# Programmable NFC Card ## What is a Programmable NFC Card? A **programmable NFC card** is a versatile, thin card embedded with an NFC (Near Field Communication) chip and antenna. Unlike standard NFC tags, these cards are designed to be rewritten multiple times, allowing users to program and reprogram the data stored on them using an NFC-enabled smartphone or a dedicated writer. Common applications include sharing contact information, automating smartphone tasks, launching websites, and even acting as a digital business card or access token. ## My Experience with Programmable NFC Cards I first used a **programmable NFC card** several years ago to simplify my morning routine. I programmed one to toggle my phone's "Do Not Disturb" mode and launch my news app when tapped. The convenience was immediate. Later, I discovered a personal knack for creating complex automation sequences—a skill I didn't know I had. I began crafting multi-action cards for friends, like one that simultaneously connected to Wi-Fi, opened a restaurant's menu, and displayed a loyalty barcode. My view is that these cards are a bridge between the physical and digital worlds, and their potential is limited only by creativity. ## Entertainment and Practical Applications The entertainment uses for a **programmable NFC card** are fantastic. I've embedded them in board games to reveal digital clues or play sound effects. At a party, I placed cards around the room that, when scanned with a phone, would play themed music or display fun facts. For a scavenger hunt, each card contained a piece of a digital puzzle. ## TIANJUN Programmable NFC Card Solutions TIANJUN offers a robust line of **programmable NFC cards** suitable for both personal and enterprise use. Our cards are known for their high rewrite cycles and reliable performance. ### Technical Specifications & Detailed Parameters * **Chip Type:** NXP NTAG216 * **Chip Code:** NT3H2111W0FHKH * **Memory:** 888 bytes user memory * **Operating Frequency:** 13.56 MHz * **Read Range:** Up to 5 cm (depending on reader) *