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# EMS-ESP

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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](https://proddy.github.io/EMS-ESP) 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

| ![web menu](docs/_media/web/system_status.PNG) | ![web menu](docs/_media/web/ems_dashboard.PNG) |
| -------------------------------------------------------- | ---------------------------------------------------------- |

#### MQTT support for Home Assistant and Domoticz

![ha](docs/_media/home%20assistant/ha.png)

#### Telnet for advanced configuration and verbose traffic logging

| ![telnet menu](docs/_media/telnet/telnet_menu.jpg) | ![telnet menu](docs/_media/telnet/telnet_stats.PNG) |
| ------------------------------------------------------------ | -------------------------------------------------------- |

## Supported EMS devices

More than **50** EMS devices are currently supported. See the [complete list](https://proddy.github.io/EMS-ESP/#/Supported-EMS-Devices).

## Compatible with bbqkees' EMS Gateway

The firmware fully supports BBQKees' [EMS Gateway](https://bbqkees-electronics.nl/) board with integrated Wemos D1 ESP8266.

| ![on boiler](docs/_media/ems%20gateway/on-boiler.jpg) | ![kit](docs/_media/ems%20gateway/ems-kit-2.jpg) | ![basic circuit](docs/_media/ems%20gateway/ems-board-white.jpg) |
| ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------- |