Vaillant X6 sensor
Library for reading temperature values from the X6 interface of an vaillant gas heater. 4 Sensors are created in home assistant. For this we use an ESP8266. You need ESPhome version >=1.14
Connections:
Heater Board from top ESP8266
6P4C RJ connector
+---------+
6 --- |
GND 5 --- +--+ GND
TXD 4 --- | D1
RXD 3 --- | D0
2 --- +--+
1 --- |
+---------+
For more commands, see https://old.ethersex.de/index.php/Vaillant_X6_Schnittstelle