Unit CO2/CO2L ESPHome Component

The Unit CO2/CO2L component reads carbon dioxide concentration, temperature, and humidity data.

1. Component Overview

2. Component Description

Including the Official Component

• Official ESPHome Component - scd4x

SCD4x Sensor

Unit CO2 and Unit CO2L use the scd4x component to create carbon dioxide concentration, temperature, and humidity entities.

sensor:
  - platform: scd4x
    co2:
      name: "CO2"
    temperature:
      name: "Temperature"
    humidity:
      name: "Humidity"

3. Reference Example

i2c:
  sda: GPIOXX
  scl: GPIOXX
  scan: true

sensor:
  - platform: scd4x
    co2:
      name: "CO2"
    temperature:
      name: "Temperature"
    humidity:
      name: "Humidity"

After adding it to the Dashboard, you can view the sensor data in Home Assistant.

4. Related Links

• Unit CO2 Product Page
• Unit CO2L Product Page

5. Related Video