SparkFun USB UART Serial Breakout - CY7C65213

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

The KAmodRS module is a reliable RS232-UART converter supporting voltages from 3 V to 5.5 V and enabling data transmission at a speed of up to 250 kbit/s. Thanks to the use of the MAX3232 chip, the module is ideal for a wide range of electronic and microcontroller applications requiring stable and effective serial communication

A small USB-UART TTL converter module based on the CH340 system with a USB type A connector. Designed for the ESP-01 and ESP-01S modules

Industrial grade USB-UART TTL converter. Equipped with a number of security features ensuring stable and safe communication. Waveshare USB TO TTL (B)

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

Versatile USB protocol converter, offering four channels (RS485, RS232, two TTL) and 12V, 5V and 3.3V power supply, ideal for IoT and industrial applications. Compatible with Windows, Linux, LattePanda and Raspberry Pi, no drivers required, and optional installation allows easy device management. DFRobot TEL0185

CP2102 USB to UART Module, USB micro connector

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

Overlay module for Raspberry Pi with GSM, GPRS, GNSS and Bluetooth

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

The module with the UART-RS232 converter is designed to work with the Raspberry Pi Pico. It has a built-in SP3232EEN chip and enables data transmission between the UART interface and the RS232 device. Waveshare Pico-2CH-RS232

USB - UART converter based on the PL2303 chip

The module with the converter USB-UART CP2104 dedicated for minicomputers Raspberry Pi. Adafruit 3589

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