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hgomersall
on June 24, 2024
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The tiny chip that powers Montreal subway tickets
40 years ago we had a read-write system based on mechanical trimming of a piece of card and a physical time stamp[1]. It's absolutely possible to roll out a system to keep track of journeys that doesn't require fancy embedded ICs.
[1]
https://www.facebook.com/uktvads/videos/kerching-a-saverstri...
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[1] https://www.facebook.com/uktvads/videos/kerching-a-saverstri...