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a great heuristic guide on picking up on fake grassroots organizations.
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None of this helps you realllllly get stuff done, but I find it fascinating.
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BrewTroller is an open source standalone brewing control system based on tfhe Sanguino platform. BrewTroller monitors temperature and volume of the Hot Liquor Tank (HLT), Mash Tun and Brew Kettle and controls heat sources, pumps and valves as needed in the brewing process. BrewTroller supports PID control of heating elements making it an inexpensive solution replacing up to four PID controllers.