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Brew Bubbles Documentation

One of the very first things a homebrewer does in the morning after a brew day is rush to the fermenter and look to see if the airlock is bubbling. Just in case you are not quite at the point you take a day off afterward, or even remember to brew on Saturday, this project is for you.

Brew Bubbles is a combination hardware/software solution for homebrewers. Brew Bubbles intends to allow monitoring of the fermentation process by counting and reporting bubbles in an S-type airlock as “Bubbles per Minute” (BPM.) Also, since not everyone has a fancy fermentation chamber and temperature control, Brew Bubbles optionally reports the temperature of your fermenter and the room in which the fermenter rests. All of these reports in a compact mobile-responsive web page served by the device itself.

If you use temperature control already, such as BrewPi Remix or Fermentrack, Brew Bubbles reports that data to display in that solution. If you use a cloud dashboard for your brews such as Brewer’s Friend, the data may be displayed there as well.


This documentation is absolutely a work in progress, in that I depend on you to help me make sure it is relevant and easy to read. I know how to work with Brew Bubbles. My goal is to make you an expert too. Anything that is confusing is a bug and I want to know about it, please.

For spelling/grammatical errors, or if you would like to improve the documentation, please feel free to issue a pull request with the update. For technical issues with the documentation, please open an issue on GitHub.