13.56MHz RFID/NFC Clear Tag - NTAG203 Chip : ID 5458 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
13.56MHz RFID/NFC tag assortment - Classic 1K : ID 365 : $10.00 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com : 50 PCS NFC Tags NTAG215 NFC Round Cards, 25mm (1 inch) 504 Bytes Memory Blank PVC Coin NFC Cards, Compatible with TagMo Amiibo and All NFC Enabled Mobile Phones &
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cuplTag battery-powered NFC tag logs temperature and humidity (Crowdfunding) - CNX Software
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How to make NFC automations to use with your iPhone | AppleInsider
NFC Sticker Tag for iPhone iPad & Android Built-In RFID - 18mm Square – Serialio.com