RC522 RFID Kit MFRC522 13.56 Mhz With S50 Tag/card Button Shield the IRQ line and the

the IRQ line and the I2C lines

Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)

Specifications

AC250V 10A DC30V 10A

Pro Mini 328 Mini ATMEGA328P 3

RC522 RFID Kit MFRC522 13.56 Mhz With S50 Tag/card Button Shield the IRQ line and the13. 56MHz RFID module RC522 RFID Reader Writer module with RFID TAG S50 Fudan Card Key SPI Read Write for Uno R3 Mega2560 The MF522 AN module adopts 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