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Teqnation beer: how we automated the process of brewing the perfect beer

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A technical session where you’ll learn to brew your own perfect beer using a Raspberry Pi, some simple equipment and open source software: how awesome is that?

Who doesn’t like a nice cold beer, that’s crafted with passion, dedication and craftsmanship? But did you know that a beer tastes even better when you brewed it yourself? However, beer brewing is a very delicate process that takes weeks before the final product is ready. There’s no backlog, no guidance and mistakes are easily made. So how to get the human error out of the beer brewing? Simple, since we are developers and we like to automate things!

In this session you’ll learn about the basic principles of beer brewing, how to brew beer at home and how to automate the entire brewing process with some simple hardware and open source software.

We’ll show you the entire beer brewing process in word, pictures, video and live demo (hardware and software) of the Teqnation beer, an ode to the Belgian Tripel. We start with the necessary ingredients, our brewing equipment and the delicate process of home brewing. Then we’ll tell more about how we automated the entire process using a Raspberry Pi, different sensors and open source software.

We sense temperature during the various stages of the brewing process and use a Raspberry Pi to turn relays on and off to control the heating and cooling elements. A hydrometer is used for real-time monitoring of the fermentation process. All measurements and graphs are shown on a Raspberry Pi touchscreen display.

To automate the brewing process, we’ve used the open source software CraftBeerPi. With CraftBeerPi you can automate the entire beer brewing process from the heating, mashing and kettle configuration to the fermentation process. It’s completely open source and it can be extended with your own Python plugins.

During the session you can have a taste of the Teqnation Beer we brewed for all attendants! You’ll be amazed! Beer and technology: a perfect combination and a perfect ending to a tech conference!

Veröffentlicht in: Software
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Teqnation beer: how we automated the process of brewing the perfect beer

  1. 1. Ramon Wieleman & Mireille Lock Teqnation beer: how we automated the process of brewing the perfect beer (TASTING INCLUDED!) #teqnation 1
  2. 2. Ramon Wieleman About us: Ramon • Founder of Code Nomads: • International software developers in Amsterdam • Java communities • Gadget geek • Bendoo Box • Devoxx4Kids • Certified beer taster and home brewer • Twitter: @r_wieleman • Untapped: rwieleman
  3. 3. Mireille Lock About us: Mireille • Software engineer at OpenValue • Interested in AI and robotics • Likes the Raspberry Pi • Enjoys a cold beer
  4. 4. Outline • The idea • The brewing process (in general) • The setup of: • the hardware • the software • Our brewing adventure (video’s and photos) • Lessons learned & future improvements • How to taste beer? 4
  5. 5. We just like beer… The idea Ramon wanted to start his own brewery with group of friends. Brewed some batches at home How to get the error out of home brewing? Followed StiBON course (level 1) We love hardware and software Let’s brew a Belgian Tripel!
  6. 6. The brewing process: overview 7
  7. 7. The brewing process: milling 13
  8. 8. The brewing process: mashing 18
  9. 9. Automating: the hardware
  10. 10. Raspberry Pi
  11. 11. Temperature sensor DS18B20 DS18B20 RPI pin Red VCC 3.3V 1 Black GND 9 Yellow(DATA) GPIO #4 7 4K7 pull-up resistor between the DATA and VCC pin.
  12. 12. Test Temperature sensor
  13. 13. Solid State Relais
  14. 14. Solid State Relais
  15. 15. Automating: the software • Actors • Sensors • KettleController • Logics to control the Kettle Temperature • FermentationController • Logics to control the Fermentation Temperature • Steps
  16. 16. Automating: the software
  17. 17. Automating: the software
  18. 18. Automating: the software DEMO TIME
  19. 19. Automating: the software
  20. 20. Automating: the software
  21. 21. The brewing process: mashing 34
  22. 22. Really accurate The mash scheme • Water -> 64 degrees • Add grains • 62 degrees -> 45 min • 72 degrees -> 20 min • 78 degrees -> 5 min
  23. 23. Automating: the hardware
  24. 24. The brewing process: loitering 42
  25. 25. The brewing process: brewing 48
  26. 26. The brewing process: cooling 53
  27. 27. The brewing process: fermentation 59
  28. 28. The brewing process: bottling 62
  29. 29. • Brewing is just like developing software: • the tiniest mistake can be fatal • Brewing = cleaning • Don’t start brewing in the evening after work ;) • Beer doesn’t believe in deadlines • You can’t speed things up: it’s nature Lessons learned
  30. 30. • Automating the stirring in the mashing process • Spiral heating: more equal heating • “Smart heating” (like Nest thermostate) instead of ON/OFF • Use tubes when filtering • More sterile environment, because it’s only cleaning • Start earlier when you have a deadline ;) • Connect a PH-meter and hydrometer Future improvements
  31. 31. • Tasting: • Mouth and nose • 5 primary tastes • Mouth feeling • How to taste? • Rational vs emotional • No prejudices • Descriptive analysis • Create the perfect environment • Best time • Small sips How to taste beer? • Analyze the beer • Beer ingredients • Color (EBC) • Brightness • Smell • The actual tasting! (let’s do this together) • 5 primary tastes • Taste associations (Meilgaard) • Taste intensity • Mouth feeling • After taste
  32. 32. • Tasting: • Mouth and nose • 5 primary tastes • Mouth feeling • How to taste? • Rational vs emotional • No prejudices • Descriptive analysis • Create the perfect environment • Best time • Small sips How to taste beer? • Analyze the beer • Beer ingredients • Color (EBC) • Brightness • Smell • The actual tasting! (let’s do this together) • 5 primary tastes • Taste associations (Meilgaard) • Taste intensity • Mouth feeling • After taste
  33. 33. • Tasting: • Mouth and nose • 5 primary tastes • Mouth feeling • How to taste? • Rational vs emotional • No prejudices • Descriptive analysis • Create the perfect environment • Best time • Small sips How to taste beer? • Analyze the beer • Beer ingredients • Color (EBC) • Brightness • Smell • The actual tasting! (let’s do this together) • 5 primary tastes • Taste associations (Meilgaard) • Taste intensity • Mouth feeling • After taste
  34. 34. You can find us at the bar if you want to know more ;) Questions?
  35. 35. Please rate our talk in the official TEQnation app #teqnation

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