--- product_id: 190266044 title: "RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino" brand: "livisn" price: "A$15" currency: AUD in_stock: true url: https://www.desertcart.com.au/products/190266044-rs232-to-ttl-serial-port-module-bidirectional-transceiver-compatible-3 store_origin: AU region: Australia --- # Over-Voltage Protection Bidirectional Transceiver 3.3V/5V Compatibility RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino **Brand:** livisn **Price:** A$15 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate Your Tech Game with Precision! ## Quick Answers - **What is this?** RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino by livisn - **How much does it cost?** A$15 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/190266044-rs232-to-ttl-serial-port-module-bidirectional-transceiver-compatible-3) ## Best For - livisn enthusiasts ## Why This Product - Trusted livisn brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Protection:** Built-in over-voltage protection ensures your equipment stays safe. - • **User-Friendly Design:** Designed for tech enthusiasts, making complex tasks simpler and more efficient. - • **Seamless Connectivity:** Experience effortless communication between RS232 and TTL devices. - • **Automatic Flow Control:** Enjoy hassle-free data transmission with hard flow control functionality. - • **Versatile Applications:** Perfect for microcontroller downloads, firmware updates, and GPS signal reading. ## Overview The LIVISN RS232 to TTL Serial Port Module is a versatile bidirectional transceiver designed for seamless communication between RS232 and TTL devices. With features like over-voltage protection, automatic flow control, and compatibility with 3.3V and 5V systems, this module is perfect for tech-savvy users looking to enhance their projects, whether it's for microcontroller downloads, firmware updates, or GPS signal reading. ## Description RS232 female to TTL Serial Port Bidirectional Transceiver Module, for SST, STC, NXP microcontroller Download. Can also be used for other purposes, such as hard disk repair, write router firmware, GPS signal reading and other functions, but requires users to have a certain level of technology can be achieved. This module contains over-voltage protection circuit to better protect your computer and equipment. This module contains hard flow control, and the TTL side of the module RTS signal is not dangling, is set to enable bidirectional transceiver function by default. Prevent SP3232 from floating in some pins, causing chip oscillation and introducing high-frequency interference and increasing power consumption, thus affecting the normal operation of the entire chip. RS232 communication chip: SP3232. DB9 Interface Type: Female. Operating voltage: 3V-5V; with four bidirectional transient suppression diode signal voltage protection. ## Features - RS232 female to TTL Serial Port Bidirectional Transceiver Module, for SST, STC, NXP microcontroller Download. Can also be used for other purposes, such as hard disk repair, write router firmware, GPS signal reading and other functions, but requires users to have a certain level of technology can be achieved. - This module contains over-voltage protection circuit to better protect your computer and equipment. - This module contains hard flow control, and the TTL side of the module RTS signal is not dangling, is set to enable bidirectional transceiver function by default. Prevent SP3232 from floating in some pins, causing chip oscillation and introducing high-frequency interference and increasing power consumption, thus affecting the normal operation of the entire chip. - RS232 communication chip: SP3232. DB9 Interface Type: Female. - Operating voltage: 3V-5V; with four bidirectional transient suppression diode signal voltage protection. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0823MG1N5 | | Brand | LIVISN | | Compatible Devices | GPS, PC | | Input Voltage | 5 Volts | | Manufacturer | LIVISN | | Mfr Part Number | RS232 to TTL Serial Port Module | | Number of Ports | 1 | | UPC | 781621046218 | | Unit Count | 1.0 Count | ## Images ![RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino - Image 1](https://m.media-amazon.com/images/I/81WrcLLDonL.jpg) ![RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino - Image 2](https://m.media-amazon.com/images/I/81lDgdMCyKL.jpg) ![RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino - Image 3](https://m.media-amazon.com/images/I/818T8Z5YEfL.jpg) ![RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino - Image 4](https://m.media-amazon.com/images/I/817cGp1rFcL.jpg) ![RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino - Image 5](https://m.media-amazon.com/images/I/71fAkcZD2bL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.au/products/190266044-rs232-to-ttl-serial-port-module-bidirectional-transceiver-compatible-3](https://www.desertcart.com.au/products/190266044-rs232-to-ttl-serial-port-module-bidirectional-transceiver-compatible-3) --- *Product available on Desertcart Australia* *Store origin: AU* *Last updated: 2026-08-05*