Skip to content
This repository has been archived by the owner on Oct 4, 2021. It is now read-only.
/ EMS-ESP Public archive

ESP8266 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

License

Notifications You must be signed in to change notification settings

emsesp/EMS-ESP

Repository files navigation

logo

Important - PLEASE READ !!
This repo is for the ESP8266 version. It is no longer maintained and superceeded by version 3 which is based on the ESP32 and located at https://github.com/emsesp/EMS-ESP32. To upgrade an interface board from version 2 to version 3 take a look at BBQKees's instructions.

EMS-ESP is an open-source firmware for the Espressif ESP8266 and ESP32 microcontroller that communicates with EMS (Energy Management System) based equipment from manufacturers like Bosch, Buderus, Nefit, Junkers, Worcester and Sieger.


version release-date license downloads Average time to resolve an issue Percentage of issues still open
chat

If you like EMS-ESP, please give it a star, or fork it and contribute!

GitHub stars GitHub forks donate

Note, EMS-ESP requires a small hardware circuit that can convert the EMS bus data to be read by the microcontroller. These can be ordered at https://bbqkees-electronics.nl.


Features

  • Compatible with both ESP8266 and ESP32
  • A multi-user secure web interface to change settings and monitor the data
  • A console, accessible via Serial and Telnet for more monitoring
  • Native support for Home Assistant via MQTT Discovery
  • Can run standalone as an independent WiFi Access Point or join an existing WiFi network
  • Easy first-time configuration via a web Captive Portal
  • Support for more than 70 EMS devices (boilers, thermostats, solar modules, mixer modules, heat pumps, gateways)

Screenshots

Web Interface

Telnet Console