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Ketram

@Ketram@lemmy.blahaj.zone

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Inside the tiny chip that powers Montreal subway tickets (www.righto.com)

To use the Montreal subway (the Métro), you tap a paper ticket against the turnstile and it opens. The ticket works through a system called NFC, but what's happening internally? How does the ticket work without a battery? How does it communicate with the turnstile? And how can it be so cheap that you can throw the ticket away...

Ketram ,

Thank you for the link! Always had only a vague understand of NFC communication.

Ketram ,

I only recognized this as Might & magic because I've watched too many Sseth videos.

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