A Home Assistant Blueprint to reliably sync external temperature sensors with Bosch Radiator Thermostats II, featuring battery-optimized heartbeat updates and precision triggering
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Updated
May 20, 2026
A Home Assistant Blueprint to reliably sync external temperature sensors with Bosch Radiator Thermostats II, featuring battery-optimized heartbeat updates and precision triggering
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.
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