Source code and documentation for an air quality sensor package based on the Raspberry Pi Model 3 computer and low-cost retail sensors. Measurements are made every 30 seconds, converted into a JSON string and are recorded then transferred and store at Amazon Web Services (AWS).
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Environmental measurements
- Temperature, Pressure and Relative Humidity - TPU sensor (BME280 breakout; Adafruit) https://www.adafruit.com/product/2652
- Atmospheric Carbon Dioxide Concentration - CO2 sensor (K-30; CO2Meter.com) https://www.co2meter.com/products/k-30-co2-sensor-module
- Particulate Matter (PM) in 16 bins including PM1, PM2.5 and PM10 - Particulate sensor (OPC-N2; Alphasense) http://www.alphasense.com/index.php/products/optical-particle-counter/
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Supporting hardware
- Single-board computer (Raspberry Pi 3 - Model B) https://www.adafruit.com/product/3055
- GPS and Real-time Clock (Ultimate GPS breakout; Adafruit) https://www.adafruit.com/product/746