The goal of this project is to get a Liebherr  freezer connected to HomeAssistant.

LAN only, no cloud, using an ESP32.

  • GND, Blue, GND assumed
  • 1, Green+White, Data 0V default - Unknown currently what that is
  • 2, Brown, 3.2V default (Data)
  • 3, Orange+White, 3.3V (Vcc assumed)

Milestones and their current status

== Status ==== Feature == == Note == 
DoneElectrical Layer AnalysisMostly defined, to the point where we can implement
DoneProtocol DecodingSuperFrost, Door Alarm, Setting temperatores, etc. mostly decoded
WIPESP PoC Integration[Done] Getting an ESP to decode the Protocol (listening only)
[WIP]   Getting the ESP in place as responding device (answers to requests)
[Open] Set state within the freezer
-ESP32 Integration + HousingIntegrate into a fixed housing using a smaller formfactor ESP32
-HomeAssistant Integration

This project succeeds the stale https://hackaday.io/project/175029-hack-a-fridge