To start reading sensor data from the Würth Elektronik Sensor FeatherWing combined with the Arduino Portenta H7 navigate to the "Reading Sensor Data"
To use the Machine Learning model I've created navigate to the folder "SensorFeatherwing_Portenta_predictive_maintenance" where you'll find the main.cpp file under the src folder
For more info read the full article here: https://resources.mouser.com/hardware-projects/predictive-maintenance-using-machine-learning-on-edge-devices