CDM324 Doppler Motion Sensor Backpack, with FFTs!

A very small form factor project, not only measuring an object's speed but also displaying it!

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The whistled: from whistle to sound recognition (and also some reminders for tinkerers out there)

Once again, here is a short video to show off a simple sound recognition algorithm implemented on the whistled:

As the platform could already do whistle recognition, I thought it would be nice to implement this nice feature...

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The whistled: how to remake a dozen years old project the right way

Hey guys :-)
As the slightly changed adage goes: a video is worth a thousand words:

Interested? Have a look at my tindie page or click below to get more technical details...

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