DIY Open Source Air Quality Sensor Using An e-Ink Display

The core sensor is the SGP40, which detects volatile organic compounds (VOCs) in the air while consuming less than 3 mA (compared to the 48 mA of the previous generation). There’s a temperature, barometric pressure, humidity, and light sensors in the package as well.

Andrew not only designed the sensor but has done a thorough job on the documentation. Check out the GitHub repository of the project for a complete data package covering all aspects of the design, including the weather forecasting app note by John Young (an NXP engineer, not the astronaut).

See DIY Air Quality Sensor

#environment #airpollution #airquality #opensource #technology

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[Andrew Lamchenko], who has built a number of small e-ink-based sensors this year, released another design called the eON Indoor Air Quality Sensor. As his previous sensor designs, the eON b…


https://gadgeteer.co.za/diy-open-source-air-quality-sensor-using-e-ink-display

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