Shared Experience. Manage fidelity card with RFID card

[JTRTech]

To share my experience;

RetailPOS: Barcode Details

I just got them off ebay, was something like £12 for 20 or something like that. They are the little round blue disc ones like some apartment blocks use for keys… They come programmed with a serial number - maybe 12 didgets long which just becomes the PIN number. The readers were cheap and didn’t have a setting application but worked straight out the box with a <cr> suffix I have seen a MSR reader and RFID reader&writer from china for about £30 which I will try and get next time. As I unders…