connects E3 (Vitocal, Vitodens, VX3/Vitocharge etc) controller through CAN or DoIP via local access
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Updated
Oct 14, 2026 - Python
connects E3 (Vitocal, Vitodens, VX3/Vitocharge etc) controller through CAN or DoIP via local access
Home Assistant integration for Viessmann heating controllers over the Optolink port, with an ESP32 running stock ESPHome as the bridge. Catalog-driven, no hardcoded datapoints.
Viessmann E3 series CAN communication for ioBroker
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