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If I have the raspberry 3 can I just plug the new uno into another usb or do I need to have a usb hub? Update: Never mind this question.

I currently have a Brewpi running and just got a second fermentation chamber. Can I follow the "Multiple fermentation chamber control with Brewpi" wikia and add on to my current setup or do I need to reset the pi and start from scratch?

I bought a 4.7K resistor. Still did not work so I found the sketch a few posts back by geordish and the sensors were running in parasitic mode. Ordered some new ones that will be here tomorrow. Hopefully they will work.

Got the probes from Amazon. They are the ds18b20.i will try radio shack again tomorrow and see if they get any more resistors in stock.

Having trouble with my brewpi setup. I have everything up and running on the web interface side. But, it is not detecting the temperature sensors only the controller sensors. I have changed the sensors, used a different Arduino, and have read everything I could find on google. Attached is my...