Re:The tiny chip that powers Montreal subway tickets
by hgomersall on Monday June 24, 2024 @07:08AM
(#40774583)
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...