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Model:SH-U09C
This FTDI USB-TTL Adapter offers stable PC-to-MCU communication (3.3V/5V via jumper), LED status indicators, 3Mbps speed, and cross-platform compatibility (Windows/Mac/Linux). Includes 6-pin cable—ideal for Arduino, Raspberry Pi, and DIY projects.
High-Stability FTDI Chip
Powered by the FT232R chip for reliable USB-TTL communication, ensuring stable data transfer (up to 3Mbps) and compatibility with Arduino, Raspberry Pi, and IoT devices.
Dual Voltage & Debugging LEDs
Switch between 3.3V/5V output via jumper and monitor real-time status with TX/RX/Power LEDs, simplifying debugging for MCUs, routers, and DIY projects.
Cross-Platform Compatibility
Works seamlessly on Windows, macOS, and Linux systems (XP to Win11, OS X 10.3+), with drivers available from FTDI for hassle-free setup.
DaveW
2025-07-23 14:39:13
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.
bpauly5
2025-07-19 19:09:46
Absolutely consistent results with this board. I really like the 3.3v / 5v selection jumper, too.
Robert P.
2025-07-17 16:07:51
I bought this adapter to interface a uBlox Neo-8M GPS module to use as a time reference with PPS to create a stratum 1 NTP server on Windows 10. It powers the GPS with no problem. I soldered a lead to the CD (carrier detect) hole on the PCB and connected it to the PPS output of the GPS module. It works, but be careful. It appears that the RS-232 control signals (CD, CTS, RTS, DTR, DSR, etc) are inverted. So my PPS driver was triggering on the falling edge of the CD signal instead of the leading edge. I was able to compensate for this by using an offset.
jb
2025-07-13 12:25:18
Update: The boards work perfectly in every way, except with the Reyax RLYR998 LoRa boards. On Windows, Linux, Raspberry Pi, or Android, they just will not work with the LoRa board. I have returned the boards and changed my rating from 5 to 4.I had no installation problems at all. The boards are seen as "com12" on Windows and "/dev/ttyUSB0" on Linux and Raspberry Pi. I found that the "cutecom" program is available on all three platforms, which gives me a good way to use them for initial testing or to interface to Reyax LoRa radios. Using various online examples, I was able to make a little Raspberry Pi Python program use the boards.Other terminal programs that worked for me are:"Serial USB Terminal" on an Android phone,PuTTY,HTerm, gtkterm, screen, cu and Picocom on Linux,PuTTY and Terminal.exe on Windows.However, I came to learn that that the Raspberry Pi has its own "UART" built into the GPIO pins. If you want to control a Reyax LoRa Radio from the Pi, you don't need these DSD Tech boards at all. Just hook up to the proper GPIO pins, enable serial I/O in raspi-config, and specify /dev/ttyAMA0 instead of /dev/ttyAMA0. From a Python program, the GPIO pins and the DSD Tech board are used in exactly the same way.
mastamokei
2025-07-08 16:38:25
If you're trying to flash something like an ESP8266 which require >500mA using the VCC output on this thing, it won't work you'll need a separate power supply. Otherwise, really nice PCB, enclosure, jumper selection, etc. Yes USB power is supposed to be capped at ~500mA but for some reason other cheaper ones I used worked for ESP8266. Maybe this one is actually so good, that it's in spec lol. Overall, quality here is top notch, can't really dock any stars
D@rkFX
2025-06-27 10:33:02
Plug and play on Windows 11, no additional drivers required. Used flashmagic tool and instructions I found online to put the T962A into bootloader mode then flashed like a champ. Likely won’t have to ever use it again but good quality for peace of mind.
Customer
2025-06-22 21:06:20
I like the switchable voltage levels, either 5v or 3.3. this unit is well made and works with windows without any problems. I purchased this unit after having some problems with other off brand adaptors. happy with the DSD tech brand quality.
Erick
2025-06-19 14:16:58
Used it to un-brick my old PSP, worked great!
Pedro Serrano
2025-06-12 11:04:33
Lo usé para programar un carro electrico a través de mi PC.Funcionó sin problemas.Recomendado
Trevor
2025-05-20 11:10:31
Good purchase. Works as i expected.
SANTHOSH P.
2025-03-08 10:13:20
Good Solution for Serial port converter, used to reset the Electronic devices. Thank you.
George Plavsic
2025-03-07 17:43:20
VERY HAPPY WITHTRANSACTIONS.
Yan Nyein
2025-02-11 17:42:02
Honestly I havent used for some reason not related with product.
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