USB to TTL Serial Cable - Debug / Console Cable for Raspberry Pi : ID 954 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: USB to TTL Serial Cable : Electronics
FT232RL USB to TTL Serial Interface Adapter - ProtoSupplies
1PCS USB to TTL UART Module CH340G CH340 3.3V 5V Serial Converter Switch Instead of CP2102 PL2303|usb to ttl|usb tousb to ttl uart - AliExpress
6 Pin USB 2.0 to TTL UART Module Serial Converter CH340G Module STC 5V – eElectronicParts
Amazon.com: WITMOTION USB-UART 6-in-1 USB to Serial Converter, Multifunctional (USB to TTL/RS485/232, TTL-RS232/485, 232 to 485), Universal Adapter Module with CP2102 Compatible with Windows 7/8/10,Linux, Arduino : Electronics
Amazon.com: NEXTION CP2102 6 in 1 USB to TTL Serial Adapter Module USB to TTL 485 232,TTL to 232 485,RS232 to 485 + 4P Dupont Cable Jumper Wire Female to Female Display
5pcs CP2102 USB to TTL Serial Adapter Module USB to UART Converter Debugger Programmer for Pro Mini OPEN-SMART for Arduino - products that work with official for Arduino boards
USB Type-C Male OTG to TTL Serial Bridge Board - ElectroDragon
FT232 USB TO TTL ADAPTOR 3.3/5 V - Whadda
TTL-232R-3V3 - Ftdi - Cable, USB to TTL Level, Serial Converter
USB-TTL Programmer from Sixty Four Pixels on Tindie
TTL-232R-5V-PCB - Ftdi - USB Interface, Custom Application Design, FT232R
TTL-232R-5V - FTDI
USB to RS232 Isolated TTL | CMOS Adapter Cable with TB