hello guys!)
so, as the subject says, i need to mark cards, but i'm not interested in some usual ways like writing Braile on them.
i need marks that can probably be recognized with a smartphone. like, you have an app, and you load card photos into this app. and then you point your camera at a card, and the app tells you which photo is closest to the card you point at. may be you can add textual description to a photo, it's not so important. the thing is, your phone tells you which photo is the closest. thing you guys got it.
may be you know such apps for iOS, i'll realy appreciate you tell me about it
also, may be you can hellp me find other ways of marking cards.
but! the most important thing: cards must stay untouched. so, no braile on them, no glue, nothing sticky at all. right now i can think only about card sleeves, may be i should write braile on them and then place cards inside. but i'll be glad to read what you guys think about it. may be you have your own ways i have never thought of!)
the next objective will be marking tiles and boards!
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