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Fault status reporting
Magnetic field Detection
which causes a positive differential change between the two halves
LM393 based design
Support TF card
NFC RFID Sticker Advanced Flame Sensor Fault status reportingIntroduction : These stickers can be read from and written to using the RC522 RFID Reader and a microcontroller like an Arduino. These can be read by almost any 13. 56MHz RFID NFC reader, but make sure it can handle ISO IEC 14443 Type A cards (the standard NTAG uses) as there are a few other encoding standards. Often used for train bus passes, information sharing, contactless payment, but also found in other systems where a proximity card is desired.
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