For Sale Ispindel

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cayde1001

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I have finished a batch of ispindels if anyone is interested, price is $50 (includes US shipping). The ispindels were built using The Jeffrey PCB v2.69 by OpenSourceDistilling and have the 6.5.1 firmware installed. Units include a brand new battery and have been calibrated using the sugar water method. I have verified that they are all connecting and reporting gravity and temperature correctly. PM me if you are interested.

20210512_160943.jpg
 

fuzzybee

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Dos I read that these will not fit in the neck of a glass carboy? How do they do in stainless conicals - can they be read outside them?
 
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cayde1001

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Correct, these will not fit in the neck of a 5-6 gallon glass carboy. I have a Spike CF10 fermenter and am able to use an ispindel in it. I have a mesh router system with one of the routers in the garage where the fermenter is so that may be helping. The only time I have seen issues is when I pressurize the fermenter when carbonating with the carb stone, I no longer receive readings when doing this. I do receive readings when pressuring at 5psi.
 

fuzzybee

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Correct, these will not fit in the neck of a 5-6 gallon glass carboy. I have a Spike CF10 fermenter and am able to use an ispindel in it. I have a mesh router system with one of the routers in the garage where the fermenter is so that may be helping. The only time I have seen issues is when I pressurize the fermenter when carbonating with the carb stone, I no longer receive readings when doing this. I do receive readings when pressuring at 5psi.
Gotcha. I'm adding an access point near my garage, and I have one in the room above the garage (where I'd be fermenting), so I'd need to check my WiFi strength. Thanks!
 

BrewDrinkRepeat

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This is literally the first I've heard about these things, and I'm immediately intrigued... so they are a DIY version of the Tilt? And they allow you to monitor your fermentation temp and gravity over wifi using some sort of receiving app?

How are they affected by krausen?
 
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cayde1001

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This is literally the first I've heard about these things, and I'm immediately intrigued... so they are a DIY version of the Tilt? And they allow you to monitor your fermentation temp and gravity over wifi using some sort of receiving app?

How are they affected by krausen?
Based on the graphs of active fermentations I would say krausen has some affect on the readings, you will occasionally see a spike in the graph where it will jump a point or two between readings. I would still say you get a very detailed idea of how your fermentation is going and you will be able to tell what your SG is at pretty much any point in the fermentation process, within +/- .002 SG if I had to put a number on it. Most importantly you will be able to see exactly when the fermentation has completed or if you have a stalled fermentation. I will post some screenshots of the graphs from my last two brews to give you an idea.
 
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cayde1001

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Example 1. The SG line is the red line, the flat line at 1.024 was an issue with my internet (due to my router and not the ispindel). The jump around May 11 is when I cold crashed.


Screenshot_20210522-120702_Brewfather.jpg
 
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cayde1001

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Sample 2. Similar to the first the jump on April 26th is when I started cold crashing. These graphs are from brewfather, which integrates very well with ispindels.

Screenshot_20210522-121258_Brewfather.jpg
 
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