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How to convert USB into COM port
Need to switch lines

1, install the driver of USB to serial cable matching on the computer;

2. Set the serial number after USB conversion on the computer. The operation is as follows:

My computer-control panel-system-hardware-device manager-port (com&; LPT) bafo USB to serial com port (comn) n = 1, 2, 3, 4, 5...- click properties-port settings-advanced (a)-COM port number (p): comn is changed to COM 1 or com2-OK-

3. Run communication software for data transmission.