EMS-ESP32/README.md

EMS-ESP

EMS-ESP is a open-source system to communicate with EMS (Energy Management System) based boilers, thermostats and other modules from manufacturers like Bosch, Buderus, Nefit, Junkers and Sieger.

The code is written for the Espressif ESP8266 microcontroller and supports a telnet console for real-time monitoring and configuration and customizable MQTT support for publishing the information to a home automation system such as Home Assistant or Domoticz.

Please reference the Wiki for further details and instructions on how to build and configure the firmware.

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Features

A web interface for easy configuration and real-time monitoring of the EMS bus

MQTT support for Home Assistant and Domoticz

Telnet for advanced configuration and verbose traffic logging

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Current list of supported EMS devices

Thermostats:

• Buderus RC10, RC20, RC20F, RC30, R35, RC300, RC310, RC3000
• Buderus Logamatic TC100 (read-only)
• Nefit Moduline 100, 300, 400, 1010, 3000
• Nefit Moduline Easy (read-only)
• Bosch Easy, CW100 (read-only)
• Junkers FR10, FR100, FR110, FW100, FW120
• Sieger ES73

Boilers:

• Buderus GBx72, GB162, GB152, Logamax U122, Logamax plus/GB192, Logano
• Bosch Condens 2500
• Junkers Cerapur, Heatronic 3 boilers
• Nefit Proline, Trendline, Topline, Enviline, Smartline
• Sieger BK15 Boiler

Solar Modules:

• Buderus SM10, SM50, SM100 Solar Module
• Junkers ISM1 Solar Module

Mixing Modules:

• Buderus MM10, MM50, MM100 Mixer Module

Heat Pump Modules:

• Buderus HeatPump Module

Other devices:

• Generic Buderus MC10 Module
• Buderus WM10 Switch Module
• Buderus RFM20 Receiver
• Buderus BC10, BC25 Base Controller
• Buderus Web Gateway KM200
• Nefit Moduline Easy Connect
• Bosch Easy Connect
• EMS-OT OpenTherm converter
• Junkers Controller

Compatible with EMS Gateway

Using BBQKees' EMS Gateway board with integrated Wemos D1 ESP8266: