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0.2.0 • Public • Published

Node-RED Braumeister

Basic Node-RED nodes for interacting with Speidels Braumeister homebrewing system. When a BRAUMEISTERmobil WiFi module is installed, it is running a web server with a rudimentary API. It provides measurement data like temperature or pump status as well as a list of stored recipes.


  • Braumeister brewing equipment
  • BRAUMEISTERmobil WiFi extension module
  • Node-RED

braumeister node

braumeister node

This node does an HTTP request to the Braumeister's /bm.txt file. The response is a txt file containing a csv-like string:

"V1.1.27 Sep 12 2018;0004A30B003FA809;0X13:13XCX2930X0X 72.5X0X2234X1X1X5X0X191XA00SXpiX000X0X0X0"

(See /bm.txt for more details what these values stand for.)

This node converts this string into an object containing measurement data / status values.

value description
firmware_version Braumeister firmware version
temperature_current current temperature in °C
temperature_target target temperature in °C
time_target target time in seconds
time_elapsed elapsed time in seconds
pump pump status: "off", "on" or "inactive"
heating heating status: "off", "on" or "inactive"
source_string raw source string

Example Usage


recipes node

recipes node

This node does an HTTP request to the Braumeister's /rz.txt file, parses the recipes and returns them in an array of objects:

      index: 0,
      mesh_in_temperature: 45,
      step_1_temperature: 50,
      step_1_time: 15,
      step_2_temperature: 60,
      step_2_time: 20,
      step_3_temperature: 70,
      step_3_time: 15,
      step_4_temperature: 75,
      step_4_time: 5,
      boiling_time: 30,
      boiling_temperature: 100,
      hop_1_time: 5,
      hop_2_time: 10,
      hop_3_time: 15,
      hop_4_time: 0,
      hop_5_time: 0,
      hop_6_time: 0,
      beer_name: "Doubly Hoeppi"


Contributions are always welcome! I need help further decrypting the /bm.txt response file.


npm i node-red-contrib-braumeister

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