Renesas ZMOD4410 Indoor Air Quality HAT for Raspberry Pi Measures VOC, Humidity, and Temperature

We’ve recently covered a few products or solutions designed to report indoor air quality (IAQ) including ESPurna firmware getting support for BME680 precise indoor air quality measurements and Metriful Sense indoor environment monitor for Arduino and Raspberry Pi.

Avnet has now introduced its own Raspberry Pi IAQ add-on board with “Renesas ZMOD4410 Indoor Air Quality HAT for Raspberry Pi” capable of measuring VOC (volatile organic compounds), humidity and temperature, as well as estimating carbon dioxide (eCO2) levels.

Renesas ZMOD4410 Indoor Air Quality HAT for Raspberry Pi (VOC)Renesas ZMOD4410 TVOC Sensor Hat (AES-RHSEN-ZM44-G) key features and specifications:

  • Sensor – Renesas ZMOD4410 TVOC / IAQ I2C sensor, Renesas HS3001 relative humidity & temperature I2C sensor
  • Misc – Power LED; software-controlled status LEDs for “sample active” and “limit”
  • Host Interface – 20-header for Raspberry Pi with configurable alarm/interrupt output
  • Power
    • Supply via header
    • Jumper for supply voltage selection between 1.75V and 3.9V (default:  3.3V)
    • Test points to measure ZMOD4410 current consumption

Avnet provides a pre-compiled test application using Renesas TVOC and eCO2  algorithms and running under the Raspberry Pi OS (previously Raspbian).

ZMOD Test Application
ZMOD Test Application – Click to Enlarge

If you’d like to build your own application, you’ll have to download ZMOD algorithm libraries and related confidential data separately, because just like Sensortec Environmental Cluster (BSEC) Software, the Renesas algorithm libraries for ZMOD gas sensors that return TVOC and eCO2 data require the user to accept the terms and conditions of Renesas’ Software License Agreement. You’ll need to go to the sensor’s product page to download those libraries and data.

Target applications include smart home appliances, smart thermostats, smart fans, smoke alarms, vacuum cleaners, HVAC controls, air purifiers. building automation, and so on.

The Renesas ZMOD4410 Indoor Air Quality HAT  is sold for $49.95 on Avnet. Further information may be found on the product page

Via LinuxGizmos

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