RS232 to TTL Serial Interface Module based on MAX3232

Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, support.

Product Overview

The RS232 to TTL Serial Interface Module is an essential component for bridging legacy RS232 devices with modern microcontrollers and single-board computers. Built around the industry-standard MAX3232 IC, this module provides reliable voltage level conversion for serial communication applications.

Key Features

• MAX3232 IC-based design for proven reliability
• Dual-channel conversion (RS232 TTL)
• Low power consumption (<1mA typical)
• Wide operating voltage (3V to 5.5V)
• Compact PCB design with standard pin headers
• On-board status LEDs for TX/RX indication
• Ready-to-use - no additional components required

Specifications

Parameter	Details
Type	Electronics Component
IC	Maxim MAX3232
Channels	2 (Dual)
Input Voltage	3.0V - 5.5V DC
Output Voltage	RS232: +/-5V to +/-15V, TTL: 0V - 5V
Baud Rate	Up to 250kbps
Connector Type	DB9 Female (RS232) + Pin Headers (TTL)
PCB Dimensions	~35mm x 25mm
Origin	Original/Authentic
Warranty	7-day warranty on manufacturing defects
Support	Email & WhatsApp 24/7

Why Choose This?

100% Authentic - Sourced from trusted suppliers with authentication verification

Fast Shipping - 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse

Expert Support - Technical guidance via email and WhatsApp

Proven Technology - MAX3232 is industry-standard with decades of reliability

Cost-Effective - Competitive pricing with bulk discounts available

Complete Solution - Ready to use out of the box

Applications & Project Ideas

DIY Electronics

• Arduino/Raspberry Pi serial communication projects
• Retro computer interfacing
• Custom serial data logging systems
• Hobbyist robotics and automation

Professional Applications

• Industrial equipment interfacing
• Legacy system modernization
• PLC communication modules
• Data acquisition systems
• IoT gateway development

Learning & Education

• Microcontroller programming courses
• Serial communication tutorials
• Electronics prototyping labs
• Embedded systems projects

Pin Configuration

RS232 Side (DB9):

• Pin 2: RXD (Receive)
• Pin 3: TXD (Transmit)
• Pin 5: GND

TTL Side (Header):

• VCC (3.3V/5V)
• GND
• RXD (TTL Input)
• TXD (TTL Output)

What's in the Box

RS232 to TTL Serial Interface Module (assembled & tested)

DB9 connector cable (in some variants)

Pin header connectors Quick start guide Technical documentation Warranty card

Technical Highlights

• Low Power Design: Ideal for battery-powered applications
• Automatic Shutdown: Powers down when not in use
• ESD Protection: Built-in protection against electrostatic discharge
• Compact Form Factor: Fits easily in tight enclosures
• Operating Temperature: -40 degreesC to +85 degreesC
• CE Certified: Meets international standards

Frequently Asked Questions

Is this 100% authentic?

Yes, absolutely. All modules are sourced from authorized distributors with authentication verification. We guarantee genuine MAX3232 ICs and quality PCB manufacturing.

What warranty is included?

7-day warranty on manufacturing defects covering all manufacturing defects. If the module fails within 12 months, we'll replace it free of charge.

How fast is shipping?

Standard shipping: 7-8 days to most of India from our Bengaluru warehouse. Express options available for urgent orders.

Do you provide technical support?

Yes! We offer comprehensive technical support via email and WhatsApp 24/7. Our experts can help with integration, troubleshooting, and project guidance.

What's your return policy?

7-day returns on manufacturing defects only with full refund or replacement. We stand behind our products 100%.

Are bulk discounts available?

Yes! We offer wholesale pricing on orders of 10+ units. Contact us for custom quotes and volume discounts.

Can I use this with 3.3V microcontrollers?

Yes, this module supports 3.3V to 5.5V input voltage, making it compatible with Arduino, Raspberry Pi, STM32, and other popular platforms.

Do I need external capacitors?

No, the module comes fully assembled with all required capacitors. It's ready to use straight out of the box.

What's the maximum baud rate?

Up to 250kbps, which covers all standard serial communication speeds (9600, 19200, 38400, 57600, 115200 baud).

Customer Support

Need help? We're here for

Buy RS232 to TTL Serial Interface Module based on MAX3232 Online in India

Purchase the RS232 to TTL Serial Interface Module based on MAX3232 online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on RS232 to TTL Serial Interface Module based on MAX3232 with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy RS232 to TTL Serial Interface Module based on MAX3232 at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.