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Keyestudio RC522 RFID Module for Arduino - Black
MF522-AN module adopts Philips MFRC522 original reader circuit chip design£¬ easy to use£¬ low cost£¬ suitable for equipment development£¬ development of advanced applications such reader users£¬ the need for RF card terminal design / production of the user. This module can be loaded directly into a variety of readers molds. Module uses voltage of 3.3V£¬ through the SPI interface simple few lines can be directly connected to the user any CPU board communication module can guarantee stable and reliable work£¬ reader distance.