--- product_id: 48884389 title: "Ultra Compact RS232 to TTL Converter with Male DB9 and Hood Kit (3.3V to 5V)" brand: "nulsom" price: "$0.72" currency: USD in_stock: false url: https://www.desertcart.us/products/48884389-ultra-compact-rs232-to-ttl-converter-with-male-db9-hood store_origin: US region: United States of America --- # Ultra compact size 3.3V to 5V support 4-pin connectivity Ultra Compact RS232 to TTL Converter with Male DB9 and Hood Kit (3.3V to 5V) **Brand:** nulsom **Price:** $0.72 **Availability:** ❌ Out of Stock ## Summary > 🔧 Transform Your Connections with Ease! ## Quick Answers - **What is this?** Ultra Compact RS232 to TTL Converter with Male DB9 and Hood Kit (3.3V to 5V) by nulsom - **How much does it cost?** $0.72 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/48884389-ultra-compact-rs232-to-ttl-converter-with-male-db9-hood) ## Best For - nulsom enthusiasts ## Why This Product - Trusted nulsom brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Easy Installation:** Features through-hole pins for straightforward integration into your projects. - • **Space-Saving Design:** Ultra compact dimensions (15 x 14 mm) fit into any project without bulk. - • **Reliable Connectivity:** Includes a sturdy Male DB9 connector for secure connections. - • **Enhanced Compatibility:** Supports a wide range of power supplies (3V to 5.5V) for maximum flexibility. - • **Seamless Voltage Adaptation:** Effortlessly switch between 3.3V and 5V for versatile applications. ## Overview The Ultra Compact RS232 to TTL Converter is designed for seamless integration in various electronic projects, featuring a Male DB9 connector and a compact size of just 15 x 14 mm. It supports a power supply range of 3V to 5.5V, making it ideal for both 3.3V and 5V applications. With reliable connectivity and easy installation through its pin configuration, this converter is a must-have for tech-savvy professionals. ## Description This adapter helps to convert TTL (Transistor-Transistor Logic) level signals to RS232 interface. This converter has a Male DB9 connector (NS-RS232-02: B00OPU2QJ4) and a plastic Hood Kit. Suitable for use with most microcontrollers, 300 to 115,200 bps (up to 230,400 bps). Compatible with Arduino, Raspberry Pi, and any micro controller, such as PIC, Atmel, STM or other system with TTL serial communications. Operate with 3V to 5.5V power supply. You can use this on both your 3.3V and 5V projects. Perfect for any RS232 to TTL electronic projects. The operating temperature range: -40°C to +85°C RTS (Board) > T2IN (SP3232EEY) T2OUT > Pin 7 (Male DB-9 connector) CTS (Board) Please disconnect this module while uploading as this is shared with Arduino's digital pins 0 and 1 for the serial communication. This can be connected and used after the sketch code has been uploaded. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00OPWLXDW | | Best Sellers Rank | 430,608 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 812 in Satellite Cable Connectors 917 in Serial Adapters | | Brand Name | NulSom | | Compatible Devices | Arduino, Microcontrollers, Raspberry Pi | | Connector Type | db9 | | Current Rating | 0.8 Amps | | Customer Reviews | 5.0 5.0 out of 5 stars (2) | | Input Voltage | 5 Volts | | Item Dimensions | 15 x 14 x 3 millimetres | | Item Weight | 6 Grams | | Manufacturer | NulSom Inc. | | Manufacturer Part Number | NS-RS232-02-H | | Model Number | NS-RS232-02-H | | Number of Items | 1 | | Number of Ports | 1 | | Package Quantity | 1 | | Power Plug Type | No Plug | | Product Finish Type | Matte | | Specific Uses For Product | Microcontroller Projects, Arduino, Raspberry Pi, TTL Serial Communications | | UPC | 888429010127 | | Unit Count | 1.0 count | ## Product Details - **Brand:** NulSom - **Compatible devices:** Arduino, Microcontrollers, Raspberry Pi - **Connector type:** db9 - **Item dimensions L x W x H:** 15 x 14 x 3 millimetres - **Specific uses for product:** Microcontroller Projects, Arduino, Raspberry Pi, TTL Serial Communications ## Images ![Ultra Compact RS232 to TTL Converter with Male DB9 and Hood Kit (3.3V to 5V) - Image 1](https://m.media-amazon.com/images/I/710e0TioxzL.jpg) ![Ultra Compact RS232 to TTL Converter with Male DB9 and Hood Kit (3.3V to 5V) - Image 2](https://m.media-amazon.com/images/I/71QmTx8hFOL.jpg) ![Ultra Compact RS232 to TTL Converter with Male DB9 and Hood Kit (3.3V to 5V) - Image 3](https://m.media-amazon.com/images/I/71pDeyHNLlL.jpg) ![Ultra Compact RS232 to TTL Converter with Male DB9 and Hood Kit (3.3V to 5V) - Image 4](https://m.media-amazon.com/images/I/71jNybM7zdL.jpg) ![Ultra Compact RS232 to TTL Converter with Male DB9 and Hood Kit (3.3V to 5V) - Image 5](https://m.media-amazon.com/images/I/71ljPq11O5L.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.us/products/48884389-ultra-compact-rs232-to-ttl-converter-with-male-db9-hood](https://www.desertcart.us/products/48884389-ultra-compact-rs232-to-ttl-converter-with-male-db9-hood) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-22*