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
CH340 USB to TTL Converter UART Module CH340G (3.3 V/5.5 V) | Elektor
USB-TTL UART Serial Adapter CP2102 5V 3.3V USB-A RobotDyn for Arduino - products that work with official Arduino boards
FT232RL USB to TTL Serial Interface Adapter - ProtoSupplies
TTL-232R-3V3 - Ftdi - Cable, USB to TTL Level, Serial Converter
FTDI Serial TTL-232 USB Type C Cable - 3V Power and Logic : ID 4331 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
USB to TTL Serial Cable - Debug / Console Cable for Raspberry Pi : ID 954 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
DEBO USB TTL: Raspberry Pi USB TTL Interface Converter, CH340G at reichelt elektronik
PL2303TA USB to TTL RS232 COM UART Module Serial Cable Adapter for Arduino | eBay
954 - Adafruit - USB to TTL Serial Cable, 36", For Microcontroller/Raspberry Pi/WiFi Router
Adafruit Industries USB to TTL Serial Cable - Micro Center
FTDI TTL-23X-5V USB to TC2030 Debug Cable | Tag-Connect
CP2102 USB 2.0 to TTL UART Module 6Pin Serial Converter STC Replace FT232 Adapter Module 3.3V/5V Power - ASK Electronics
NEW PL2303TA USB TTL to RS232 Converter Serial Cable module | eBay
Usb To Ttl Cable Usb To Ttl Adapter Pl2303ta Usb To Ttl Converter Rs232 Module Cable PL2303TA USB To TTL RS232 Module Converter Serial Cable Adapter For Win XP/VISTA/ 7/8/8.1 - Walmart.com