DEBO USB2UART 1: Developer boards - USB type-A to UART, PL2303 at reichelt elektronik
CP2104 USB to Serial Converter Arduino Programmer | Makerfabs
Amazon.com: Feanteek FTDI USB to TTL Converter Built-in FT232RL Uart USB TTL Serial, DIY USB TTL Adapter for Programming Arduino Nano Raspberry Pi : Electronics
USB UART 5 Click
ESP8266 ESP-01 USB Serial Programmer with CH340 (Fix Programming Issue) - Maker Advisor
USBPRGv8.4 Isolated USB-Serial Programmer Adapter from NextEVO on Tindie
USB-UART CH340C converter board
Programmer - USB to serial UART - Shop | OpenEnergyMonitor
CP2102 USB to TTL USB UART serial port converter module +ARDUINO PROGRAMMER : Amazon.in: Computers & Accessories
ESP-01 ESP8266 USB serial Programmer
FTDI Serial Adapter FT232RL FT232 TTL 5V 3.3V USB UART Programmer for ESP8266 | eBay
Open-smart Cp2102 Usb To Ttl Serial Adapter Module Usb To Uart Converter Debugger Programmer For Lilypad For Arduino - Industrial Computer & Accessories - AliExpress
Amazon.com: Geekstory CP2102 6 in 1 USB-UART Serial Adapter Module USB to TTL 485 232,TTL to 232 485,RS232 to 485 + 4P Dupont Cable Jumper Wire Female to Female, for Windows, Linux,
USB to UART serial bridges
DEBO USB2UART 2: Developer boards - USB type-A to UART, CP2102 at reichelt elektronik
CP2102 USB UART Board (type A) CP2102 USB to UART Module, USB type A connector