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🚀 Elevate your hardware game with the ultimate USB to TTL adapter!
The DSD TECH USB to TTL Serial Adapter features the high-performance FTDI FT232RL chip, supporting data transfer speeds up to 921600bps. Compatible with Windows, Mac, and Linux systems, it offers flexible 3.3V/5V output and real-time LED status indicators. Ideal for programmers and hardware engineers, it ensures stable, reliable serial communication with a 12-month warranty and responsive customer support.









| ASIN | B07BBPX8B8 |
| Best Sellers Rank | #33,461 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #113 in Serial Adapters |
| Brand | DSD TECH |
| Brand Name | DSD TECH |
| Compatible Devices | Laptop |
| Connector Type | USB |
| Customer Reviews | 4.6 out of 5 stars 2,120 Reviews |
| Input Voltage | 5 Volts |
| Item Dimensions | 5.6 x 2 x 0.3 Centimeters |
| Item Package Quantity | 1 |
| Item Weight | 0.03 Kilograms |
| Item Weight Unit of Measure | 0.03 Kilograms |
| Item dimensions L x W x H | 5.6 x 2 x 0.3 Centimeters |
| Manufacturer Part Number | SH-U09C |
| Model Number | SH-U09C |
| Number of Items | 1 |
| Number of Ports | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | PC, Hardware, Microcontroller |
| UPC | 606479964241 |
| Unit Count | 1.0 Count |
| Warranty Type | 12 months warranty.if |
S**.
Good Solution for serial port converter.
Good Solution for Serial port converter, used to reset the Electronic devices. Thank you.
A**.
Highly recommend
I decided to purchase this one after so many crazy experiences I had with the cheaper options which are available at 10-15% of this product's price. This product absolutely blew my mind with the excellent build quality and flawless functioning. 100% value for money.
R**J
Your search ends here
Finally an FTDI which seamlessly programs any of the devices effortlessly and in a hassle-free way, be it a ESP01/8266 WiFi module or a Arduino Pro Mini or any one you wish to pick. Thus my search ended at this device, thanks to DSD Tech USB to TTL serial converter, the best. 5 stars and Highly highly recommended.
Y**E
Essential tool for debricking and flashing locked-down routers
A reliable, rock-solid USB to TTL Serial Adapter that gives you direct, low-level access to hardware. If you are into tinkering, flashing custom firmware, or recovering "bricked" electronics, this DSD TECH USB to TTL Serial Adapter is an absolute must-have for your workbench. I bought this for a specific weekend project: converting a locked-down $25 T-Mobile Cellspot (TM1900) into a fully unlocked ASUS RT-AC68U router. To perform that conversion, standard web-based firmware updates won't cut it. You need a direct, low-level hardware terminal connection to the router's processor—and this little adapter handled the job flawlessly. My Experience and Observations: • Genuine FTDI Chip Stability: The main reason I picked this specific adapter is the FTDI FT232RL chip. Cheaper serial adapters often use questionable clone chips that suffer from driver issues or erratic signal drops. This FTDI chip was recognized immediately by Windows without any driver headaches and provided a completely stable, rock-solid terminal connection throughout the entire process. • Essential for Low-Level Console Access: The adapter acted as the perfect physical bridge, converting my computer's USB signal down to the 3.3V TTL signal expected by the router's internal PCB headers. It allowed me to bypass the ISP's bootloader locks, interact directly with the CFE (Common Firmware Environment), dump my original MAC address backups, and clear the NVRAM manually. • The Ultimate "Debricking" Lifeline: When you're modifying bootloaders or flashing non-standard firmware, there is always a risk of a bad flash leaving you with a dead device. Having this serial connection hooked up to read real-time boot logs is the only way to diagnose boot failures and manually re-flash corrupted partitions. • Helpful Status LEDs & Voltage Switch: The onboard LEDs for TX, RX, and Power are incredibly helpful for verifying that data is actually moving back and forth when debugging. Plus, the jumper switch makes it very easy to toggle between 3.3V and 5V logic depending on what board you are working on. Final Thoughts: This $10–$15 adapter allowed me to transform a cheap $25 ISP unit into a high-performance, fully featured ASUS router that would have otherwise cost over $100. If you need a reliable serial interface for debricking routers, flashing microcontrollers, or hardware debugging, this DSD TECH unit is worth every penny. Highly recommended!
C**E
Adaptateur propre et fiable.
Propre parce que le boitier protège bien la clé et permet de la manipuler sans problème. Fiable parce qu'elle a fonctionné tout de suite sans avoir besoin de drivers (sous MacOS/Unix en mode terminal). Enfin, au niveau des plus : - Elle est livrée avec un câble de raccordement des pins (femelle-femelle), Que je n'ai pas utilisé car j'avais besoin de mâle-femelle, mais j'étais déjà équipé. - La puissance de sortie est suffisante pour alimenter/flasher un module ESP8266 (Shelly à rendre compatible Homekit). Pour le moment, j'en suis très content.
G**7
Ottimo prodotto
Adattatore uart perfetto e funzionale . Sono riuscito ad interfacciarmi coi un vecchio modem/router linksys bloccato e piallarlo a dovere prima di ricaricare firmware mod.
Y**N
Use for usb flashing
Honestly I havent used for some reason not related with product.
G**.
very good response time to email and potage
usb to rs232 works well easy to get up and running . no software (drivers) required for windows or linux
Trustpilot
1 week ago
2 weeks ago