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Evolution of the LWZ Monitoring: From Python to ESPHome

ID: cbd92a55-aa70-5615-aa69-9285b22e5ba1

STIX ID: report--cbd92a55-aa70-5615-aa69-9285b22e5ba1

Feed Name: Security Boulevard

Date Published: 2026-05-29

Date Updated: 2026-05-30

Author: robert

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This blog post announces a major update to the LWZ 403 SOL heat-pump monitoring project, replacing a Linux/Python daemon and serial cabling with an ESP8266 (NodeMCU) ESPHome integration, a custom C++ DLE protocol handler to address firmware quirks, and Home Assistant dashboard visualizations; it links to the updated guide, technical tables, and source code.

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