting:
17 BIPA

Bottle aging:
Oaked sour ale '16
Coffee stout '15
Oaked apple cider '15
Barleywine '14

Keg 1: Golden ale
Keg 2: Not-17 BIPA
Keg 3: Not-17 BIPA
Keg 4: Mongrel //
Keg 5: EMPTY :(

Mini keg 1: Golden ale
Mini keg 2: Empty!
Mini keg 3: Damo's BIPA

Pipeline: ??

77Trev

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Re: Keg scales
« Reply #6 on: January 16, 2017, 07:55:58 AM »
thats pretty awesome!
Keg 1: Pale Ale
Keg 2: Stout
Keg 3:
Bottled:  Christmas Ale
FV 1: Citra Amber Ale
Next: SMASH - 2Row/El Dorado

combat32

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Re: Keg scales
« Reply #7 on: January 16, 2017, 08:12:23 AM »
you nailed it again Damo! the arduinos report back to the main controller running Raspberry pi.
Im sure once its complete my brotherinlaw will share the programming.
17
Keg 1- Coconut Pale ale
Keg 2- Simcoe/Amarillo Pale ale
Keg 3- Sour Cherry Gose
Keg 4- NB Fresh Squished IPA
Keg 5- NB Deadringer IPA
Keg 6- NB Oktoberfest
Keg 7-
FV1-  Chocolate Milk Stout
FV2-  HB Blonde ale v2
Planning-

Black Dog Brewery

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Re: Keg scales
« Reply #8 on: January 18, 2017, 07:42:45 PM »
Words cannot describe what your Brother-in-law has created for you.

The Raspberry Pi is the foundation for nearly all of the projects in the teenage and college robotics clubs because these mini-computers are so universal to program inputs and their corresponding output functions.

He's a good choice for your sister!
Cheers & 17,

Jim,
Long Island, New York
My Youtube Channel

FERMS:
- Sour Beer For Beginners
- Barley Wine
- Bourbon Barrel Vanilla Bean Porter

SERVING:
- Pumpkin Ale
- Dead Ringer IPA
- Black IPA

combat32

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Re: Keg scales
« Reply #9 on: March 13, 2017, 10:31:22 AM »
we just tested it out yesterday and it seems to be working very good.
poured a glass of beer should the weight dropped 8oz  :)
heres some pics




This is his calculations table for battery life.
« Last Edit: March 13, 2017, 10:34:24 AM by combat32 »
Keg 1- Coconut Pale ale
Keg 2- Simcoe/Amarillo Pale ale
Keg 3- Sour Cherry Gose
Keg 4- NB Fresh Squished IPA
Keg 5- NB Deadringer IPA
Keg 6- NB Oktoberfest
Keg 7-
FV1-  Chocolate Milk Stout
FV2-  HB Blonde ale v2
Planning-

combat32

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Re: Keg scales
« Reply #10 on: March 13, 2017, 10:39:29 AM »
he is going to start the Raspberry Pi controller next, now that we know its working.
getting excited now, that i will be able to know how much beer is left in each keg  :)
he said it can do 5 scales. but i can only use 4 in my kegerator, the small kegerator doesnt have enough room for the scale to be under it.
hes hoping to get almost a year out of the batteries on the scales.
i told him i can drill a hole in the back and get some power inside if needed.
cheers
Keg 1- Coconut Pale ale
Keg 2- Simcoe/Amarillo Pale ale
Keg 3- Sour Cherry Gose
Keg 4- NB Fresh Squished IPA
Keg 5- NB Deadringer IPA
Keg 6- NB Oktoberfest
Keg 7-
FV1-  Chocolate Milk Stout
FV2-  HB Blonde ale v2
Planning-

Superduck

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Re: Keg scales
« Reply #11 on: March 13, 2017, 04:25:51 PM »
This is !@!@ awsome Combat, are bloody jealous.
I have a friend who is an electrical engineer and this is a favour I will definately call in and have him do. Way down the road that is.

Are you going to have it txt you some Kind of alarm message when your down to your couple last pints? thats what Id do.
Cant wait to see it all completed
Carboy 1 - Coopers Draught with 1yr old reused wye yeast
Carboy 2 - Coopers Lager with citra hop tea addition
Carboy 3 - Empty :-/
Carboy 4 - Empty :-/

Keg 1 - Coopers Draught
Keg 2 - Coopers Lager
Keg 3 - Sduck PoorMan Wine Cooler
Keg 4 - Mocha-Latte Stout 2.0

combat32

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Re: Keg scales
« Reply #12 on: March 13, 2017, 05:54:44 PM »
its going to have a webserver so i can check it from my phone or computer.
my brotherinlaw also said he can email me if there is a temp rise and when i start getting low.
like a reminder you need to brew!
he also is willing to share everything with you guys that are interested in trying it too.
17
Keg 1- Coconut Pale ale
Keg 2- Simcoe/Amarillo Pale ale
Keg 3- Sour Cherry Gose
Keg 4- NB Fresh Squished IPA
Keg 5- NB Deadringer IPA
Keg 6- NB Oktoberfest
Keg 7-
FV1-  Chocolate Milk Stout
FV2-  HB Blonde ale v2
Planning-

jstahnke10

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Re: Keg scales
« Reply #13 on: March 14, 2017, 04:25:40 PM »
Lots of potential here. Great idea
Keg 1 - Chocolate Milk Stout (Nitro)
Keg 2 - Honey Kolsch
Keg 3 - Open

combat32

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Re: Keg scales
« Reply #14 on: November 10, 2017, 08:19:25 PM »
well its been awhile but my brotherinlaw is a busy guy, like the rest of us.
but tomorrow we are going to install it into the kegerator and do some live testing 8) good thing i just filled some kegs :)
17
Keg 1- Coconut Pale ale
Keg 2- Simcoe/Amarillo Pale ale
Keg 3- Sour Cherry Gose
Keg 4- NB Fresh Squished IPA
Keg 5- NB Deadringer IPA
Keg 6- NB Oktoberfest
Keg 7-
FV1-  Chocolate Milk Stout
FV2-  HB Blonde ale v2
Planning-

 

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