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IOT·Apr 2023
PZEM ESPHome Integration
Custom ESPHome component for 3-phase energy monitoring using multiple PZEM-004T devices and a NodeMCU (ESP8266), with Home Assistant integration.
TECH STACK
C++ESPHomeHome AssistantIoTYAMLESP8266
3-phase energy monitoring via three PZEM-004T modules on a single NodeMCU, integrated with Home Assistant through ESPHome.
This sits in the same monitoring bucket as my Proxmox CPU Temperature Monitor: collect the boring physical-world numbers first, then let dashboards and alerts do their job before something smells expensive.