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RC522 RFID reader and arduino

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RC522 RFID reader and arduino

‎01-19-2018 06:58 AM
1,313 Views
jarmiljiricek
Contributor I

Hello
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?

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‎01-24-2018 10:39 AM
961 Views
IvanRuiz
NXP Employee
NXP Employee

Hello Jarmil,

This question was already answered via case.

Regards,

Ivan.

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