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miguelbalboa / rfid

Arduino RFID Library for MFRC522
The Unlicense
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working #401

Closed awsmhemi closed 6 years ago

awsmhemi commented 6 years ago

anyone plz explain me the working of these lines... This from rfid reader sample program.

for (byte i = 0; i < mfrc522.uid.size; i++) { Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " "); Serial.print(mfrc522.uid.uidByte[i], HEX); content.concat(String(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ")); content.concat(String(mfrc522.uid.uidByte[i], HEX)); }

awsmhemi commented 6 years ago

screenshot 27

Rotzbua commented 6 years ago

Hi, this is a programming question. Please ask in the arduino forum, stackoverflow or something else you prefer. Best