When used with arduino, what programmer do you select in the arduino ide?

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.

Is this compatible with the standard linux kernel and/or modules?

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

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?

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.

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?

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.

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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

Product ID: 63839802

Details

Color
Black
Compatible Devices
Desktop Laptop
Connector Type
USB Type A
Item dimensions L x W x H
2.2 x 0.8 x
Specific Uses For Product
Laptop

⚡900Kbps max speed

💡LED TX/RX/Power indicators

🔌FTDI FT232RL chip

₹ 2456

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Description

🚀 Unlock your device’s potential with the ultimate USB to TTL adapter!

ROCK SOLID STABILITY - Powered by the trusted FTDI FT232RL chip, ensuring consistent performance across Windows and Mac OS.
PLUG PLAY SIMPLICITY - Native driver support for Windows 11/10/7 and Mac means zero hassle, zero downtime.
VERSATILE VOLTAGE SUPPORT - Easily switch between 3.3V and 5V outputs with a clear jumper—no guesswork, no risk.
BLAZING FAST DATA TRANSFER - Experience ultra-reliable 900Kbps communication speeds for seamless debugging and device control.
INSTANT DEBUGGING FEEDBACK - Built-in LED indicators keep you informed on TX, RX, and power status for real-time monitoring.

The DSD TECH SH-U09C USB to TTL Serial Adapter features the high-performance FTDI FT232RL chip, delivering up to 900Kbps data transfer speeds. Compatible with Windows 11, 10, 7, and Mac OS, it supports both 3.3V and 5V logic levels via jumper selection. Equipped with LED indicators for transmission, reception, and power, this compact adapter ensures reliable, plug-and-play serial communication for debugging and device programming, backed by a 12-month warranty.

Specifications

ASIN	B07BBPX8B8
Best Sellers Rank	#63 in Serial Adapters #5,256 in Cables & Accessories
Brand	DSD TECH
Built-In Media	USB to TTL Serial Adapter with FTDI FT232RL
Color	Black
Compatible Devices	Desktop, Laptop
Connector Type	USB Type A
Current Rating	0.5 A
Customer Reviews	4.6 4.6 out of 5 stars (2,142)
Finish	Matte
Input Voltage	5 volts
Item Dimensions	2.2 x 0.8 x 0.1 inches
Item Weight	0.03 kg
Manufacturer	DSD TECH
Mfr Part Number	SH-U09C
Model Number	SH-U09C
Nominal Power	15 watts
Number of Items	1
Number of Ports	1
Package Quantity	1
Power Plug Type	No Plug
Specific Uses For Product	Laptop
UPC	606479964241
Unit Count	1 Count
Warranty Description	1-year-warranty
Warranty Type	Limited

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₹ 2456

Duties & taxes included

In stock

Sold byAmazon IndiaDelivered 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 India.

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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