So I have an android app for a shop, it stores information of products bought by customers, when customers are done shopping it calculates the total bill. Is there a way I could pass this bill information directly to card reader so the shop keeper dose not have to put it manually in the card reading machine? I would appreciate any help and suggestions.
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Ask the manufacturer of the card reader. – CommonsWare Apr 08 '17 at 12:16
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2You can try to use nfc module – shmakova Apr 08 '17 at 12:26