The free version of the SensiML Toolkit gives you a way to learn the process for automated machine learning based sensor algorithm development and to evaluate many of the software's features prior to purchasing a subscription.
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Minimum Requirements
Windows: Windows 10 Fall Creators Update (Version 1709, October 2017)
Android: Android KitKat 4.2
Bluetooth Module: Bluetooth 4.0
Data Depot
You can find more information about the data sets that come with a free trial at https://datadepot.sensiml.com/