A modern brewery controller

The BrewPi Spark 3 is a temperature controller that can control your beer or wine fermentation with 0.1°C precision. It sends data to a Raspberry Pi to show a control panel with graphs in your browser. And all our software is open source!

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How BrewPi works

Hacked Fridge

To control the temperature of your fermenting beer, you need a way to cool and heat it. This is usually done by hacking a fridge to install a heater inside and to give BrewPi control over the compressor.

Solid state relays (SSRs) are used to control 110V or 230V AC power to the heater and cooler with a small control signal from the BrewPi Spark.

BrewPi Spark

The BrewPi Spark will read the temperature sensors in the beer and fridge and will turn the heater and cooler ON and OFF when needed.

All the temperature control algorithms runs locally on the Spark, so that it is fully autonomous to control your brew.

You can see how your beer is doing on the color display.

Raspberry Pi

The Raspberry Pi communicates with the BrewPi Spark over USB and logs brewing data. It also runs the web interface so you can monitor and control your brew via your browser.

The Raspberry Pi connects to your home network and it is the central web server for BrewPi.

Computer, phone or tablet

From any other device on your network, you can access the web page served by the Raspberry Pi.

On your BrewPi webpage, you can start and stop a brew, change your temperature profile, view charts and change settings.

Build your brewery

We think a big part of what makes brewing fun, is designing and building your awesome brewery.

Finding the right building blocks can be hard, but we got you covered.
We put a lot of effort in finding high quality parts and if we cannot find them, we design them ourselves.

Our brewing setups are 'bring your own kettle'. You pick the kettles, we have the rest.
Combine as you like, it's your party.
Start small and expand later or go all out and automate everything right away. BrewPi will adapt to your needs.

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What's next for our brewing software?

We're still adding new features to BrewPi. In fact, we're doing a completely redesign of our software to make it more flexible and user friendly.
All software updates will come for free, to new and existing users.

Mash temperature control

The PID algorithms in the BrewPi Spark can already be used for mashing, but the user interface is still heavily fermentation oriented.

We're working on a new interface that's easier to use on brew day, so you can directly set your HLT temperature, mash temperature, boil intensity and even control your pumps and valves.

Valve control

When brewing, you'll have to either swap a lot of hoses or open and close a lot of valves. If you brew often, automating this process will save you a lot work.

We're building a new tool in which you can drag and drop parts to create a layout for your brewing setup, set up your brewing steps and apply them with one click. This will toggle your motorized valves, set temperatures and control pumps.

Multiple processes

BrewPi currently controls just one beer in one fridge, because it wasn't designed with more in mind when it started. We are now rewriting our firmware, web server and user interface to control multiple processes.

When this is ready, there will be no limit on the number of sensors, outputs and PIDs. You can control multiple fermentations, kegs, mash, etc.

Latest blog posts:

Now available: the BrewPi Spark 3

July 17, 2017 | 11 Comments

Today, we can proudly announce that the BrewPi Spark 3 is ready to ship! With a complete redesign of the electronics and the casing, its our biggest update to date and it has been a long journey. Sorry to keep you guys waiting. I have a newfound sympathy for overdue kickstarter projects. Designing a new…

BrewPi Spark 3 update (almost ready!)

June 30, 2017 | 19 Comments

Hi guys, Just a quick update on the BrewPi Spark 3. We’re getting really close to release now. Injection molded casing I hoped we could release tomorrow, but we were not 100% happy with the new enclosure after the first test run of the mold. Let me illustrate with some photos. As you can…

What is the ideal HERMS coil length? Theory and experiments

June 3, 2017 | 30 Comments

Introduction When we started selling HERMS coils 2 years ago, we made our 40cm coil 15 meters (50 feet) long. The 30cm coil was 11.5m long. Why? That’s what most home brewers were doing. But we recently started to suspect that such a long coil is not optimal. Sure, a longer coil will give you…

BrewPi Spark V3: production progress

May 25, 2017 | 15 Comments

Hi Guys, We’re getting closer to the release of the BrewPi Spark V3, but it has taken a bit longer than I originally planned. The BrewPi Spark V2 has been out of stock since March. In this posts, I’d like to share some photos of the production process so you get an idea of what’s…

About BrewPi

We're a small company from the Netherlands developing innovative brewing hardware and software since 2012. Our goal is to help small brewers to build awesome breweries. We do that by developing open source brewery control software, temperature controllers and many other building blocks for small scale breweries.
We ship worldwide with FedEx. If you enter your postal code in the shopping cart on store.brewpi.com you get an instant quote for the shipping costs.

If you have a question or need advice, you can post on our community forum or create a support ticket with the form on the right.

BrewPi B.V.
Torenallee 32-42
5617BD Eindhoven
The Netherlands