Unable to connect to Thumby

vapeto

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I have opened up the IDE in both Chrome and Edge and neither one of them has any devices listed when I click CONNECT THUMBY. I can see that Thumby is in device manager as USB Serial Device (COM3) as soon as I plug it in. I am on Windows 11 if that makes any difference. 

Edit: I can even connect to the serial port using Putty and see following output:

Code: [Select]
DPAD left pressed!
Press DPAD right
DPAD right pressed!
Press DPAD up
Press DPAD down
Press A (right)
Press B (left)
B pressed!
Battery: 4.02
Playing audio test, hold right DPAD to stop
« Last Edit: February 16, 2022, 04:24:12 PM by vapeto »


vapeto

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The problem is in repl.js:

Code: [Select]
        this.USB_VENDOR_ID = 11914; // For filtering ports during auto or manual selection
        this.USB_PRODUCT_ID = 5;    // For filtering ports during auto or manual selection

The PID for my THUMBY is 000A which is 10.


vapeto

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Seems like my THUMBY was not provisioned right. It was most likely in some kind of factory test mode. To fix it I had to:

1. go to https://tinycircuits.github.io/
2. download firmware from UTILITIES -> DOWNLOAD FIRMWARE
3. power off THUMBY, plug in the USB
4. hold down the d-pad down button and power on THUMBY - this boots up the Pico in a mode that shows up as a drive on your PC
5. drag and drop the firmware into the THUMBY drive. This will disconnect THUMBY and leave it with no working screen
6. go back to https://tinycircuits.github.io/
7. CONNECT THUMBY
6. Now Filesystem tab shows empty
7. Click FORMAT to load all files again
8. Disconnect and reboot


lennevia

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Yes, you definitely had the test code. Sorry about that. I'm glad you were able to sort it out and get the updated software from the IDE.


 

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