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Amazon.com: WITMOTION USB to RS232 UART Converter Cable with CH340 Chip, Terminated by 4 Way Female Socket Header, Serial Adapter (1m/3.28ft, Black), Windows 10,8,7, Linux MAC OS : Electronics
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Serial to USB Cable (CH340) - New Driver Not Functioning with C# Application - "A device attached to the system is not functioning" - Stack Overflow
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New CH340 USB to RS232 serial port 9 Pin DB9 Serial Cable COM Port Adapter Converter Drop Shipping - AliExpress
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