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  1. K

    Fermentation Chamber built with window A/C unit

    I'm actually doing a super simple controller for my first version. I am using an MSP430G2231 with a built in temp sensor, a basic relay driver chip, and a 12v relay to bypass my AC unit's mechanical relay. All told it'll cost <$10, programmer included (soldering iron and EE degree separate)...
  2. K

    Fermentation Chamber built with window A/C unit

    I am actually in the process of building my own AC unit cooled kegerator/keezer/fermentation chamber. I have found that if you can over-ride the temperature control on the AC unit (electrically with modern ones or bypassing the old mechanical temperature regulator), then you can get them to...
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