PL2303 USB UART Board (type A) V2 - USB-UART PL2303 converter with USB type A connector

A module with a USB converter - GPIO/ADC/I2C based on the MCP2221A chip. It allows you to connect sensors, displays or PWM drivers to the computer via a 2.54 mm or Stemma QT/Qwiic connector. Adafruit 4471

Isolated USB to RS232 converter designed for industrial applications. It offers 4 channels for serial communication compliant with the RS232 standard. It provides easy communication between the USB interface and the industrial serial communication standard. Waveshare USB TO 4CH RS232 (F)

Converter dedicated to industrial applications. It provides communication between the USB interface and the RS232 and RS485 serial standard

USB TO UART solution with USB micro connector. Waveshare 11315 

CP2102 USB to UART Module, USB micro connector

KAmod RS232H-mini is a miniature RS232 to TTL converter, operating in the voltage range of 3-5.5 V, supporting all RS232 signals, with a male DB9 connector, 2.54 mm goldpin pins, based on the MAX3243/SP3243 system, offering ESD protection up to 15 kV and a signal conversion direction corresponding to a DTE/Host device

USB - UART TTL converter based on the FT232RL chip, the module is equipped with a miniUSB socket. Works with 3.3V or 5V voltage levels.

USB-TTL converter with CP2102N chip, which enables stable serial communication between computer and TTL devices, supporting baud rates up to 3 Mbps. The module operates at 3.3 V by default, tolerant of 5 V on inputs, and its compact size and standard 2.54 mm pitch make it easy to integrate into projects. Pololu 1317

KAmod RS232S-mini is a miniature RS232 to TTL converter with a female DB9 connector, 2.54 mm goldpin pins, operating at 3-5.5 V, supporting all RS232 signals, based on the MAX3238/SP3238 chip, offering ESD protection up to 15 kV and corresponding to a DCE/Modem device

Xbee USB adapter based on the FTDI chip. Intended for configuring Xbee modules. Thanks to the female goldpin connector, it can be used as an FTDI programmer for Arduino FIO / pro / mini / lilypad. DFRobot DFR0050

USB - UART converter based on the CH9102F chip. Compatible with the voltage of 3.3 V and 5 V, it has been equipped with a USB type C connector. Adafruit 5568

Converter dedicated to industrial applications. It provides communication between the USB interface and the RS232/RS485 serial standard

USB-UART converter with four isolated UART ports with built-in isolation of 1.5kV/3kV. It guarantees data transmission speeds of up to 12 Mbps and the ability to work with 1.8 V or 3.3 V voltage systems on the UART side. It is equipped with a USB Type C connector and is capable of operating in a wide temperature range from -40°C to +55°C. Electronic Prototypes EPED001A-10-STD

USB - UART converter based on the FT232RL chip. Compatible with voltages of 3.3 V and 5 V, it is equipped with a microUSB connector. Cytron UC00A