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Case for a DIY air quality sensor with Raspberry Pi that logs readings to a database, for $30 in parts : r/functionalprint
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Amazon.com: Environment Sensor HAT for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero W/Zero WH,Onboard VOC Sensor Gyroscope Accelerometer Magnetometer Barometer Temperature Humidity Sensor I2C Bus : Electronics
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Amazon.com: Digital SGP40 VOC (Volatile Organic Compounds) Gas Sensor for Easy Integration Into Air Treatment Devices and Air Quality Monitors, I2C Bus Support Raspberry Pi/STM32 : Electronics
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Sustainability | Free Full-Text | Low Cost, Multi-Pollutant Sensing System Using Raspberry Pi for Indoor Air Quality Monitoring
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