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Amazon.com: EC Buying USB 2.0 to Serial 9-Pin RS232 Serial Adapter, DB-9 USB to Serial RS232 Converter Cable, USB 9-Pin Serial Cable, Serial to USB Adapter Support Windows 7/8/10/11/32/64/XP/RS232 to USB :
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I brought this board from Amazon.It blinks when I plug into my laptop.But I couldn't work with it. It shows as "USB 2.0-Ser!" in the device manager. And I couldn't update drivers
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USB to DB9 M Serial cable adapter 6Ft. [USB-SER-06] - $10.00 : Cell Phone Accessories and Computer Components San Diego
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PL-USB2-BLASTER | PL-USB2-BLASTER Programmer Accessories USB 2.0 Prog Cable FPGA CPLD Ser Conf - IC CHIP CO., LIMITED
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