SparkFun Serial Basic Breakout - CH340G

UART-RS232 converter module. The board was equipped with a Grove and DB9 connector. Seeed Studio 103020192

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

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

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

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

USB TO RS232/485 (C) is a versatile signal converter based on the reliable FT232RNL chip, enabling stable serial communication via a USB port. With support for both RS232 and RS485 and broad system compatibility, it is suitable for testing industrial devices, programming microcontrollers, and integration with computers in various hardware environments.

The Adafruit CH9328 UART to HID Keyboard Breakout allows for easy and fast emulation of a HID keyboard without the need for a microcontroller with native USB. The module is used in prototyping projects, automation, integration with single-board computers and in testing devices where keyboard signals are required. Thanks to support for various transmission modes and simplicity of integration, it is a practical tool for electronics engineers and embedded system programmers. Adafruit 5973

USB-TTL converter with USB type A, micro USB and USB type C connectors. Enables communication between the UART serial interface and the USB interface. SB Components 24780

Cable with USB-UART converter dedicated to TFmini and TFmini Plus distance sensors. Ended with a USB type A plug and goldpin connectors. Benewake USB-Dupon

DEV-11814 - USB-to-Serial Bridge - µUSB-PA5, RoHS

RS232 - UART converter module based on the MAX3232 chip. There is a DB9 connector on the board and a 4-pin connector with a 2.54 mm pitch

USB - UART converter based on the FT232RNL chip. Compatible with voltages of 3.3 V and 5 V, it has been equipped with a miniUSB connector. Waveshare FT232 USB UART Board (mini)

USBRS232 interface with galvanic isolation

USB-TO-TTL-FT232 is a reliable USB-to-UART converter designed for applications requiring a compact module with safe and fast serial communication. It is well-suited for microcontroller programming, UART port diagnostics, and powering devices in embedded systems. With high system compatibility and full logic-level isolation, it is an ideal tool for electronics designers and system integrators.

The module allows you to send UART (TTL) bus signals to a computer via a USB port. The adapter operates based on the PL2303HX chip and is recognized in the computer as a virtual serial port