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Once upon a time it was monsters hidden in the barcodes of everyday items, but now there are electronic components stuck inside. Using the RedBoard Artemis, Barcode Scanner Breakout and Qwiic Micro OLED Display, we can unlock them for a fun game.
One of the cool new sensors we learned about at CES is the BMV080 - it is the smallest particulate matter sensor available and has several applications to support monitoring indoor and outdoor air quality. Bosch Sensortec had a couple of demos at their booth to demonstrate the capabilities of the sensor.