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Quick, easy way to brick a NDLR
#1
This morning I started a new Teensy project.  Downloaded the latest Teensyduino, plugged in a Teensy 3.2, opened Blink, and hit the download button.

My NDLR was connected on another USB port.  And you can guess what happened next -- I flashed Blink onto the NDLR.

So now I know there's a Teensy inside the NDLR, and I can see its amber LED blinking away.

I was able to reinstall the NDLR firmware easily enough; after all, I already had the Teensy loader open.  So this story is a comedy, not a tragedy.
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#2
(02-27-2020, 08:57 AM)kbob Wrote: This morning I started a new Teensy project.  Downloaded the latest Teensyduino, plugged in a Teensy 3.2, opened Blink, and hit the download button.

My NDLR was connected on another USB port.  And you can guess what happened next -- I flashed Blink onto the NDLR.

So now I know there's a Teensy inside the NDLR, and I can see its amber LED blinking away.

I was able to reinstall the NDLR firmware easily enough; after all, I already had the Teensy loader open.  So this story is a comedy, not a tragedy.
Whoooh, there is a special type of anxiety that is specific to flashing firmware updates, I once bricked a Novation Circuit doing an upgrade, and my-oh-my, what a tense 20 minutes that was discovering whether or not there's a way to bring it back (spoiler alert, there is!) I'm glad you were able to figure that out without too much trouble.
Jesse
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#3
That's the reason we love the Teensy platform, its virtually unbrickable with the dedicated firmware loader MCU. So far (knock on wood) we haven't had a unit brick yet.

By the way, you can probably identify the Teensy parts in this picture.
   
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