RS232 to TTL Serial Interface Module - 4 Pin

The RS232 to TTL Serial Interface Module is designed around the MAX3232 transceiver IC, enabling seamless communication between TTL and RS232 ports by converting the necessary electrical signals.

This module typically features a DB9 connector on one side for direct connection to a computer’s COM port, and four header pins with jumper cables on the other side, allowing easy connection to a breadboard or microcontroller project board.

The module utilizes the MAX3232CSE+ IC in a 16-pin narrow SO package, requiring a voltage of 3.0V to 5.5V for operation. It includes two receivers and two transmitters, supports a maximum data rate of 120 kbps, and uses four 0.1µF charge-pump capacitors. It's also compatible with the widely used MAX3232 IC pinout. Designed to work with UART systems, it is suitable for microcontrollers like ATMEL and PIC.

This module, equipped with a DB9 connector, is ideal for connecting serial devices like DVD players, routers, and hard drives to microcontroller systems for upgrades or other uses.

Features :-

• It is widely used in radio modification, phone flash, XBOX360 flash, GPS, vehicle detection, DVD flash, hard disk repair set-top box upgrade.

• It can be used to program STC MCU, NXP MCU, Renesas MCU, STM32 MCU, N+-2EC MCU

• Pre-assembled compact size board

• Suitable for use with most microcontrollers

• Operates up to 250 k bit/s

Specifications :-

• IC Chip - MAX3232

• Operating Voltage (VDC)- 3.3 ~ 5.5

• Width  (mm) - 32

• Height (mm) - 15

• Weight (gm) - 12

Package Includes :-

1 x RS232 to TTL Serial Interface Module - 4 Pin

Return Policy Overview

At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.

Return Window

• Standard Returns: 7 days from delivery date for any reason, including if you simply changed your mind.
• Defective/Damaged Items: 7 days from delivery date for items received damaged or defective.
• Manufacturing Defects (Warranty): 15 days from delivery for manufacturing defects, unless a different warranty period is specified on the product page.

What Can Be Returned

Most items sold on ROBODIUM™ can be returned within the return window, including:

• Items you no longer need or changed your mind about
• Products received in damaged condition
• Items with manufacturing defects
• Wrong items received (item mismatch)
• Missing components inside the package

Return Conditions

To be eligible for a return, items must be:

• In their original, unused condition
• In the original packaging with all accessories, manuals, and free gifts (if any)
• Accompanied by proof of purchase

Note: Products damaged due to misuse, modification, static discharge, soldering, or improper handling may not be eligible for return.

How to Initiate a Return

1. Contact us via email at support@robodium.com or call +91 8123109966
2. Provide your order number and reason for return
3. Submit photos/videos of the item (especially for damaged/defective products)
4. Our team will review and approve your return request within 1-2 business days

Return Pickup Process

We arrange the return pickup for you - hassle-free returns similar to major e-commerce platforms.

• Once your return is approved, we will coordinate pickup from your location.
• Pack the product securely in its original packaging.
• Include a copy of the order confirmation or packing list.
• Keep the package ready - our logistics partner will collect it at the scheduled time.

Return Shipping Costs

• Defective, damaged, or wrong items: ROBODIUM™ covers all return shipping costs. No charges to you.
• Change of mind returns: A flat return shipping fee of ₹100 will be deducted from your refund amount.

Refund Process

• Refund Method: Refunds are processed to your original payment method.
• Processing Time: 5-7 business days after we receive and inspect the returned item.
• Refund Amount: Full purchase price minus any applicable return shipping fees.
• Orders canceled before shipping receive a full refund (minus up to 5% payment gateway charges, if applicable).

Replacements

• Once the returned item is inspected and approved, we ship the replacement at no additional cost.
• Replacement items are dispatched within 2 business days of receiving your return.
• If replacement is unavailable, we provide a full refund.

Warranty Terms

All products include a minimum 15-day warranty against manufacturing defects unless otherwise specified on the product page.

Warranty does not cover: misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.

Order Cancellations

• Orders in Pending or Payment Verification status can be canceled for a full refund.
• Contact us immediately at support@robodium.com to cancel before shipping.
• Once an order is shipped, it cannot be canceled but can be returned after delivery.

Customer Service Commitment

• Email Response Time: Within 24 hours on business days
• Phone Support: Monday-Saturday, 10:00 AM - 6:00 PM IST
• Return Request Review: 1-2 business days
• Issue Resolution: Within 48 hours of verification