--- product_id: 64070213 title: "Ultra Compact RS232 to TTL Converter with Female DB9 (1.8V 3.3V 5V, up to 1Mbps)" brand: "nulsom" price: "$0.68" currency: USD in_stock: false url: https://www.desertcart.us/products/64070213-ultra-compact-rs232-to-ttl-converter-with-female-db9-1 store_origin: US region: United States of America --- # Data rates up to 1Mbps Female DB9 Connector Enhanced ESD protection Ultra Compact RS232 to TTL Converter with Female DB9 (1.8V 3.3V 5V, up to 1Mbps) **Brand:** nulsom **Price:** $0.68 **Availability:** ❌ Out of Stock ## Summary > 🔗 Connect with Confidence! ## Quick Answers - **What is this?** Ultra Compact RS232 to TTL Converter with Female DB9 (1.8V 3.3V 5V, up to 1Mbps) by nulsom - **How much does it cost?** $0.68 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/64070213-ultra-compact-rs232-to-ttl-converter-with-female-db9-1) ## 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 - • **Compact Design:** Ultra-compact board size: 15 x 14 mm, perfect for space-constrained projects. - • **Easy Integration:** 4-pin and 2-pin through hole design simplifies connections for seamless setup. - • **Robust Protection:** Enhanced ESD protection ensures reliability in human-interfaced applications. - • **High-Speed Communication:** Achieve lightning-fast data transfer rates of up to 1Mbps for efficient performance. - • **Versatile Voltage Options:** Supports Vcc operation nodes of 1.8V, 3.3V, or 5.0V for flexible integration. ## Overview The NulSom Ultra Compact RS232 to TTL Converter is a high-performance solution featuring a female DB9 connector, supporting multiple voltage levels (1.8V, 3.3V, 5V) and data rates up to 1Mbps. Its compact size and enhanced ESD protection make it ideal for a variety of applications, ensuring reliable and efficient communication. ## Description This adapter helps to convert TTL (Transistor-Transistor Logic) level signals to RS232 interface. This converter has a Female DB9 connector. Extended Vcc operation nodes: 1.8V, 3.3V, or 5.0V. You can use this on 1.8V, 3.3V, or 5.0V projects. This is capable of running at data rates up to 1000Kbps (1Mbps) while maintaining RS232 compatible output levels. The operating temperature range: -40°C to +85°C Integrated level-shifting functionality eliminates the need for additional level shifter while interfacing with low-voltage microcontrollers. Suitable for use with most microcontrollers. Compatible with Arduino, PandaBoard, UDOO, Edison, Odroid, Orange Pi, Raspberry Pi, and any micro controller, such as ARM Cortex, PIC, Atmel, STM or other system with TTL serial communications. NS-TRS232-01 (Female Type) RTS (Board) > DIN2 (TRS3122E) DOUT2 > Pin 8 (Female DB-9 connector) CTS (Board) ## Features - Female DB9 Connector (RS232), Ultra compact board size:15 x 14 mm - Extended Vcc operation nodes: 1.8V, 3.3V, or 5.0V [*** The Rx/Tx logic level is equal to the Vcc-supply.*** Vcc: 1.8V -> Rx/Tx High Logic Level: 1.8V. Vcc: 5V (3.3V)-> Rx/Tx: 5V(3.3V) ] - Includes TRS3122E that runs at data rates up to 1Mbps (High-speed RS232 communication) - Enhanced ESD protection on receiver inputs and driver outputs (Enables human-interfaced applications) - 4 pin through hole: VCC, GND, Logic out (TX), Logic In (RX) and 2 pin through hole: CTS, RTS ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B074BTGLJN | | Brand | NulSom | | Brand Name | NulSom | | Compatible Devices | Arduino, Raspberry Pi, PandaBoard, UDOO, Edison, Odroid, Orange Pi | | Compatible devices | Arduino, Raspberry Pi, PandaBoard, UDOO, Edison, Odroid, Orange Pi | | Current Rating | 1 Amps | | Finish type | Matte | | Input Voltage | 5 Volts | | Item Dimensions | 15 x 14 x 3 millimetres | | Item Weight | 6 Grams | | Item dimensions L x W x H | 15 x 14 x 3 millimetres | | Item weight | 6 Grams | | Manufacturer | NulSom Inc. | | Manufacturer Part Number | NS-TRS232-01 | | Model Number | NS-TRS232-01 | | Number of Ports | 1 | | Number of ports | 1 | | Package Quantity | 1 | | Power Plug Type | No Plug | | Product Finish Type | Matte | | UPC | 888429010813 | | Unit Count | 1.0 count | | Warranty Type | Extended | ## Product Details - **Compatible Devices:** Arduino, Raspberry Pi, PandaBoard, UDOO, Edison, Odroid, Orange Pi - **Specific Uses For Product:** Microcontroller, Single-board Computer - **Connector Type:** DB9 Female - **Item dimensions L x W x H:** 0.59 x 0.55 x 0.12 inches - **Brand:** NulSom ## Images ![Ultra Compact RS232 to TTL Converter with Female DB9 (1.8V 3.3V 5V, up to 1Mbps) - Image 1](https://m.media-amazon.com/images/I/61X7G5Sh4rL.jpg) ![Ultra Compact RS232 to TTL Converter with Female DB9 (1.8V 3.3V 5V, up to 1Mbps) - Image 2](https://m.media-amazon.com/images/I/619J66CvotL.jpg) ![Ultra Compact RS232 to TTL Converter with Female DB9 (1.8V 3.3V 5V, up to 1Mbps) - Image 3](https://m.media-amazon.com/images/I/613Pz2poE3L.jpg) ![Ultra Compact RS232 to TTL Converter with Female DB9 (1.8V 3.3V 5V, up to 1Mbps) - Image 4](https://m.media-amazon.com/images/I/81WRhvx5mKL.jpg) ![Ultra Compact RS232 to TTL Converter with Female DB9 (1.8V 3.3V 5V, up to 1Mbps) - Image 5](https://m.media-amazon.com/images/I/618dtQq+oiL.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/64070213-ultra-compact-rs232-to-ttl-converter-with-female-db9-1](https://www.desertcart.us/products/64070213-ultra-compact-rs232-to-ttl-converter-with-female-db9-1) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-04*