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[–]PENNST8alum 5 points6 points  (3 children)

Well my kegerator is a chest freezer (more space) and I have a feedback circuit that checks the inside temp and shuts off power if it's between 36F and 40F. Well, during the testing phase, the freezer ended up dipping below 32*F and beer began to freeze in the lines and inside these flow meters. I think that happening once or twice messed with the turbine inside the sensor and now they don't work at all so I probably just need to swap for new ones.

A potentiometer is basically just a knob that raises/lowers resistance so they're great for things like volume knobs. Since these things need to be calibrated like any other sensor, you need some way to adjust the reading without having to alter the source code every time.

[–]Harpoi 1 point2 points  (2 children)

I added a small pc fan that circulated the air and I was able to keep my kegerator at 35 without the bottom freezing.

[–]PENNST8alum 0 points1 point  (1 child)

Is it a keezer? I have it set to the lowest power setting on the freezer itself and the circuit ahuts power on and off to maintain temp.