This is an application I created in Visual BASIC 2005 Express which allows a Parallax RFID Reader Module (#28140 or #28340) connected to a PC to read and display tag data.
(https://savagecircuits.com/wp-content/uploads/2007/05/RFID_Reader_Software_for_Windows_03.jpg)
CLICK HERE TO GO TO THIS PROJECT ON THE SAVAGE///CIRCUITS WEBSITE (https://savagecircuits.com/rfid-reader-software-for-windows/)