5022eac1d8
- added froeling svg files - added home.css for ha-floorplan card - extended readme for Dashboard / Card configuration in HA - added example Dashboard screenshot
ESPHome-Froeling-Lambdatronic_3200
ESHome RS232 to TTL - ESP8266 - Read data from Froeling / Lambdatronic 3200
I'm testing this with my Fröling SP Dual. But I assume it should also work for other models that have the Lambdatronic 3200 control unit. Feedback appreciated.
Parts:
Wemos D1 Mini ESP8266: https://www.amazon.de/dp/product/B0CB85Q78G
MAX3232 DB9 RS232 TTL converter: https://www.amazon.de/gp/product/B0BNQ41QKQ
| Wemos | D7 | D8 | 5V | G |
|---|---|---|---|---|
| MAX3232 | RX | TX | VCC | GND |
Connect a RS232 (DB9) cable between "MAX3232 DB9 RS232 TTL converter" and you boiler's mainboard (COM2).
Boiler Settings:
- Click on the user icon
- Enter code "-7"
- Boiler > Modbus Protokoll RTU(1)
- Boiler > use Modbus Protokoll 2014
Home Assistant Dashboard
prerequisites:
- https://experiencelovelace.github.io/ha-floorplan/
- copy all files from /ha_dashboard/* to your Home assistant instance /config/www/froeling/*
- create a card in your dashboard and add the content of "ha_dashboard.yaml" !! Currently, only one Panel is provided!! I'm working on the rest. An update will follow.