RS232 to TTL DB9 MAX3232 Module

RS232 to TTL DB9 MAX3232 Module ste

RS232 to TTL DB9 MAX3232 Serial Port Converter Module is a reliable communication interface designed to convert RS232 voltage levels to TTL logic levels and vice versa. Built around the MAX3232 chip, this module enables seamless communication between microcontrollers such as Arduino, ESP32, STM32, Raspberry Pi Pico, and RS232-enabled devices like PCs, industrial equipment, GPS modules, and communication systems.

The module operates at both 3.3V and 5V logic levels, making it suitable for a wide range of embedded and IoT projects. Featuring a standard DB9 connector, it provides a convenient solution for serial communication, debugging, data acquisition, and industrial automation applications.

Features

• MAX3232-based RS232 to TTL level conversion
• Supports both 3.3V and 5V microcontroller systems
• Standard DB9 serial connector
• Bidirectional communication (RS232 ↔ TTL)
• Stable and reliable data transmission
• Compact and easy-to-use design
• Ideal for Arduino, ESP32, STM32, AVR, PIC, and other MCU platforms

Specifications

• Chipset: MAX3232
• Operating Voltage: 3.3V – 5V
• Interface: DB9 Female Connector
• Logic Level: TTL
• Communication Standard: RS232
• Communication Direction: Full Duplex
• Operating Temperature: -40°C to +85°C

Applications

• Serial communication projects
• Industrial control systems
• PLC and HMI interfacing
• GPS and GSM module communication
• Data logging systems
• Embedded system debugging
• Automation and monitoring projects