Hi all, I am using a PN532 RFID reader module. In its example library is a Mifare UID reading sketch. It outputs a reverse HEX value on the serial monitor like so; 0xCE 0x67 0x6E 0x5A So, to get the correct UID you need to reverse this value (5A6E67CE) and then I have been using online converter…

Code to reverse a HEX value and convert to Decimal

Topic		Replies	Views
Reversing and Converting hex to decimal Programming	19	8071	May 5, 2021
RFID HEX to DEC Programming	35	14065	May 5, 2021
Stocker plusieur caractère hexadecimal dans une variable RC522 lecteur nfc Français	3	1873	May 6, 2021
rfid reader convert hex to dec Programming	25	17446	May 5, 2021
mfrc522 - Mifare UID issues Programming	21	7697	May 5, 2021