Unit Mini TVOC/eCO2 ESPHome Component

The Unit Mini TVOC/eCO2 component reads TVOC and eCO2 concentration data.

1. Component Overview

Item	Information
Product Name	Unit Mini TVOC/eCO2
SKU	U088
Main Function	TVOC and eCO2 concentration detection
Communication Interface	I2C
Default I2C Address	`0x58`
ESPHome Component	`sgp30`
ESPHome Version Requirement	`2026.2.2` and later

2. Component Description

Including the Official Component

Official ESPHome Component - sgp30

Sensor Configuration

Unit Mini TVOC/eCO2 uses the official SGP30 sensor to provide eCO2 and TVOC entities, with support for storing or specifying baseline values.

sensor:
  - platform: sgp30
    address: 0x58
    update_interval: 2s
    store_baseline: true
    # Optional configuration
    # baseline:
    #   eco2_baseline: 0x190 # 400
    #   tvoc_baseline: 0x0   # 0
    eco2:
      name: "eCO2"
    tvoc:
      name: "TVOC" 

Main parameters:

Parameter	Value	Description
`address`	`0x58`	I2C address of Unit Mini TVOC/eCO2.
`update_interval`	2s	Interval for updating measurements in Home Assistant.
`store_baseline`	true	Enables baseline value storage.
`baseline`	Optional	Preset baseline values that can be adjusted for the environment.
`eco2`	eCO2 sensor entity configuration	Configures the eCO2 sensor entity.
`tvoc`	TVOC sensor entity configuration	Configures the TVOC sensor entity.

3. Reference Example

yaml 
i2c:
  sda: GPIOXX
  scl: GPIOXX
  scan: true

sensor:
  - platform: sgp30
    address: 0x58
    update_interval: 2s
    store_baseline: true
    eco2:
      name: "eCO2"
    tvoc:
      name: "TVOC"

Unit Mini TVOC/eCO2 Product Page

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