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Embed the holds with a led and ir sensor a la swift concert [0] and you’ve got the whole package. 0. https://news.ycombinator.com/item?id=40492515 https://news
by adolph 2y ago
Embed the holds with a led and ir sensor a la swift concert [0] and you’ve got the whole package.
0. https://news.ycombinator.com/item?id=40492515 https://news.ycombinator.com/item?id=40492515