Micro NFC/RFID Transponder - NTAG203 13.56MHz

This extremely small micro NFC/RFID tag features an NTAG203 chip and an antenna. It's incredibly tiny and flexible, perfect for DIYing RFID or NFC devices like rings, wearables, or other small gadgets with near - field communication. It has 144 bytes of read - write accessible memory. You can pair it with our PN532 - based RFID reader breakouts and shields, and it works with all the latest NFC - enabled cellphones or tablets. Since the antenna is small, place the tag close to the reading device. It can be used for cellphone control, such as commands, opening URLs, and unlocking. Explore more RFID/NFC products and projects on the Adafruit Learning System.

Using this NTAG203 micro NFC/RFID transponder is easy. First, if you want to DIY a device like a ring or a wearable, you can integrate the tag into your design. When using it with our PN532 - based RFID reader breakouts and shields, just connect them properly. For NFC - enabled cellphones or tablets, since the antenna on the tag is small, make sure to put the tag right next to the device you're using to read it. You can program it to perform tasks like opening URLs or unlocking your phone. As for maintenance, keep it away from extreme temperatures and moisture. Don't bend it too hard as it may damage the internal chip and antenna. With proper care, this tag will serve you well for a long time.