EMS interface boards

Introduction

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

EMS interface board EMS interface board

Note: depending on the batch the color of the circuit board may be different. There is however no difference in function.

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

1

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