SparkFun USB UART Serial Breakout - CY7C65213

The base plate is dedicated to ESP32 CAM modules. It allows you to connect the camera via a USB interface, e.g. to a computer. ESP32-CAM-MB

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.

UART-RS232 converter module. It enables communication of Arduino boards with industrial modules. DFRobot DFR0258

The cable is easiest way ever to connect to your microcontroller/Raspberry Pi/WiFi router serial console port. The power pin provides the 5V @ 500mA direct from the USB port and the RX/TX pins are 3.3V level for interfacing with the most common 3.3V logic level chipsets. Adafruit 954

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

Isolated USB - RS232/RS485/RS422/TTL converter dedicated to industrial applications. It offers 4 channels for serial communication, including TTL channel, TTL/RS485, isolated RS485/422 channel and isolated RS232/485 channel. Provides easy communication between the USB interface and serial communication standards. Waveshare USB TO 4CH Serial Converter

This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 5V Arduino boards. It can also be used for general serial applications. DEV-09716

USB - RS232 adapter equipped with a USB type A connector and an RS232 connector in the DB9 female standard. It uses the original FTDI FT232RL chip, which guarantees a reliable connection between a variety of devices. Waveshare USB-TO-RS232-Female-Cable

USB - UART converter based on the PL2303GS chip. Compatible with 1.8 V, 2.5 V, 3.3 V and 5 V, it is equipped with a mini USB connector. Waveshare PL2303 USB UART Board (mini) V2

UART converter - USB based on the FT232RL system with TX, RX, RTS and CTS lines led out to the goldpin female connector. It uses a mini USB connector. Adafruit 284

Isolated USB - RS232/RS485 converter designed for industrial applications. It offers 4 channels for serial communication, including two RS232 and two RS232/RS485 channels. Provides easy communication between the USB interface and major serial communication standards. Waveshare USB TO 4CH RS232/485

FTDI basic breakout Arduino USB-TTL ASP, RoHS

Isolated USB - RS232/RS485/RS422/TTL converter for industrial applications. Provides easy communication between the USB interface and the RS232, RS485, RS422 and TTL standards. Waveshare USB TO RS232/485/422/TTL

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)

USB - UART converter based on the PL2303TA chip. Compatible with voltages of 3.3 V and 5 V, it has been equipped with a miniUSB connector. Waveshare PL2303 USB UART Board (mini) V2