EMS interface boards

Introduction

The EMS interface boards are compatible with all EMS versions like EMS, EMS+ and Heatronic. They a 3V3-5V compatible interface for interfacing with a standard UART (serial port) of a microcontroller like the Arduino and the ESP8266.

The latest version V3 looks like this:

EMS interface board V3.0

And older versions have similar features but a different design:

EMS interface board EMS interface board

You can find even more information on my BBQKees Github repository 1.

1

https://github.com/bbqkees/Nefit-Buderus-EMS-bus-Arduino-Domoticz