SmartHomeShop Docs

Overview

The UltimateSensor Mini v1 is the Mini hardware version with built-in microphone, speaker, media player and voice-assistant support for Home Assistant.

Important firmware upgrade: Updating from firmware 2.42 or older requires a one-time USB-C installation. Read the Version 3.0 Upgrade Guide before updating.

Have UltimateSensor Mini v2? Use the UltimateSensor Mini v2 documentation. Mini v2 is different hardware and does not include microphone, speaker or local wake word support.

Key Features

Feature Description
Voice assistant Built-in microphone, speaker and media player for Home Assistant voice pipelines
Local wake word Included in production firmware 3.0 and newer
CO2, temperature, humidity Sensirion SCD41
VOC / NOx Sensirion SGP41 air quality index
Light intensity BH1750 lux sensor
Presence LD2450 mmWave radar: tracks up to 3 people, 4 polygon zones
Particulate matter Optional Sensirion SPS30 module
Connectivity WiFi
Power USB-C
Integration ESPHome + Home Assistant

Product Variants

Webshop variant Firmware name Included
Without SPS30 Basic Mini v1 sensors without the SPS30 particulate matter module
With SPS30 Complete Mini v1 sensors + SPS30 particulate matter measurements

Basic and Complete both include the Mini v1 voice hardware. The difference is only whether SPS30 particulate matter is present.

Mini v1 vs Mini v2

Feature Mini v1 Mini v2
Voice assistant Yes No
Microphone + speaker Yes No
Local wake word Yes, in production firmware 3.0 and newer No
ESP platform ESP32-S3 ESP32-C6
Ethernet / PoE No Yes
Thread firmware No Yes

Documentation

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