Adafruit - 954 for Raspberry Pi

KAmod RS232H-ALL is a RS232 to TTL signal converter, supporting all RS232 interface signals, based on the MAX3243/SP3243 system, with a TTL side voltage of 3-5.5 V, a maximum transmission speed of 250 kbps, ESD protection up to 15kV HBM, a standard DB9 connector, a Phoenix MC 3.81 connector and 2.54 mm goldpin pins, with a board size of 65x30 mm (72x30 mm with a DB9 connector

USB - UART converter based on the FT232RL chip. Compatible with voltages of 3.3 V and 5 V, has been equipped with a USB type C connector. Waveshare FT232 USB UART Board (Type C)

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

KAmod RS232S-ALL is a 3-5.5V RS232 to TTL converter supporting all RS232 signals, offering standard DB9 and Phoenix MC 3.81 connectors and 2.54mm goldpins, based on the MAX3238/SP3238 and providing ESD protection up to 15kV

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-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

The KAmod USB HID module with the CH9350 chip enables reliable extension of USB HID signals via UART transmission, offering stable connections over long distances. With built-in protection features, advanced LED indicators, and full system compatibility, the device is ideal for industrial applications, embedded systems, and advanced control setups using standard HID devices.

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

USB - RS-232 USB A (m) / D-Sub (m) cable with a length of 1 m. Akyga AK-CO-02

FTDI basic breakout Arduino USB-TTL ASP, RoHS

Converter dedicated to industrial applications. It provides communication between the USB interface and the RS422 and RS485 serial standard

KAmod USB-UART-mini is a compact USB-C to UART converter, based on the FT230XS chip, enabling communication at speeds from 300 bps to 3 Mbps and providing the option of mounting using an additional front panel; includes LED indicators, supports signal voltages of 3.3 V, optionally 5 V, and offers support for Windows, Linux and Mac

USBRS232 interface with galvanic isolation

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 micro USB connector. Waveshare PL2303 USB UART Board (micro) V2

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