https://github.com/mp-se/kegmon

DIY scale for beer keg monitoring
https://github.com/mp-se/kegmon

dht22 ds18b20 esp32 esp8266 hx711 nau7802 scale

Last synced: 3 months ago
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DIY scale for beer keg monitoring

• Host: GitHub
• URL: https://github.com/mp-se/kegmon
• Owner: mp-se
• License: mit
• Created: 2022-05-03T18:32:56.000Z (about 4 years ago)
• Default Branch: master
• Last Pushed: 2026-02-01T13:30:27.000Z (5 months ago)
• Last Synced: 2026-03-27T23:42:41.214Z (3 months ago)
• Topics: dht22, ds18b20, esp32, esp8266, hx711, nau7802, scale
• Language: C++
• Homepage:
• Size: 102 MB
• Stars: 19
• Watchers: 2
• Forks: 5
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# KegMon - Monitoring the volume in your kegs

![KegMon Logo](src_docs/source/images/kegmon_logo_s.png)

This is a project that I have done for my own Keezer, if you like it please feel free to suggest improvements. 

For docs see: https://mp-se.github.io/kegmon/index.html

# Hardware

* Supports ESP8266 D1 mini, ESP32s2 mini or ESP32s3 mini

* Loadcells and HX711/NAU7802 ADC converters

* DS18B20, DHT22, BME280 or BrewPI(IP) temperature sensors

* OLED 0.96" or LCD 20x4/20x2 displays

# Features

* Can measure weight from 1 or 2 scales

* Stable scale presentation (data is filtered and processed)

* Support temperature/humidity sensor in one scale base

* Integration with Brewfather to retrive data on brew

* Integration with Brewspy to retrive data on brew and also update the remaning volume and pours

* Integration with Home Assistant

* Weights and Volumes in Metric, Imperial (both US and UK)

* Pour detection for pours over 100 ml

* Estimation on how many glasses remain in the kegs

* Firmware update via UI

* One build for all hardware options

* Modern HTML5 UI

* Easy scale calibration

* 3D models and PCB