For starters, you need a pre-wired NFC RFID module as the key hardware. NFC and RFID projects have become a huge trend, but many modules are pricey for electronics hobbyists and need a complex setup.

🪪 Leitor de Cartão RFID com PN532 — Arduino Este projeto utiliza um módulo de leitura RFID PN532 para identificar cartões ou tags RFID/NFC e exibir o código lido através do Serial Monitor. Ideal para ...

NFC Reading: Reads NFC tags using the Adafruit PN532 NFC module. WiFi Connectivity: Connects to a WiFi network using the WiFiNINA library. Server Communication: Sends and receives JSON data to/from a ...