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- SKU: 06545
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MAX3232 RS232 to TTL Serial Port Converter Module
The MAX3232 RS232 to TTL Serial Port Converter Module is a reliable and compact device designed to bridge the communication gap between RS232 devices and TTL logic systems. Based on the MAX3232 IC, this module efficiently converts the voltage levels of RS232 (±12V) to TTL (0-5V or 0-3.3V), enabling seamless communication between microcontrollers and older RS232-compatible hardware like PCs, GPS modules, or industrial equipment.
The module supports full duplex (two-way) communication and operates on both 3.3V and 5V logic, making it compatible with a wide range of devices. It's ideal for interfacing microcontrollers like Arduino, Raspberry Pi, and STM32 with legacy RS232 devices, making it a valuable addition to industrial automation, embedded systems, and prototyping projects.
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 kbit/s
Specifications
- Chipset: MAX3232
- Input Voltage (VCC): 3.3V or 5V
- Interface: TX RX VCC GND
- RS232 Logic Voltage: ±12V (standard RS232 voltage levels)
- TTL Logic Voltage: 0-5V or 0-3.3V (depending on the connected system)
- Communication Mode: Full duplex (TX/RX)
- Operating Temperature: -40°C to +85°C
- Dimensions: 29x30.6mm
Package Includes
- 1x MAX3232 RS232 to TTL Serial Port Converter Module
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)








