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Sandeep Mistry, from Arm, recently released this blog that teaches readers how to train and deploy a custom audio classifier machine learning model to a Raspberry Pi Pico or the SparkFun MicroMod RP2040, using TensorFlow and Google Colab
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.