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Replying to @josecastillo
It goes without saying that the Feather ecosystem, also an Adafruit innovation, was a huge part of this product. But Feathers has always been my go-to boards for projects, from the eBook FeatherWing to (in ancient times) the Feather-based Hiking Log: https://twitter.com/josecastillo/status/1178833525694439426
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