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DSD TECH SH-U09C5 USB to TTL UART Converter Cable with FTDI Chip Support 5V 3.3V 2.5V 1.8V TTL

4.7 4.7 out of 5 stars 659 ratings
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Purchase options and add-ons

Compatible Devices Laptop
Specific Uses For Product Laptop
Connector Type USB
Color Multicoloured
Item dimensions L x W x H 1.5 x 0.4 x 0.15 inches

About this item

  • Support 4 kinds of TTL levels:This is a versatile USB to TTL converter. It is powerful enough to handle almost all TTL level communications. It is compatible with 5V, 3.3V, 2.5V, 1.8V TTL levels.
  • FTDI FT232RNL Chip:Built-in original FTDI Chip.The DSD TECH brand never uses cheap fake chips.
  • Protective case:Comes with a protective case, this transparent protective case can effectively prevent static interference from the hand and prevent accidental short circuit
  • It provides access not only to UART TX,RX, RTS, CTS, VCC and GND pins,but also provides access to DSR,R1,DCD,DTR,RESET pins
  • Customer Support: DSD TECH provides permanent technical support and 1 year product replacement service for this Bluetooth 5.0 BLE to RS232 adapter. All questions will be answered within 1 working day.
› See more product details

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DSD TECH SH-U09C5 USB to TTL UART Converter Cable with FTDI Chip Support 5V 3.3V 2.5V 1.8V TTL

4.74.7 out of 5 stars 659
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Sold by DSD TECH Direct and ships from Amazon Fulfillment.
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DSD TECH SH-U09C2 USB to TTL Adapter Built-in FTDI FT232RL IC for Debugging and Programming
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DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS
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$12.49
In Stock
Sold by DSD TECH Direct and ships from Amazon Fulfillment.
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Customer reviews

4.7 out of 5 stars
659 global ratings

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Customers say

Customers find the electronic adapter works well on both PC and Mac. It has a variety of voltage options that are useful for different projects. They find it easy to wire up and configure for different logic levels. The device is versatile and a great tool for engineers and DIYers. The FTDI chipset is mentioned as being popular.

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FunctionalityVoltage optionsEase of installationUtilityFtdi chipValue for moneyCompatibilityDesign
34 customers mention "Functionality"34 positive0 negative

Customers like the adapter's functionality. They say it works well on both PC and Mac, with no problems and communication between the radio and computers. The program runs smoothly under the Device Manager and has a great range of TTL.

"...Works fine in Linux as well. Nice touch to have a TX and RX LED to indicate traffic. Would buy these again!" Read more

"...This converter worked flawlessly the first time. It has a convenient ribbon cable which is extremely helpful...." Read more

"Works great" Read more

"Successfully flashed an esp board with it. No issues with comparability." Read more

18 customers mention "Voltage options"18 positive0 negative

Customers appreciate the voltage options of the electronic adapter. They find it easy to wire up and configure for different logic levels. The adapter allows you to switch between 1.8, 3.3, and 5V by a small jumper clip. The voltage adjustment jumpers change the level on power and data lines.

"...It has a selectable voltage from 1-5 volts, and I believe (based on some data sheets) that I was consuming 250 mA at 3.3V...." Read more

"I bought this because it had the jumper setting for several voltage ranges, was clearly labeled, has a nice enclosure to avoid shorting, and is FTDI-..." Read more

"Worked as expected! no problems and just changing a jumper can handle multiple voltages" Read more

"...Not a fake chip. Easy jumper setting to change output voltage to any (!) of 1.8/2.5/3.3/5v. Solid and well labeled (!!)..." Read more

11 customers mention "Ease of installation"11 positive0 negative

Customers find the installation process of the electronic adapter easy. They say it's simple to wire up and configure for different logic voltage levels. The jumpers are easy to use, and the instructions are clear. The case is simple, and all pins are exposed for use.

"...In a case, not a bare PCB. Not a fake chip. Easy jumper setting to change output voltage to any (!) of 1.8/2.5/3.3/5v...." Read more

"...Drivers downloaded directly from FTDI work without issue, flawless installation, transparent use, possibly the best 'it-just-works' UART solution I..." Read more

"Just received... Here is the photo of packaging.. I like it.. dummy proof instructions I don't think that is critical, as board has clear marking..." Read more

"...It comes with all the jumpers/cables you’ll need. Was plug and play." Read more

11 customers mention "Utility"11 positive0 negative

Customers find the electronic adapter useful and versatile. It's a great tool for engineers and DIYers, with clear pinout labels that are helpful even for beginners. The clear pinout is a nice feature and the plastic package around the adapter is good. Many mention it works well and fills the need.

"...It has a convenient ribbon cable which is extremely helpful...." Read more

"Nice piece of tech. Good price. The case is a nice touch to keep it protected but still let me see what I'm getting...." Read more

"This device is very useful. The clear labeling and variety of options for voltages make this a very versatile tool...." Read more

"...It's very handy, and you don't have to buy a separate adapter to deal with the different voltages." Read more

7 customers mention "Ftdi chip"7 positive0 negative

Customers like the FTDI chip. They say it's a real FTDI chipset, has variable voltage support, and works well. It's the most popular UART converter, and PCs like it without dealing with driver issues.

"...This one is hands down the best, probably because it uses a real FTDI chip...." Read more

"...was clearly labeled, has a nice enclosure to avoid shorting, and is FTDI-based. I've bought three or four now and have no complaints." Read more

"...In a case, not a bare PCB. Not a fake chip. Easy jumper setting to change output voltage to any (!) of 1.8/2.5/3.3/5v...." Read more

"FTDI is the most popular UART converter, PCs like it without dealing with driver issue. Also easy to select voltage as well." Read more

7 customers mention "Value for money"7 positive0 negative

Customers appreciate the value for money. They say it's better than cheaper versions, a nice piece of tech, and a good product overall.

"Nice piece of tech. Good price. The case is a nice touch to keep it protected but still let me see what I'm getting...." Read more

"In my humble opinion, this product is the best value you get for your money, and it works as described...." Read more

"...Nice feature and good plastic package around the board. Overall good product" Read more

"Much Better than Cheaper Versions..." Read more

6 customers mention "Compatibility"6 positive0 negative

Customers are satisfied with the adapter's compatibility. They say it works well on Windows 10 and Linux without special drivers.

"...Windows 10 just recognized the device with no special drivers. Works fine in Linux as well...." Read more

"Based on the FDTI chip so it was immediately compatible with my Windows 10 computer...." Read more

"This is probably the best USB-TTL adapter I've ever owned. I love the fact that you can change voltages...." Read more

"...adapter to flash an older router with Open WRT - the adapter worked perfectly on Windows 11 after installing the FTDI drivers from the website..." Read more

6 customers mention "Design"6 positive0 negative

Customers appreciate the design of the adapter. They find the case a nice touch that keeps it protected while still allowing visibility. The simple and functional design works well, as advertised. Customers also like the TX and RX LEDs.

"...Works fine in Linux as well. Nice touch to have a TX and RX LED to indicate traffic. Would buy these again!" Read more

"...RTS/CTS and even a power output. Magnificent, will recommend to all my friends." Read more

"Nice piece of tech. Good price. The case is a nice touch to keep it protected but still let me see what I'm getting...." Read more

"...Nice little unit!" Read more

Great device
5 out of 5 stars
Great device
This device works great, was able to repair the boot loader on a device and get root acces with this
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Top reviews from the United States

  • Attic Man
    5.0 out of 5 stars Very nice USB UART - supports 1.8, 3.3 and 5V
    Reviewed in the United States on August 24, 2024
    Verified Purchase
    Works perfect, I bought four of these for development boards that have both 1.8V and 3.3V signaling. Windows 10 just recognized the device with no special drivers. Works fine in Linux as well.

    Nice touch to have a TX and RX LED to indicate traffic.

    Would buy these again!
    One person found this helpful
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  • Christa Bartlett
    5.0 out of 5 stars Much Better than Cheaper Versions
    Reviewed in the United States on January 4, 2023
    Verified Purchase
    I needed to connect to a serial device that operated at an unusual baud rate, and bought a number of USB/UART converters. This one is hands down the best, probably because it uses a real FTDI chip. Problems that I have had with other converters: (1) problems with higher-speed and non-standard-speed communications, (2) vcc problems (voltage not matching 3.3V, and dropping further with the slightest current draw), (3) difficult-to-read labeling.

    This converter worked flawlessly the first time. It has a convenient ribbon cable which is extremely helpful. It has a selectable voltage from 1-5 volts, and I believe (based on some data sheets) that I was consuming 250 mA at 3.3V.

    Anyway, despite the fact that it is a bit pricy, it just worked, which ultimately saved me a lot more money than the cheap ones. I liked it so much I ordered a second one.
    Helpful
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  • Keith Smith
    5.0 out of 5 stars Connecting the wires is easy
    Reviewed in the United States on August 25, 2024
    Verified Purchase
    Works great
    Helpful
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  • Jeff Bevis
    5.0 out of 5 stars FTDI based, variable voltage support, just works.
    Reviewed in the United States on July 7, 2024
    Verified Purchase
    I bought this because it had the jumper setting for several voltage ranges, was clearly labeled, has a nice enclosure to avoid shorting, and is FTDI-based. I've bought three or four now and have no complaints.
    One person found this helpful
    Helpful
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  • Irina V.
    4.0 out of 5 stars Worked out of the box
    Reviewed in the United States on September 22, 2024
    Verified Purchase
    Unfortunately all 3 LEDs on the board are red. So, to understand what is blinking, you need to look directly at the board.
    Helpful
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  • Anonymous1234
    5.0 out of 5 stars Works well
    Reviewed in the United States on September 25, 2024
    Verified Purchase
    Successfully flashed an esp board with it. No issues with comparability.
    Helpful
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  • Daniel
    5.0 out of 5 stars Plug and play
    Reviewed in the United States on December 18, 2024
    Verified Purchase
    Worked as expected!
    no problems and just changing a jumper can handle multiple voltages
    Helpful
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  • Andrew Ross
    5.0 out of 5 stars GREAT serial adapter
    Reviewed in the United States on November 30, 2022
    Verified Purchase
    Hands down these are the best serial adapters I've used, and I've used a ton. In a case, not a bare PCB. Not a fake chip. Easy jumper setting to change output voltage to any (!) of 1.8/2.5/3.3/5v. Solid and well labeled (!!) pin headers for the signals, including (!!!) RTS/CTS and even a power output. Magnificent, will recommend to all my friends.
    Helpful
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Top reviews from other countries

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  • Ricardo
    5.0 out of 5 stars FTDI original
    Reviewed in Mexico on July 4, 2024
    Verified Purchase
    El chip es original, funciona de maravilla
    Report
  • Dreamers
    5.0 out of 5 stars WOW! DSD Tech outdid themselves with this
    Reviewed in Canada on July 25, 2023
    Verified Purchase
    Truly a great gadget, fairly priced considering i got in in 48 hours. Very handy device for microcontroller programming.

    I flashed a SP8285 with new firmware to run my Matek 405-WTE via wifi.

    1,2,3,5 V swap the pin. So cool. Comes with your cables. I taped some tape around the ends and labelled each to make it easier. COOL device!
    Report
  • HalFR
    5.0 out of 5 stars Connections de qualite = flashage reussi
    Reviewed in France on October 30, 2024
    Verified Purchase
    Achete pour remplacer des modules plus anciens qui plantaient quasi-systematiquement mes flashings de firmware Sonoff etc.
    A marche du premier coup sur un NSpanel.
    Il serait parfait s'il y avait un autre rang de connections femelles pour connecter la terre une deuxieme fois et mettre les modules Sonoff ou autres en mode Download.
    Report
  • Grzegorz Grabowski
    5.0 out of 5 stars Dobre urządzenie
    Reviewed in Poland on October 23, 2024
    Verified Purchase
    Wszystko ok, zgodnie z opisem.
    Report
  • Eugenio
    5.0 out of 5 stars Compatible con 1,8V
    Reviewed in Spain on September 21, 2024
    Verified Purchase
    Lo mejor, que puede trabajar con tensiones inferiores a 3,3V; llegando hasta 1,8V.
    Report