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escape_gallery_obsidian_vault/Notes/Electronics/NFC.md
John Lyon-Smith ecb462a16b vault backup: 2026-07-11 16:59:05
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NFC is different from RFID. It’s way for two devices to communicate when in close proximity. NFC readers can also read RFID cards.
- [PN532 NFC/RFID card](https://www.adafruit.com/product/364)
- [GitHub - adafruit/Adafruit-PN532: Arduino library for SPI and I2C access to the PN532 RFID/Near Field Communication chip](https://github.com/adafruit/Adafruit-PN532/tree/master)
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