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Topic: Reflash bootloader - Arduino Uno Wifi Rev.2 (Read 301 times) previous topic - next topic

Airvale

Jul 17, 2019, 10:50 am Last Edit: Jul 17, 2019, 10:54 am by Airvale
Hi,

I never tried to reflash bootloader on a shield, but since I've got a problem I can't solve with my Arduino Uno Wifi Rev.2 (avrdude: usbhid_open (): No device found) I would like to do it.

Has anybody already tried to reflash bootloader on Arduino Uno Wifi Rev.2?
How can i do it?
Do I necessarily need another Arduino Uno Wifi Rev.2 to do the procedure or I can use others Arduino shields?
Could you please give me some tips?

Thank you!

Juraj

#1
Jul 17, 2019, 11:16 am Last Edit: Jul 17, 2019, 11:18 am by Juraj
it doesn't have bootloader. the 'USB chip' is a programmer.
4809 doesn't support ISP. the ICSP header is only for SPI connection of shields
You can't write an Arduino sketch if you didn't learn programming. Not the language, but the concepts of programming - algorithms and data types.

Airvale

#2
Jul 18, 2019, 09:33 am Last Edit: Jul 18, 2019, 09:34 am by Airvale
Thank you Juraj for your clarification.

Have you any idea how to approach the following errors when I try to upload the program?

Code: [Select]
avrdude: usbhid_open (): No device found
avrdude: jtag3_open_common (): Did not find any device matching VID 0x03eb and PID list: 0x2145
An error occurred while uploading the sketch

Thank you in advance.

Juraj

Thank you Juraj for your clarification.

Have you any idea how to approach the following errors when I try to upload the program?

Code: [Select]
avrdude: usbhid_open (): No device found
avrdude: jtag3_open_common (): Did not find any device matching VID 0x03eb and PID list: 0x2145
An error occurred while uploading the sketch

Thank you in advance.
https://forum.arduino.cc/index.php?topic=600558.msg4158135#msg4158135
You can't write an Arduino sketch if you didn't learn programming. Not the language, but the concepts of programming - algorithms and data types.

ballscrewbob

Other post removed please do not cross post as it wastes time and effort of those who volunteer to help.

Bob
It may not be the answer you were looking for but its the one I am giving based on either experience, educated guess, google or the fact that you gave nothing to go with in the first place so I used my wonky crystal ball.

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