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A comment on With a simple piece of paper, engineers create self-powered, wireless keyboard. Parent comment
We needed a small battery coin for some unique interactions, not sure if that was needed, & not sure/didnt read what Purdue is doing different with self-power.
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We needed a small battery coin for some unique interactions, not sure if that was needed, & not sure/didnt read what Purdue is doing different with self-power.