Working ESPHome Solution for Finnish Smart Electricity Meters (SESKO SK 13-1:2022)

[nikop]

Thank you to all who gave me boost to make a c++ component! Discussion continues on

[RELEASE] dsmr-custom: Universal ESPHome Component for DSMR-compatible Smart Meters

Summary: The dsmr-custom component enables robust integration of DSMR-compatible smart meters with ESPHome and Home Assistant. While initially optimized for Finnish meters transmitting unencrypted data via P1 ports, this implementation includes experimental support for AES-GCM encryption used in other regions. The component prioritizes flexibility through configurable OBIS mapping and real-time telegram analysis tools. 1. Core Features 1.1 Broad Protocol Support The component parses DSMR v2–v…