An open-source hardware interface designed to safely connect microcontrollers (like ESP32 or Raspberry Pi) to the EMS (Energy Management System) bus used by Bosch, Buderus, Junkers, IVT and Nefit heating systems.
esp32 smart-home home-assistant buderus ems-bus junkers ivt esphome ems-esp heating-automation bosch-heating boiler-interface
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Updated
Jun 25, 2026