---
product_id: 753882007
title: "DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 10, 8, 7 and Mac OS X"
brand: "dsd tech"
price: "C$2084"
currency: NIO
in_stock: true
reviews_count: 13
category: "Dsd Tech"
url: https://www.desertcart.ni/products/753882007-dsd-tech-sh-u09c-usb-to-ttl-serial-adapter-ftdi
store_origin: NI
region: Nicaragua
---

# 900Kbps max transfer speed LED indicators for TX, RX & power Auto-switching 3.3V/5V logic levels DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 10, 8, 7 and Mac OS X

**Brand:** dsd tech
**Price:** C$2084
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect Smarter, Debug Faster — The Serial Adapter That Means Business

## Quick Answers

- **What is this?** DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 10, 8, 7 and Mac OS X by dsd tech
- **How much does it cost?** C$2084 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/753882007-dsd-tech-sh-u09c-usb-to-ttl-serial-adapter-ftdi)

## Best For

- dsd tech enthusiasts

## Why This Product

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

## Key Features

- • **Smart Voltage Adaptation:** Automatically switches between 3.3V and 5V output to protect your devices and ensure compatibility without manual hassle.
- • **Blazing Fast Data Transfer:** Experience ultra-responsive communication with up to 900Kbps speed, perfect for seamless debugging and development.
- • **Universal OS Compatibility:** Plug and play with Windows 10, 8, 7, Vista, XP, and Mac OS X for maximum flexibility across your workstations.
- • **Compact & Lightweight Design:** Sleek, pocket-sized adapter weighing just 32g—engineered for professionals on the move who demand reliability and portability.
- • **Intuitive LED Status Indicators:** Stay in control with real-time TX, RX, and power LEDs that make monitoring your serial data effortless.

## Overview

The DSD TECH SH-U09C USB to TTL Serial Adapter features the reliable FTDI FT232RL chip, delivering stable and fast serial communication at up to 900Kbps. It supports automatic voltage switching between 3.3V and 5V logic levels, includes LED indicators for real-time data transfer status, and is compatible with a wide range of Windows and Mac OS versions. Compact and lightweight, it’s designed for developers and engineers seeking efficient, hassle-free serial connectivity backed by a 12-month warranty.

## Description

desertcart.co.jp: DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 10, 8, 7 and Mac OS X : Computers

Review: Nintendo Switchのとある作品でArduinoと併用して自動化をするために購入。 問題なく使う事が出来ました、配線等も解説サイトを見ながらやれば特に問題ないと思います。
Review: テスターを出すほどでも無い測定に便利

## Features

- USB to TTL adapter allows you to communicate with the board/MCU through your computer Maximum transfer speed 900K
- Main chip is FT232RL from FTDI for high stability The LED indicators for TX, RX, and power show the progress during debugging and downloading, making it easy to check and useful
- Pin definitions: CTS, RTS, RXD, TXD, GND, VCC Supports VCC output 3.3V and 5V, automatically switches voltage based on usage conditions Logic level also supports 3.3V and 5V
- Works with Windows 10, 7 (32/64-bit) Vista 2008, XP, 2003, Mac etc
- Warranty: USB to this TTL adapter comes with DSD TECH 12 months warranty If you have any problems, please feel free to contact us

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BBPX8B8 |
| Amazon Bestseller | #9,392 in Computers ( See Top 100 in Computers ) #6 in Serial Adapters |
| Batteries Included | No |
| Batteries Required | No |
| Brand | DSD TECH |
| Color Name | Serial |
| Compatible Devices | Laptop |
| Connector Gender | Male-to-Female |
| Customer Reviews | 4.3 4.3 out of 5 stars (2,088) |
| Date First Available | March 23, 2018 |
| Finish Type | Matte |
| Included Components | USB to TTL Serial Adapter with FTDI FT232RL |
| Item Model Number | SH-U09C |
| Item Weight | 0.03 Kilograms |
| Item model number | SH-U09C |
| Manufacturer | DSD TECH |
| Product Dimensions | 5.59 x 2.03 x 0.25 cm; 32 g |

## Product Details

- **Color:** Serial
- **Compatible Devices:** Laptop
- **Connector Type:** USB
- **Item dimensions L x W x H:** 5.6 x 2 x 0.3 cm
- **Specific Uses For Product:** Laptop

## Images

![DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 10, 8, 7 and Mac OS X - Image 1](https://m.media-amazon.com/images/I/71dITzHXVZL.jpg)
![DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 10, 8, 7 and Mac OS X - Image 2](https://m.media-amazon.com/images/I/71FnqLYvXOL.jpg)
![DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 10, 8, 7 and Mac OS X - Image 3](https://m.media-amazon.com/images/I/71y2cWG-FwL.jpg)
![DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 10, 8, 7 and Mac OS X - Image 4](https://m.media-amazon.com/images/I/71xmcfUcYyL.jpg)
![DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 10, 8, 7 and Mac OS X - Image 5](https://m.media-amazon.com/images/I/61LECVCjMrL.jpg)

## Questions & Answers

**Q: When used with arduino, what programmer do you select in the arduino ide?**
A: Under the "Tools" menu there is a "Port" entry you select the com port. You have to first select the correct board. You can upload a sketch via the serial port.

**Q: Is this compatible with the standard linux kernel and/or modules?**
A: This TTL adapter has a built-in FTDI FT232RL chip,about driver for linux, please refer to the following : https://www.ftdichip.com/Support/Documents/TechnicalNotes/TN_101_Customising_FTDI_VID_PID_In_Linux(FT_000081).pdf

**Q: Which voltage do I choose? The DSD TECH SH-U09C has a jumper to select 3.3 or 5 v. Does the device I'm connecting to determine this or is it the USB?**
A: Select the voltage based on the device you are connecting and trying to communicate with. This selector either delivers the 5.0 V from the USB or steps the 5 V from usb down to 3.3 V depending on the voltage required from the microcontroller you connect to.

**Q: I cannot find the board on arduino on my macbook. although after intallation of the driver i can find it under utilities and usb, what should i do?**
A: please refer to the following:  
You can verify that this adapter is working properly by:
Short TX and RX. You will receive any data you send.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by こ***の on February 5, 2024*

Nintendo Switchのとある作品でArduinoと併用して自動化をするために購入。 問題なく使う事が出来ました、配線等も解説サイトを見ながらやれば特に問題ないと思います。

### ⭐⭐⭐⭐⭐ Review
*by R***I on December 20, 2024*

テスターを出すほどでも無い測定に便利

### ⭐⭐⭐⭐ Review
*by P***様 on November 3, 2025*

FTDI持ってるPCならオフラインスタンドアロンでも十分使える。 これがあったおかげでPC-RS232C-RS422-試供品変換が出払ってしまって使えない時に仕組みさえわかれば自作できるようになる。

## Frequently Bought Together

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-03-09*