Hello
I`ve recently uploaded bootloader on my customized arduino nano 33 IoT board via "Microchip Studio".
Now the board can be recognized on the device manager as "Arduino nano 33 IoT bootloader (COM)", however, I still can not upload any sketches on the board.
Is there something that I miss? Or should I upload bootloader via other tool?
did you try double reset to activate the bootloader?
Yes, I have tapped the reset button twice, but the board could not exit from bootloader.
The board is represented as Arduino nano 33 IoT bootloader on device manager.
what upload problem do you have? copy here the upload command and its output
I followed "the process" of this page
I also used bin file named "bootloader-nano33iot-v3.14.0" from this page
(These files are latest version that released on January)
With this procedure, upload has completed. The board is recognized as Arduino bootloader as following image. The problem is the board cannot recognized in Arduino IDE.
The board cannot be recognized in Arduino IDE as following image. It still recognized as just bootloader in device manager.
(I don`t know why but bot has hiden my last post. So I write a new post.)
that is no the Arduino bootloader.
the Adafruit bootloader you used only works witch Adafruit SAMD boards package
Excuse me but I cannot understand that is not arduino bootloader. Then why the file is written as Arduino nano 33 Iot and why device manager is recognizing the board as Arduino bootloader?
Can you explain in more detail the difference of "Adafruit bootloader" and "Arduino bootloader" that I really needed for?
+Addition) I saw a lot of bootloader uploading process with other Arduino device. Then, can I upload bootloader with those solutions?
Adafruit made an uf2 bootloader. the device appears as a USB drive and you copy the upload there. Adafruit has a modified SAMD core for their boards, but support the Arduino boards with bootloader replaced to uf2 bootloader too
bootloader by Arduino uses the common upload over com port.
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