---
product_id: 63839802
title: "SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS"
brand: "dsd tech"
price: "R412"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Dsd Tech"
url: https://www.desertcart.co.za/products/63839802-sh-u09c-usb-to-ttl-serial-adapter-with-ftdi-ft232rl
store_origin: ZA
region: South Africa
---

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

**Brand:** dsd tech
**Price:** R412
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect Like a Pro — Power Your Projects with Precision and Speed!

## Quick Answers

- **What is this?** 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?** R412 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/63839802-sh-u09c-usb-to-ttl-serial-adapter-with-ftdi-ft232rl)

## 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

- • **Blazing Fast Data Transfer:** Experience ultra-responsive communication with speeds up to 3Mbps, perfect for seamless debugging and programming.
- • **Reliable Support & Warranty:** Backed by 1-year replacement and responsive technical support, so you’re never left debugging alone.
- • **Plug & Play Across Platforms:** Effortlessly compatible with Windows 11, 10, 7, Vista, XP, and Mac OS—no driver headaches, just instant connectivity.
- • **Intuitive LED Status Indicators:** Stay in control with clear TX, RX, and Power LEDs that give you real-time feedback on your connection status.
- • **Versatile Voltage Compatibility:** Easily switch between 3.3V and 5V output via jumper, ensuring flawless integration with a wide range of MCUs and boards.

## Overview

The DSD TECH SH-U09C USB to TTL Serial Adapter features the high-stability FTDI FT232RL chip, supports up to 3Mbps data transfer, and offers switchable 3.3V/5V output. Compatible with major Windows and Mac OS versions, it includes LED indicators for real-time status and comes with 1-year replacement and dedicated technical support, making it an essential tool for developers and engineers seeking reliable serial communication.

## 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: Great for USB to TTL interfacing. - 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.

## 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 | #56 in Serial Adapters #4,894 in Cables & Accessories |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,094) |
| 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

![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

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐ Simple design that works,
*by L***I on August 8, 2025*

Bought it to flash some receivers for my hobby. Worked like a charm, so far no issues, easily readable by computer and cost isn't that bad. Simple design that works,

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-16*