---
product_id: 63839802
title: "DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS"
brand: "dsd tech"
price: "750259₫"
currency: VND
in_stock: true
reviews_count: 13
category: "Dsd Tech"
url: https://www.desertcart.vn/products/63839802-dsd-tech-sh-u09c-usb-to-ttl-serial-adapter-ftdi
store_origin: VN
region: Vietnam
---

# 3Mbps max speed LED TX/RX/Power indicators 3.3V/5V voltage switchable DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS

**Brand:** dsd tech
**Price:** 750259₫
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your MCU debugging game with the SH-U09C – speed, clarity, and control in one sleek adapter!

## Quick Answers

- **What is this?** DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS by dsd tech
- **How much does it cost?** 750259₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/63839802-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

- • **Reliable & Supported:** Backed by 1-year replacement and responsive tech support within 1 business day
- • **Universal Compatibility:** Works flawlessly with Windows 11/10/7 and Mac OS for versatile use
- • **Flexible Voltage Support:** Switch effortlessly between 3.3V and 5V logic levels with a simple jumper
- • **Blazing Fast Data Transfer:** Up to 3Mbps transmission speed for seamless MCU communication
- • **Visual Debugging Made Easy:** Built-in LED indicators keep you informed on TX, RX, and power status

## Overview

The DSD TECH SH-U09C USB to TTL Serial Adapter features the high-stability FTDI FT232RL chip, enabling up to 3Mbps data transfer. It supports both 3.3V and 5V logic levels via jumper selection and includes LED indicators for real-time TX, RX, and power monitoring. Compatible with major Windows versions and Mac OS, it offers reliable performance backed by a 1-year replacement warranty and dedicated customer support.

## Description

desertcart.com: DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS : Electronics

Review: Good product - Worked perfectly with no driver issues
Review: Excellent USB to Serial interface unit. - This is a well designed unit at a remarkable low price for what it does. The material quality is top rate. Very convenient item for interfacing a USB port to a serial port. I simply plug it into a USB port on my laptop and use the provided cable to connect the interface unit to the serial interface pins of my microcontroller board. The use of clear plastic to encase the unit is very smart. It allows you to view the LEDs monitoring the Rx and Tx lines to ensure data is transferring properly. Makes programming the microprocessor easy, using the software on my Windows 10 computer. Installing the Win 10 driver was also easy by downloading it from the FTDI website. It also provides the use of 3.3 volt or 5 volt logic by use of a simple jumper on the unit. They also provide a jumper for loop back testing. Highly recommend it.

## Features

- With this USB to TTL adapter, you can establish communication with your board/MCU through your computer. Maximum transmission speed up to 3Mbps
- The main chip is FT232RL from FTDI ,High stability. LED indicator for TX,RX,Power,It is very useful when you are debugging or downloading.
- Pin Definition: CTS,RTS,RXD,TXD,GND,VCC;Support VCC output 3.3V and 5V, switch by jumper.
- Works with Windows 11,10, 7(32/64bit) Vista 2008, XP, 2003,Mac Etc.
- Customer Support: DSD TECH provides permanent technical support and 1 year product replacement service for this USB to TTL Serial Adapter.All questions will be answered within 1 working day.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BBPX8B8 |
| Best Sellers Rank | #60 in Serial Adapters #5,167 in Cables & Accessories |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,086) |
| Date First Available | March 9, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.13 ounces |
| Item model number | SH-U09C |
| Manufacturer | DSD TECH |
| Product Dimensions | 2.2 x 0.8 x 0.1 inches |

## Product Details

- **Brand:** DSD TECH
- **Compatible Devices:** Desktop, Laptop
- **Connector Type:** USB Type A
- **Item dimensions L x W x H:** 2.2 x 0.8 x 0.1 inches
- **Specific Uses For Product:** Laptop

## Images

![DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS - Image 1](https://m.media-amazon.com/images/I/71dITzHXVZL.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

### ⭐⭐⭐⭐⭐ Good product
*by M***A on January 5, 2026*

Worked perfectly with no driver issues

### ⭐⭐⭐⭐⭐ Excellent USB to Serial interface unit.
*by D***W on February 11, 2022*

This is a well designed unit at a remarkable low price for what it does. The material quality is top rate. Very convenient item for interfacing a USB port to a serial port. I simply plug it into a USB port on my laptop and use the provided cable to connect the interface unit to the serial interface pins of my microcontroller board. The use of clear plastic to encase the unit is very smart. It allows you to view the LEDs monitoring the Rx and Tx lines to ensure data is transferring properly. Makes programming the microprocessor easy, using the software on my Windows 10 computer. Installing the Win 10 driver was also easy by downloading it from the FTDI website. It also provides the use of 3.3 volt or 5 volt logic by use of a simple jumper on the unit. They also provide a jumper for loop back testing. Highly recommend it.

### ⭐⭐⭐⭐⭐ Great for USB to TTL interfacing.
*by A***R on April 7, 2025*

I needed this to program a Nextron LCD display via a USB port. At first, my Nextron screen showed only lines and static. Then I realized the power jumper was set to 3 volts, and the Nextron required 5 volts. After that, no problems. It just works.

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-01-28*