I realize this might not be the best setup, but humor me, is it possible to connect multiple USB Credit Card Readers to a single PC? Have anyone tried this before? How do you differentiate the data between the different readers?
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I realize this might not be the best setup, but humor me, is it possible to connect multiple USB Credit Card Readers to a single PC? Have anyone tried this before? How do you differentiate the data between the different readers?
USB MSRs (magnetic stripe readers) are often set up as “HID” devices, which means that input looks just like it’s coming in over the keyboard. If you need to have multiple, you want USB MSRs that have drivers that do other things.
A common solution is to have drivers that make the input come in on a virtual serial port, selected at driver install time, one port per device. So, if you do that, you would differentiate by listening on two different COM ports.