You can build a digital nose with the ENS160 Gas Sensor, a fully integrated MOX gas sensor. This is a very fine air quality sensor from the sensor experts at ScioSense, with I2C interfacing so you don’t have to manage the heater and analog reading of a MOX sensor. It combines multiple metal-oxide sensing and heating elements on one chip to provide more detailed air quality signals.
The Adafruit ENS160 MOX Gas Sensor guide has everything you need to get started with using this gas sensor breakout. There’s pages for overview, pinouts, CircuitPython, Arduino and download resources.
Check out the full guide: Adafruit ENS160 MOX Gas Sensor // Read more: original article.

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