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  1. C

    Temp control limits

    I scored a chest freezer off of craigslist to turn into my fermentation chamber. I like tinkering with electronics, so I built my own controller using an Arduino http://www.arduino.cc/. I wrote the code to turn the freezer on or off if the temp gets higher or lower than 1 degree F of the...
  2. C

    PWM control of heating elements

    Is true pulse width modulation control of AC current feasible without worrying about the phase of the AC current? I would like to use an arduino to control SSRs to regulate heat in my HLT with heat element. Let's just say I want the element to be producing 50% heat. I know that I can...
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