Why does the product photo have a jumper across txd and rxd?

The jumper between TX and RX is mainly used for testing. Short TX, RX means you will receive any data you send. When you program or debug, you can quickly confirm if the TTL adapter is damaged. It saves you time and quickly locates faults.

What is the maximum baud rate of this device?

Build-in FTDI FT232RL Chip, max speed is to 3Mb/s . After testing, we found that data can be transmitted stably below 115200 baud rate.

Does this work with the arduino ide to upload sketches to the arduino pro mini?

yes ,it work with arduino ide to upload sketches to pro mini.

I want to confirm, 5v from the usb side is output to vcc as 5v or converted to 3.3v /1.8v by jumper and sets ttl interface level correct?

Hi, I just checked this on mine with a DMM to verify. Your assumption is correct: the jumper will alter the VCC to 5/3.3/1.8V.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

SH-U09C2 USB to TTL Adapter Built-in FTDI FT232RL IC for Debugging and Programming

Product ID: 253816835

Details

Colour
Multicoloured
Compatible devices
Hard Drive
Connector type
USB
Item dimensions L x W x H
38 x 10 x 4

⚡3Mbps max data speed

🔄Supports 1.8V/3.3V/5V logic levels

🛡️Protective static-shielding case

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

7974 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

Secure transaction

Description

⚡ Power your projects with precision and speed — don’t get left behind!

STATIC PROOF SHIELDING - Transparent protective casing guards against static interference and accidental short circuits—work worry-free.
CROSS PLATFORM POWERHOUSE - Plug and play with Windows, Linux, and Mac OS for versatile, hassle-free integration.
TRI VOLTAGE LOGIC MASTERY - Seamlessly switch between 1.8V, 3.3V, and 5V TTL levels for ultimate device compatibility.
BLAZING 3 MBPS TRANSFER SPEED - Experience rapid data transmission that keeps your debugging and programming workflows lightning fast.
TRUSTED RELIABILITY SUPPORT - Backed by a 12-month warranty and responsive 24-hour customer service to keep your projects on track.

The SH-U09C2 USB to TTL Adapter features the original FTDI FT232RL IC, supporting 1.8V, 3.3V, and 5V logic levels with jumper-selectable voltage. It offers a maximum data transfer speed of 3Mbps and comes encased in a transparent protective shell to prevent static and shorts. Compatible across Windows, Linux, and Mac OS, this adapter is ideal for programming, debugging, and flashing firmware on a wide range of UART devices. Backed by a 12-month warranty and responsive support, it’s a reliable tool for professionals and DIY enthusiasts alike.

Specifications

ASIN	B07TXVRQ7V
Best Sellers Rank	#1,673 in Computers ( See Top 100 in Computers ) #1 in Serial Adapters
Brand	DSD TECH
Color	Multicoloured
Compatible Devices	Hard Drive, Laptop
Connector Type	USB
Country of Origin	China
Current Rating	1 Amps
Customer Reviews	4.8 4.8 out of 5 stars (866)
Finish	Plastic
Input Voltage	5 Volts
Item Dimensions	38 x 10 x 4 millimeters
Item Weight	0.2 Ounces
Manufacturer	DSD TECH
Mfr Part Number	SH-U09C2
Model Number	SH-U09C2
Number of Items	1
Number of Ports	1
Package Quantity	1
Power Plug Type	No Plug
Smart Home Compatibility	Not Smart Home Compatible
Specific Uses For Product	Programming, Debugging, EEPROM, Router, ESP8266 Module, GPS Modules, Firmware on Hard Drive, Transmitter, Set Top Box
UPC	734678383287
Unit Count	1 Count
Warranty Description	1-year warranty
Warranty Type	Limited

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

7974 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

View all Trustpilot reviews