andrewreid/kegmon

DIY scale for beer keg monitoring

KegMon - Monitoring the volume in your kegs

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