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PolskiHome Assistant picks up an MQTT entity on its own as soon as a retained config message sits on the right topic. This builder writes that message and checks the combinations that produce an entity which exists but never works.
MQTT Discovery Payload Builder for Home Assistant
Articles that explain this
- Tutorial: Publishing an MQTT Discovery Payload That Reaches the Energy Dashboard Tutorials
- Home Assistant Energy Dashboard: Device Class, Unit and State Class in the Discovery Payload Smart Home
- ESPHome and ESP32 in Practice: Building Cloud-Free Environmental Sensors Smart Home
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- Tutorial: Publishing an MQTT Discovery Payload That Reaches the Energy Dashboard
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