NTAG 213 NFC counter example

The NTAG 213 is a common NFC tag used in cards, stickers and labels. With TagTally you can use it as an NFC counter, storing the value directly in NDEF.

Why NTAG 213 for counters

• Widely available and inexpensive.
• Enough memory to store a counter and basic metadata.
• Compatible with most NFC-enabled phones.

Using NTAG 213 with TagTally

1. Place the NTAG 213 tag near your phone.
2. Open the TagTally app.
3. Initialize the tag with a starting counter.
4. Each tap lets you read and update the counter value stored in the NDEF record.

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Keywords: NTAG 213 counter, NFC counter NTAG, NDEF NTAG 213.

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