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This is awesome! Makes me wonder what else you could track with a boatload of NFC tags like this.

Kitchen ingredients? Houseplant watering schedules?

I might have to try out a project like this.

They make cheap sticker ones that I used for testing before upgrading to the machine washable buttons. Combined with apple shortcuts lots of interesting things you can automate.

If you're looking to do more analysis on this data, it would be cool to see a correlation matrix for different articles of clothing in different categories. E.g. looking at how frequently you wear certain tops/bottoms together, or bottoms/shoes.

https://www.displayr.com/what-is-a-correlation-matrix/

Another example of this chart I saw recently was examining compound curse words on reddit:

https://colinmorris.github.io/blog/compound-curse-words#the-...

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