RFID Module Kit (Mifare)

The round keychain tag paired with my Arduino Nano without any wiring headaches. SPI connection was straightforward and read the card data within seconds. Perfectly consistent every time I scanned.

Worked perfectly with my Arduino Uno right out of the box—the round key chain tag read instantly and the IC card was a nice bonus. The SPI wiring took me about ten minutes to set up, and it's been rock-solid for my access control project since.

The SPI interface made connecting it to my Arduino Nano a breeze, and both the card and key fob read cleanly from about 3 cm away. Perfect for a quick access control prototype.