The Grove - Laser PM2.5 Sensor (HM3301)

The HM3301 sensor platform allows you to use your HM3301 particulate matter sensor (more info) sensors with ESPHome.

The sensor communicate with board by I²C protocol, and requires 3.3v.

# Example configuration entry
i2c:

sensor:
  - platform: hm3301
    pm_1_0:
      name: "PM1.0"
    pm_2_5:
      name: "PM2.5"
    pm_10_0:
      name: "PM10.0"
    aqi:
      name: "AQI"
      calculation_type: "CAQI"

Configuration variables

• pm_1_0 (Optional): Use the concentration of particulates of size less than 1.0µm in µg per cubic meter.

  • All options from Sensor.

• pm_2_5 (Optional): Use the concentration of particulates of size less than 2.5µm in µg per cubic meter.

  • All options from Sensor.

• pm_10_0 (Optional): Use the concentration of particulates of size less than 10.0µm in µg per cubic meter.

  • All options from Sensor.

• aqi (Optional): AQI sensor. Requires the pm_2_5 and pm_10_0 sensors defined. See below.

  • calculation_type (Required): One of: AQI or CAQI.
  • All other options from Sensor.

Air Quality Sensor

There is a sensor which calculates quality of air based on PM 2.5 and PM 10.0 values. There are two implementations:

• AQI: USA air quality standard
• CAQI: Europe air quality standard

sensor:
  - platform: hm3301
    pm_2_5:
      name: "PM2.5"
    pm_10_0:
      name: "PM10.0"
    aqi:
      name: "AQI"
      calculation_type: "CAQI"

See Also

• SDS011 Particulate Matter Sensor
• Sensor Filters
• API Reference