FT232 USB UART Board (mini) FT232RL USB TO UART Converter with USB Mini Connector Supports Mac Linux Android Windows 7/8/8.1/10|mini linux board|usb tousb to uart - AliExpress
CP2102 USB 2.0 to TTL UART Module 6Pin Serial Converter STC Replace FT232 Module | eBay
WITMOTION USB-UART Converter 3-in-1 Multifunctional(USB to TTL/ USB to RS232/ USB to RS485) 3.3-5V Serial Adapter, with CH340 chip Compatible with Windows 7,8,Linux,Arduino for Development Projects: Amazon.co.uk: Computers & Accessories
CP2102 USB UART Board (mini) CP2102 USB to UART Module, USB mini connector
USB to TTL Converter USB to UART Module 5V/3.3V/1.8V FT232RL Code Programmer Downloader - USB to TTL Module - Arduino, Robotics, Raspberry Pi, ESP8266, Learning DIY, Development board ICStation
USB UART/I2C converter MCP2221 - USB plug - SB Components SKU21246 Botland - Robotic Shop
3.3 V 5 V USB to TTL Converter CH340G UART Serial adapter module Golden : Amazon.co.uk: Electronics & Photo
USB to UART serial bridges
USB-RS232-PCBA Ftdi, USB Module, USB to RS232 UART Serial Converter, PCB | Farnell UK