SparkFun FT231X Breakout

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

Easy-to-use USB-to-Serial adapter based on the CH340G IC from WCH; works with 5V and 3.3V systems and should auto install on most operating systems without the need for additional drivers; uses the CH340G IC to quickly and easily convert serial signals to USB. DEV-14050

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

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.

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

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

USB-UART converter based on the CP2102N chip. Compatible with a voltage of 3.3 V, it has been equipped with a USB type C connector. Adafruit 5335

USB TO UART solution with USB Type A connector

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

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

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

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

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

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

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

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