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I just started lagering my oktoberfest brewed with this yeast. I didn't have the capabilities to make as large of a starter as you, but my vial was almost brand new, so vitality was pretty high. I pitched a 2L starter at about 54F and I had signs within 24 hours. The fermentation almost blew...

Although the chamber could theoretically get down to 66 degrees, it almost certainly won't be able to keep up with the thermal mass of the carboy, especially as the yeast put off heat. If you are sure you want to try this though, I would suggest putting an ice pack or two in there if the fridge...

Okay so first off, sorry for the double post. It seems like my posts must get approved before they appear in this thread, but I need to call it quits for tonight and wanted to give an update. I somehow successfully uploaded the sketch once to the arduino by holding the connections together...

Finally got my arduino, and I have been having nothing but problems. I suspect that my pro mini came without a bootloader (http://www.amazon.com/gp/product/B00GLES8BW/?tag=skimlinks_replacement-20) Looking around, it looks like if this is the case, I can't install a bootloader without a...

Okay so sorry for so many questions in the last couple days, but I just found out that the CP2102 module I ordered has the pin layout that doesn't exactly match the arduino. I can solder them together without much issue, but it looks like both my CP2102 and my aduino clone have RST connections...

Yeah your method of a time based fermentation profile is surely the best way to automate this, I've just been looking for a cheap DIY project to do that hasn't been done already. I don't think putting something in the carboy will turn out a net beneficial result. Meh, I'll post if I do anything...

Yeah I like the idea of a strain gauge, but it looks like a more expensive route. Working with a voltage divider would make it really easy, assuming the stc can handle it. Alpha, do you know what voltage is applied across the probe terminals? I looked into possibly a weight that was just buoyant...

After recently acquiring a mini fridge that I converted into an STC-controlled fermentation chamber, I immediately picked up the Northern Brewer Oktoberfest kit to test out the fridge. I chose White Labs 820 (Oktoberfest Lager) yeast, as I had always wanted to try someone other than WYeast and...

Wow, didn't realize that the Brew Nanny existed! The biggest difference here would be the cost. At $500, the Brew Nanny would be too expensive to be worth it in my opinion. Additionally, Brew Nanny uses a CO2 sensor, which I feel may be a bit more precise based on reading about the MQ3 sensor...

In reality, I think a video monitor like you describe would be the most reliable way to check on this stuff. I've just been looking to build something that hasn't really been done yet that's within my capabilities.

I recently got a mini fridge set up with an STC-1000 (Lerway from Amazon), and it just so happened to be the AG_400P v1.1 model! I immediately ordered the Arduino mini and usb so I can flash mine, but that got me thinking on what to do with this Arduino after this project. None of the current...

What would the correlation between alcohol content of the air in the vessel/fermenter be with respect to the alcohol content in solution? I'd love to try to make something like this, but isn't the alcohol concentration in air always the maximum alcohol vapor partial pressure at atmospheric...

EDIT: Duplicate post