topic Re: RC522 RFID reader and arduino in NFC https://community.nxp.com/t5/NFC/RC522-RFID-reader-and-arduino/m-p/736231#M3102 <HTML><HEAD></HEAD><BODY><P>Hello Jarmil,</P><P></P><P>This question was already answered via case.</P><P></P><P>Regards,</P><P>Ivan.</P></BODY></HTML> Wed, 24 Jan 2018 17:39:34 GMT IvanRuiz 2018-01-24T17:39:34Z RC522 RFID reader and arduino https://community.nxp.com/t5/NFC/RC522-RFID-reader-and-arduino/m-p/736230#M3101 <HTML><HEAD></HEAD><BODY><P>Hello<BR />the query is for the RC522 RFID reader. Are its inputs tolerant to the 5V arduino output if the 3.3V reader power supply is maintained? Or is it necessary to use the signal converter?</P></BODY></HTML> Fri, 19 Jan 2018 13:58:41 GMT https://community.nxp.com/t5/NFC/RC522-RFID-reader-and-arduino/m-p/736230#M3101 jarmiljiricek 2018-01-19T13:58:41Z Re: RC522 RFID reader and arduino https://community.nxp.com/t5/NFC/RC522-RFID-reader-and-arduino/m-p/736231#M3102 <HTML><HEAD></HEAD><BODY><P>Hello Jarmil,</P><P></P><P>This question was already answered via case.</P><P></P><P>Regards,</P><P>Ivan.</P></BODY></HTML> Wed, 24 Jan 2018 17:39:34 GMT https://community.nxp.com/t5/NFC/RC522-RFID-reader-and-arduino/m-p/736231#M3102 IvanRuiz 2018-01-24T17:39:34Z