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In control constants the annotation says The default value, which it currently is, is 0.5c. My interpretation is: Pi is not active if my overshoot or undershoot is greater than 0.5c about the set point. Is this a correct interpretation? If it is, it explains why my temperature fluctuations...

OK, I have it working now, such fun! Ive spent an or or two reading up on everything PID, but sadly I don't yet feel comfortable deciding which param to adjust here. Looking at my graph I note the cooling and heating appear to be applied right up to where the beer temp hits the target...

Thankyou for the replies. Im not sure whats going on. I ran the clear eprom empty code program from the IDE. Then uploaded brewpi again, no change. I also read post suggesting a reset immediately prior to upload, which also didnt work. I tried the combination of the two, no change. About to give...

I think this is the right place to post a brewpi remix question 🤔 Ive installed brewpi-arduino-uno-revC-0_2_10 onto an Uno and the web software on Ubuntu 20.04. Everything seems fine, no errors in the logs. I realise using non-raspberry hardware is potentially troublesome. Its just I appear to...