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