nfc-tag-android

Android phones use NFC (Near Field Communication) to read/write small data payloads on tags within ~4 cm, usually by tapping the back of the phone near the camera.

class NFCTag: def init(self): self.data = b''

def write(self, data):
    """Write binary data to the simulated NFC tag"""
    if isinstance(data, str):
        data = data.encode('utf-8')
    self.data = data
    print(f"✅ Write successful | Data length: {len(data)} bytes")

def read(self):
    """Read binary data from the simulated NFC tag"""
    print(f"📖 Reading data | Data length: {len(self.data)} bytes")
    return self.data

Example usage

if name == "main": # Create virtual NFC tag virtual_tag = NFCTag()

# Write test data
virtual_tag.write("Hello NFC World!")

# Read and verify data
read_data = virtual_tag.read()
print("Read result:", read_data.decode('utf-8'))

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