RFID or NFC card number reader app

[Ramon]

RFID reading using MIT app and esp32 wroom

A search of the community provides these RFID bluetooth discussions that might help you Krishna https://community.appinventor.mit.edu/search?q=rfid%20bluetooth

For NFC you have a NearField component. Other topics related to NFC:
Search results for 'nfc' - MIT App Inventor Community