2-Port Professional RS-232 USB 2.0 to Serial Adapter 5ft.

Gearmo 2 Port Professional USB 2.0 to Serial Converter FT2232D Chip with Power LED is a great solution when a limited number of serial ports are

Tera Grand - 6 FT USB 2.0 to RS232 Serial DB9 Cable with Thumbscrews

Tripp Lite U208-004-IND 4-Port USB to Serial Adapter Converter RS-422/RS-485

2-Port USB to RS-232 Serial Adapter Cable

Ftdi USB 2.0 to Serial Adapter Cable - 6FT, Male Thumbscrews, Ftdi

Buy Wholesale China Usb 2.0 To Serial (9-pin) Db-9 Rs-232 Adapter

EATON CORPORATION TRIPP LITE RS232 to USB Adapter Cable with COM

OLLGEN 1.5M 5ft OBD2 OBDII 16 Pin Male to DB9 Serial RS232 Female

The cable is easiest way ever to connect to your microcontroller/Raspberry Pi/WiFi router serial console port. Inside the big USB plug is a USB<->Serial conversion chip and at the end of the 36 cable are four wire - red power, black ground, white RX into USB port, and green TX out of the USB port. The power pin provides the 5V @ 500mA direct from the USB port and the RX/TX pins are 3.3V level for interfacing with the most common 3.3V logic level chipsets.

Adafruit Industries 954 USB-to-TTL Serial Cable Raspberry Pi 1 Piece

Rocstor 5ft Usb To Null Modem Rs232 Db9 F/m (Y10C225-B1) – Network

5ft (1.5m) USB to DB9 Male Serial RS232 Adapter Cable

USB-C to Serial Adapter, 3ft

Introduction: 3 foot Dual Port USB 2.0 to Serial Adapter FT2232D Chip with Power RX and TX LED This USB to Serial dual RS232 port converter cable utilizing the high performance FTDI CHIP easily adds 2 standard serial ports to your desktop, laptop or other mobile device. Serial outputs are automatically configured as additional COM ports. Compatible with most GPS and PDA devices (Garmin, Mallagan, Palm), modems, printers, scanners, digital cameras and office equipment.

GearMo 2 Port Professional USB to Serial Adapter with TX/RX LED and COM Retention

5' USB to RS-232 DB9 Serial Adapter Cable – Serialio.com