30cm DB9 RS232 to DuPont Serial Cable 2.0mm 2.54mm 9-Pin

$12.67 $17.15

30cm RS232 DB9 to DuPont Serial Extension Cable

Connect your RS232 serial devices to microcontroller projects with ease using this versatile 30cm COM extension line. Compatible with both DuPont 2.0mm and DuPont 2.54mm pitch connectors, this DB9 to DuPont 9-pin serial cable is ideal for electronics hobbyists, engineers, and developers who need a reliable serial communication link between a PC COM port and breadboard or development board setups.

Key Features

Universal Compatibility: DB9 female RS232 connector on one end, DuPont pin headers on the other — works with Arduino, Raspberry Pi, and other development platforms
Dual Pitch Support: Available in DuPont 2.0mm and DuPont 2.54mm pin spacing to fit a wide range of boards and headers
9-Pin Serial Interface: Full 9-pin RS232 wiring for complete serial communication including data, handshaking, and control signals
30cm Length: Flexible, manageable cable length ideal for bench-top and prototyping use
No Assembly Required: Ready to use straight out of the package — just plug and connect
Durable Construction: Quality wiring and connector housing built to handle repeated connections and disconnections

Specifications

Cable Length: 30cm
Connector Type: DB9 (RS232) to DuPont Pin Headers
Pin Count: 9-pin
Pitch Options: 2.0mm / 2.54mm DuPont
Interface: RS232 / COM Serial
Assembly Required: No
Country of Origin: Made in Mainland China

Ideal For

Connecting RS232 COM ports to microcontroller development boards
Arduino, Raspberry Pi, and similar prototyping platforms
Serial debugging and communication testing
Electronics lab and DIY electronics projects

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Frequently Asked Questions

Q: What is the DB9 to DuPont RS232 serial cable used for?

A: This RS232 DB9 to DuPont 9-pin serial extension cable is used to connect a PC or device COM port (DB9 RS232 interface) to microcontroller development boards or breadboards that use DuPont 2.0mm or 2.54mm pin headers, making it perfect for serial communication in prototyping and electronics projects.

Q: What is the difference between the 2.0mm and 2.54mm DuPont pitch options?

A: The pitch refers to the spacing between the DuPont pin connectors. 2.54mm (0.1 inch) is the most common spacing used on standard breadboards and many development boards. 2.0mm is a slightly smaller pitch used on some compact boards and specific connectors. Make sure to select the pitch that matches your board or connector before ordering.

Q: Is this cable compatible with Arduino or Raspberry Pi?

A: Yes, this DB9 RS232 to DuPont serial cable is compatible with Arduino, Raspberry Pi, and most development boards that feature DuPont-style GPIO or serial header pins. It allows you to route RS232 COM port signals directly to your development board for serial communication and debugging.

Q: Does this cable require any additional setup or drivers?

A: No assembly is required — the cable is ready to use right out of the box. For RS232 serial communication, your operating system or development environment may require configuration of the COM port settings (baud rate, data bits, etc.), but no special drivers are needed for the cable itself.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.