RS232 to TTL Serial Port Converter Adapter Communication Module

This RS232 to TTL Serial Port Converter Adapter enables reliable communication between devices operating at RS232 voltage levels (like computers) and TTL logic level devices (microcontrollers such as Arduino, STM32, PIC, Atmel, Raspberry Pi, and others). Utilizing the MAX3232 transceiver IC, the module effortlessly converts signals from RS232 to TTL and vice versa, ensuring stable, high-speed, bidirectional data transmission.

The compact design of RS232 to TTL converter features a standard DB9 connector for serial RS232 input and breakout header pins for easy TTL interfacing with development boards or breadboards—perfect for both industrial and hobbyist projects.

Features:

• Converts RS232 signals to TTL (5V/3.3V) logic levels using MAX3232 IC
• Operates at wide voltage: 3.0V to 5.5V DC
• Compact, pre-assembled board with DB9 connector and header pins
• Supports baud rates up to 120~250 Kbps for high-speed communication
• Bidirectional support: Full duplex communication
• Low power (typically 6–10 mA current draw)
• Compatible with most UART-interfaced microcontrollers

Specifications:

• IC Chip: MAX3232
• RS232 Connector: DB9 Female
• Input Voltage: 3.0V – 5.5V
• TTL Levels: 0V (Low), 3.3V/5V (High)
• RS232 Levels: +12V to -12V
• Baud Rate: Up to 120–250 kbps
• Communication: Full Duplex (RXD & TXD)
• Operating Current: 6–10 mA (typical)
• Dimensions: Approx. 44 x 31 x 12 mm
• Weight: ~10-15g

Application:

• Microcontroller-to-PC UART interface projects
• Programming and debugging with Arduino, STM32, NXP, PIC, Renesas, Atmel MCUs
• Robotics and embedded system projects
• Equipment upgrades (DVD, router, set-top box, GPS, hard disk mods)
• Industrial automation, machine interfacing, GPS tracking modules, and radio communication mods

Package Includes:

• 1 x RS232 to TTL Serial Port Converter Adapter Communication Module(MAX3232, DB9 Female)
• 1 x Set of header pins for breadboard/microcontroller interfacing