MQTT Device Manifest Generator (HA Discovery + Profiles)

1) Base settings

Preset

Target outputs

Device ID (node id)

Device name

Manufacturer

Model

SW version

State topic (JSON)

Availability topic

Home Assistant discovery prefix

Device info topic (optional)

Retain Discovery config (recommended)

Include availability + LWT fields

Add diagnostics sensors (status/seq/uptime if present)

Canonical tree recommendation: .../state, .../availability, optional .../info and .../command. The generator will keep IDs stable for future upgrades.

2) Wizard: choose measurements

Toggle metrics on/off, then tune names/units/classes. All values are read from the same JSON state payload.

3) Output

Publish each config message with retain=true. Publish state periodically. Use LWT for availability.

Generated MQTT publishes (copy/paste)