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Home Assistant TestFlight
Elegoo

Elegoo Mars 3 / 4 Ultra

Lights · Lighting

WorksLocal

1 report: 1 says it works.

Reported with 1 integration: Elegoo Printer.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Elegoo PrinterWorks LocalListed in README Mars range
Saved copy
Supported devices: Mars Range (e.g., Mars 5, 5 Ultra); Saturn Range (e.g., Saturn 4, 4 Ultra); Centauri Range (e.g., Centauri Carbon); Saturn Range (e.g., Saturn 2, 3 Ultra); Mars Range (e.g., Mars 3, 4 Ultra); Jupiter Range; Begin Time, End Time, and Cover Image sensors will show "Unknown."; Standard sensors (status, layers, temps, progress) function normally.; Centauri Carbon 2; Elegoo Cura (some models); Printer and Home Assistant must be on the same network/VLAN/subnet; For containerized Home Assistant (Docker/Kubernetes): Use host networking or proper network bridging; Port 1883 (MQTT) …

Excerpt saved from the README on 2026-10-23.

README

Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.

In ReReHome

Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.

Identifiers

BrandElegoo
ModelMars 4 Ultra
CategoryLights