emsesp

emsesp/EMS-ESP32

ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

8 good first / help-wanted issues · C++ · last activity Jul 13, 2026

975 stars 147 forks 975 watchers C++ GNU Lesser General Public License v3.0
boiler bosch buderus ems esp32 heatpump home-assistant home-automation ht3 iot junkers mqtt solar thermostat
8 Open Issues Need Help Last updated: Jul 13, 2026

Open Issues Need Help

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emsesp/EMS-ESP32
975

ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

C++
#boiler#bosch#buderus#ems#esp32#heatpump#home-assistant#home-automation#ht3#iot#junkers#mqtt#solar#thermostat
emsesp/EMS-ESP32
975

ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

C++
#boiler#bosch#buderus#ems#esp32#heatpump#home-assistant#home-automation#ht3#iot#junkers#mqtt#solar#thermostat
emsesp/EMS-ESP32
975

ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

C++
#boiler#bosch#buderus#ems#esp32#heatpump#home-assistant#home-automation#ht3#iot#junkers#mqtt#solar#thermostat
help wanted
emsesp/EMS-ESP32
975

ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

C++
#boiler#bosch#buderus#ems#esp32#heatpump#home-assistant#home-automation#ht3#iot#junkers#mqtt#solar#thermostat
emsesp/EMS-ESP32
975

ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

C++
#boiler#bosch#buderus#ems#esp32#heatpump#home-assistant#home-automation#ht3#iot#junkers#mqtt#solar#thermostat
emsesp/EMS-ESP32
975

ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

C++
#boiler#bosch#buderus#ems#esp32#heatpump#home-assistant#home-automation#ht3#iot#junkers#mqtt#solar#thermostat
emsesp/EMS-ESP32
975

ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

C++
#boiler#bosch#buderus#ems#esp32#heatpump#home-assistant#home-automation#ht3#iot#junkers#mqtt#solar#thermostat

AI Summary: The user is experiencing authentication issues when attempting to control their Bosch Compress 6000W boiler using the EMS-ESP firmware. The task involves troubleshooting the authentication failure, likely by checking the EMS-ESP configuration (possibly related to the boiler's credentials or communication settings), reviewing the provided log file for more specific error messages, and potentially updating the firmware or hardware configuration.

Complexity: 4/5
help wanted
emsesp/EMS-ESP32
975

ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

C++
#boiler#bosch#buderus#ems#esp32#heatpump#home-assistant#home-automation#ht3#iot#junkers#mqtt#solar#thermostat