---
product_id: 47975537
title: "Ultra Compact RS232 to TTL Converter with Male DB9 (3.3V to 5V)"
brand: "nulsom"
price: "728892₫"
currency: VND
in_stock: false
category: "Electronics"
url: https://www.desertcart.vn/products/47975537-ultra-compact-rs232-to-ttl-converter-with-male-db9-3
store_origin: VN
region: Vietnam
---

# Ultra Compact RS232 to TTL Converter with Male DB9 (3.3V to 5V)

**Brand:** nulsom
**Price:** 728892₫
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Ultra Compact RS232 to TTL Converter with Male DB9 (3.3V to 5V) by nulsom
- **How much does it cost?** 728892₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/47975537-ultra-compact-rs232-to-ttl-converter-with-male-db9-3)

## Best For

- nulsom enthusiasts

## Why This Product

- Trusted nulsom brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

This adapter helps to convert TTL (Transistor-Transistor Logic) level signals to RS232 interface. This converter has a Male DB9 connector.  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.  Manual: http://www.nulsom.com/datasheet/NS-RS232_en.pdf

## Features

- Ultra compact board size:15 x 14 mm
- DB9 Male Connector (RS232)
- Supports 3V to 5.5V power supply (***The Rx/Tx logic level is equal to the Vcc-supply.*** Vcc: 3.3V -> Rx/Tx High Logic Level: 3.3V. Vcc: 5V -> Rx/Tx: 5V )
- Includes SP3232E
- 4 pin through hole: VCC, GND, Logic out (TX), Logic In (RX) and 2 pin through hole: CTS, RTS

## Product Details

- **Compatible Devices:** Arduino, Raspberry Pi, PIC, Atmel, STM
- **Specific Uses For Product:** Microcontroller projects
- **Connector Type:** DB9 Male
- **Color:** blue
- **Item dimensions L x W x H:** 0.59 x 0.55 x 0.12 inches

## Images

![Ultra Compact RS232 to TTL Converter with Male DB9 (3.3V to 5V) - Image 1](https://images-eu.ssl-images-amazon.com/images/I/41DLqEoYlqL.jpg)
![Ultra Compact RS232 to TTL Converter with Male DB9 (3.3V to 5V) - Image 2](https://images-eu.ssl-images-amazon.com/images/I/51YZTHYSZwL.jpg)
![Ultra Compact RS232 to TTL Converter with Male DB9 (3.3V to 5V) - Image 3](https://images-eu.ssl-images-amazon.com/images/I/41-bpsRpuTL.jpg)
![Ultra Compact RS232 to TTL Converter with Male DB9 (3.3V to 5V) - Image 4](https://images-eu.ssl-images-amazon.com/images/I/413dZZHtSaL.jpg)
![Ultra Compact RS232 to TTL Converter with Male DB9 (3.3V to 5V) - Image 5](https://images-eu.ssl-images-amazon.com/images/I/412sFAnJYlL.jpg)

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---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-20*