The pen bag can be used to hold pens or other small stationery,
which is more convenient to carry than Pencil Case, more comfortable to handle,
and easy to clean. It can pack as many things as possible in the smallest
space, which is very popular among students and office workers. , can also be
used as a Storage Bag, is a multi-purpose storage supplies.
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There are 3 steps.
1. Connect the card reader to the computer via the RS232 interface. In the device manager, find the relevant COM port.
2. Modify the baud rate of the COM port (as shown in the figure below).
3. Change the baud rate of the client application.
How to modify the baud rate of the RS232 interface magnetic card reader:
May 27, 2021