Unable to connect Arduino UNO R3 to Win11 laptop

Development Tools IDE 1.x
1

I opened the Starter Kit; Downloaded and installed Arduino app 1.8.19, plugged in USB to Arduino and laptop. Windows responded with the "Device Connected" sound (jingle). The Arduino pin 13 LED starts to slowly flash, once per second. I attempted to go to the first "Blink" example in the Started Kit book, but I cant get a sketch to load. Checked for Win11 drivers but all info reflects that Windows should already have proper drivers for Arduino. Checking Device Manager Port 3 shows associated to "Arduino Uno" . Attempting to "update drivers" responds with current driver loaded. I have verifed Win11 is fully updated. Checking other forums and internet knowledge sources, there is indication my laptop's USB3.0 is too fast for the Arduino (?), so I connected a USB2.0 hub. Same behavior, the pin 13 LED flashes slowy and does not communicate with the Arduino software. So know Im confused. Any help, ideas, directions or referrals would be greatly appreciated. ALSO is this issue has already been answered in the forum, please post a link. I did search the forum but did not find anything related. I very possibly missed it.

Thank you for your help.

2

The "Blink" sketch makes the led flash once per second.
So change the delay(1000) to delay(500) to see if it makes a difference.

3

Did you select that port in the tools menu?

When you get an error, there should be a "copy error messages" at the right in the orange bar. Click it and paste the error message here in a reply; please use code tags (the </> button in the reply window)

Not going to help if one can't upload.

4

What happens when you try?

5

Thank you all who have commented. As a "new" user, I was given the warning that I can only mention "two users" in the forum, so I can't reply to each of you directly. Please find the replies individually below:

ZX80
The LED began to flash the very first time I connected it to the laptop. Prior to me launching the app. Unless the "blink" sketch was preloaded to the Arduino from factory, then the sketch would not be controlling it. I don't believe that's the issue, but as a diagnostic I will try to modify the delay to see what effect if any it has. Thank you for the suggestion.

sterretje
Yes I had seleted the port in the Tools menu. I am away from my workbench until later today. Once I am able to get back to the Arduino, I will paste the error messages. Thank you.

johnwasser
I recall when I attemped to load the sketch there were errors that were generated. I don't recall exactly the message text as I am away from my workbench at the present. Once I get to it later this evening, I'll report on what I find. Thank you as well.

6

Connected USB2.0 hub to laptop, then Arduino to USB2.0 hub. Windows responds with device added jingle.

Launched Arduino app,

Tools>Port shows Port: "COM3 (Arduino Uno)"

In lower right hand corner of app, it reads "Arduino Uno on COM3"

Connected USB2.0 hub to laptop, then Arduino to USB2.0 hub. Windows responds with device added jingle.

Test 1:

In app, I modified the script from delay(1000) to delay(100)

Compiled without error

Upload works!

The LED now flashes rapidly.

Test 2:

Made following modifications:

"HIGH" delay(2000)

"LOW" delay(50)

Compiled without error

Upload works!

LED has very long on, and a very quick off.

Unplugging the Arduino from the laptop, Windows responds with the device disconnect jingle. Plugging it back in, Windows responds with device added jingle, and Arduino continue to run "Test 2" sketch on long on, brief off.

Removed USB2.0 hub. Connected Arduino directly to onboard USB3.0 port. Windows responds with device added jingle.

Test 3:

Made following modifications:

"HIGH" delay(50)

"LOW" delay(1000)

Compiled without error

Upload works!

LED has very brief on, and a long off

So apparently the Arduino had the blink code uploaded from factory. Now that I know this, I reset the code to blink on and off at delay(1000) as verification the board is connected and working.

Thank you everyone that helped my understanding. I’m back to the Starter Kit book to continue my lessons. I have a very large project I’m hoping to complete by Halloween so I have a long ways to go in understanding animatronics. I am excited and glad to have found this forum.

Thank you again.