flexit

ESP32-C5 button panel for the Flexit Tradition-S ventilation unit — 5 illuminated buttons emulated through opto-couplers, Wi-Fi 2.4/5 GHz, and MQTT for smart-home integration. Web UI for Wi-Fi and broker configuration. KiCad hardware included.

home-automation mqtt arduino smarthome esp32 platformio home-assistant flexit kicad ventilation wifi6 esp32-c5 flexit-tradition-s

Updated Jul 24, 2026
C++

ravndal / hacs_flexit_bacnet

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Built on https://github.com/piotrbulinski/core/tree/flexit_bacnet

flexit hvac hacs

Updated Jul 12, 2023
Python

agjendem / flexit-sl4r-esphome

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ESPHome external_component for Flexit SL4R (CS50/CI50) over RS485 — reverse-engineered proprietary protocol, ATOM Lite + Tail485

protocol esp32 reverse-engineering home-assistant rs485 flexit hvac ventilation esphome

Updated Aug 20, 2026
C++

oleost / VentReg

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Home Assistant: kurvestyring av tilluftstemperatur (Flexit) basert på utetemperatur

home-assistant flexit hacs ventilation homeassistant-integration heating-curve

Updated Jul 5, 2026
Python

SOBowitz / flexit

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Control Flexit Nordic ventilation units via BACnet/IP — CLI tool and Homey smart home app

smart-home flexit bacnet homey ventilation homey-app

Updated Feb 7, 2026
JavaScript

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