XBee USB Adapter UART Communication Board Interface

XBee USB Adapter UART Communication Development Board Waveshare

FTDI Serial Adapter FT232RL FT232 TTL 5V 3.3V USB UART Programmer for ESP8266

6 Pin USB 2.0 to TTL UART Module Serial Converter CH340G Module STC 5V/3.3V

CH340G CH340 USB TTL Serial Adapter UART FTDI Router Upgrade ESP8266 Arduino

FTDI FT232RL USB-TTL Serial Adapter 3.3V/5V UART Programmer Arduino ESP32

2PCS CP2102 Serial Module USB to TTL Converter Adapter UART Downloader 3.3V/5V