PiAQ: Open Source Indoor Air Quality Sensor

National Association of Realtors’ CRT Labs in Chicago has developed a Raspberry Pi HAT to make information about the air people are breathing more accessible:

The PiAQ

Open Source Indoor Air Quality Sensor for the Raspberry Pi

Measurement Points:

  • Temperature (SHT31)
  • Relative Humidity (SHT31)
  • VOC (Volatile Organic Compounds) (IAQ Core)
  • Derived CO2 (IAQ Core)
  • Barometric Pressure (MPL3115A2)
  • Light Intensity (TSL2561)
  • CO Concentration (MiCS-4154)
  • NO2 Concentration (MiCS-4154)
  • Sound Intensity (ADMP401)

Connectivity:

  • FSK (RFM69HW 433/915MHz)
  • WiFi (Particle Photon)
  • Cellular (Particle Electron) (Coming soon)
  • LoRa (Coming Soon)

Authors and Contributors

Schematics and Eagle CAD Files are on GitHub:

NationalAssociationOfRealtors/PiAQ

CRTLabs has shared the board on OSH Park:

PiAQ HAT