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Amazon.com: Cable Matters USB C to Serial Adapter Cable (USB-C to Serial, USB C to DB9, USB C to RS232) 3 ft - Thunderbolt 4 / USB4 / Thunderbolt 3 Port Compatible
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USB Type C to DB-9 Adapter Cable - 1.5m long : ID 5446 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: StarTech.com USB C to Serial Adapter Cable 16" (40cm) - USB Type C to RS232 (DB9) Converter Cable - USB-C Serial Cable for PLCs, Scanners, Printers - Male/Male - Windows/Mac/Linux (ICUSB232C) :
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USB C to HDMI Adapter Converter Dongle - USB-C Display Adapters | Display & Video Adapters | StarTech.com
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Pololu - New products: CP2102N serial adapter and another USB Type-C breakout. Should we do more with USB-C?
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C2G USB C to DB9 Serial Adapter Cable - USB C 2.0 - M/M - USB / serial cable - DB-9 to USB-C | Dell USA
StarTech.com USB C to Serial Adapter Cable 16in - COM Retention - USB Type-C to RS232 DB9 Converter - ICUSB232PROC - Serial Cables - CDW.com
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