I am attempting to detect 134.2kHz RFID tags using a chip from Priority 1 Design, specifically this one
I am attempting to connect this to an arduino Uno, but I am not really sure where to start. There appear to be some instructions here on how to read and write data to an RS232 interface RS232 interface, however I was wondering if I need to do this? There are tx and rx pins on the board as well, but I don't seem to be able to find any details on what kind of output those pins produce? Do I need to communicate to these additional ports using RS232?