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Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Electronics
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USB Type A to Type C Cable - approx 1 meter / 3 ft long : ID 4474 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
StarTech USB C to Serial Adapter, with COM Port Retention, USB C to DB9 Cable or RS232 Cable (ICUSB232PROC) | Staples
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