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Introduction to StrangeBrew Elsinore Server

Over the last two years, DougEdey has developed an open source brewery controller known as StrangeBrew Elsinore Server. This software runs on Raspberry Pi or Beaglebone Black, and in the most basic sense is a replacement for traditional PID controllers and physical switches, but is capable of much more. Once setup, StrangeBrew Elsinore is accessible through a web interface on your phone, tablet, networked computer, or directly through the hardware it is being run on (in the case using a display with your Raspberry Pi or Beaglebone Black). StrangeBrew Elsinore is able to control relays through general purpose inputs/outputs (GPIOs), which in turn can control high wattage electric heating elements, brewery pumps, and other brewery peripherals. This control can be manual, PID, or hysteresis-based, and can also be defined within a more general automated procedure in StrangeBrew Elsinore. StrangeBrew Elsinore Server uses 1wire DS18B20 temperature probes, which are advantageous in their low price and their extensibility – high amounts of them can be daisy chained on a single GPIO.  Additionally StrangeBrew Elsinore allows for data recording and visualization through its web interface.


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  1. […] The Hefeweizen recipe called for an acid rest at 110F for 10-20 minutes, followed by a saccharification rest at 151F until conversion was completed. It took 35 minutes for my mash to reach the targeted 151F from previous 110F step. This is a bit more than a degree a minute rise, which isn’t bad. Conversion temperatures would have been first reached at 15 minutes in (around 140F-ish). This is all with my C-HERMS brewery, controlled by (and data logged by) Strangebrew Elsinore. […]

  2. […] The main changes to my panel in its third revision were that I had now removed my untrustworthy, cheap, 8 channel relay module and have replaced it with high quality solid state relays. While I was at it, I decided to also replace my element SSRs with higher quality ones. In total I have six 25a SSRs, which are used for lower amperage circuits, and the two 40a SSRs for my elements. Those six SSRs control keg fridge heating and cooling, fermentation chamber heating and cooling, and two pumps simultaneously by a Beaglebone Black running Strangebrew Elsinore. […]

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