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[–] 16 points 1 month ago

The pretty common one is to have infrared LEDs shining on the plate. Humans can't see the light but cameras can and it blinds them. It's worth noting that it's illegal, and if the police catch you doing it they'll arrest you just for that. I'm not sure how much help that is, but then again, any technique that blocks the cameras from reading your plate is likely considered illegal.

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