RS232 to TTL Serial Interface Module – MAX3232 Chip – DB9 Connector

RS232 to TTL Serial Interface Module – MAX3232 Chip – DB9 Connector

The RS232 to TTL Serial Interface Module is based on the MAX3232 transceiver IC, allowing seamless communication between RS232-level devices (like computers) and TTL-level devices (like microcontrollers). This compact, reliable module is ideal for embedded development, programming, flashing, and serial communication projects.

Equipped with a DB9 connector and 4-pin header, it’s perfect for interfacing legacy RS232 ports with modern 3.3V/5V logic devices. Whether you're working with microcontrollers, routers, set-top boxes, or GPS modules, this board ensures fast and safe signal level conversion.

🔹 Features:

• Based on MAX3232 transceiver IC

• Converts RS232 voltage levels to TTL and vice versa

• Supports 3.3V to 5.5V logic level operation

• DB9 connector on one end, 4-pin header on the other

• Compact pre-assembled PCB, easy to integrate

• Supports communication speeds up to 250 kbit/s

• Ideal for flashing, upgrading, and serial interfacing projects

• Compatible with STC, NXP, Renesas, STM32, and many other MCUs

📊 Specifications:

⚙️ Applications:

• Serial communication with microcontrollers

• Flashing or upgrading routers, set-top boxes, and hard drives

• STC/NXP/Renesas/STM32 MCU programming

• RS232 serial port conversion

• Debugging, diagnostics, and embedded interfacing

• GPS and vehicle system development

📦 Package Includes:

• 1 × RS232 to TTL Serial Interface Module (MAX3232 Based)

📄 Useful Link:

• MAX3232 Datasheet 

🖼️ Note:

Product images are for illustrative purposes only and may differ slightly from the actual product.