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  1. Abyssal

    MQ-3 alcohol gas sensor for measuring fermentation progress?

    I started looking up how to electronically monitor my fermentation process with a RasPi, and I came across this guy's blog about his Master program thesis where he used an MQ-3 alcohol gas sensor. https://middlewaresensing.wordpress.com/2010/08/04/wine-monitoring/ I'm just trying to figure...
  2. Abyssal

    SSR vs Contactor vs 30A industrial 2 Pole Switch

    I'm sure this has been discussed a bunch somewhere but I am unable to find it so if someone can point me in the right direction that would be great! I'm building my first control panel I'm just trying to wrap my head around the pluses and minuses of using a SSR, a contactor, or a 30A...
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