USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
USB-A to Serial Adapter Cable - RS232, DB9, 5-ft. | Eaton
8-Port USB to RS-232 Serial Adapter Hub
USB-RS232-PCBA FTDI | Mouser
Amazon.com: DTech USB to Serial Adapter, RS422 RS485 R232 to USB Cable (3 in 1 Interface) Supports DC 5V with Breakout Board LED Lights for Multi-Kind Control Devices Windows 11 10 8