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  VS Arduino › Visual Micro › Installation & Troubleshooting › Arduino M0 - Avrdude: Programmer is not responding
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Hot Topic (More than 8 Replies) Arduino M0 - Avrdude: Programmer is not responding (Read 16879 times)
Phil D
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Re: Arduino M0 - Avrdude: Programmer is not responding
Reply #20 - Nov 30th, 2025 at 2:14pm
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Okay, my quick dirty fix for this, which means I can upload normally now from Visual Micro was to edit the boards.txt file at:

C:\Users\Phil\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.8.14

Find the entry for the board in question in the board.txt file, in my case it was Arduino M0 and simply add -u after the protocol then restart Visual Studio

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mzero_bl.upload.protocol=stk500v2 -u


This then gets added to the command line, and uploads are all working without the long delays.
  
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Phil D
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Re: Arduino M0 - Avrdude: Programmer is not responding
Reply #21 - Nov 30th, 2025 at 2:18pm
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Tim@Visual Micro wrote on Jun 28th, 2017 at 1:51pm:
Great thanks. That helps. It is either a problem with the working directory or with the stray -V in the command

1)
Please try this, I have removed a stray -V

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.3.0-arduino9\bin\avrdude  e\6.3.0-arduino9/etc/avrdude.conf" -v -v -patmega2560 -cstk500v2 -PCOM15 -b57600 lease/JouleTest.ino.hex:i"


2)
Then change to the arduino.exe folder and try it again. By running from the arduino ide folder the working directory will be different.



Thanks very much!


I wonder if that stray -v should actually be a -u  (see above posts) 
« Last Edit: Nov 30th, 2025 at 2:18pm by Phil D »  
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Simon@Visual Micro
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Re: Arduino M0 - Avrdude: Programmer is not responding
Reply #22 - Dec 1st, 2025 at 12:26pm
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Thanks for the update and we will look at adding this in for the M0 / M0 Pro Boards, and update this thread when it is released for download.
  
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Simon@Visual Micro
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Re: Arduino M0 - Avrdude: Programmer is not responding
Reply #23 - Dec 3rd, 2025 at 3:08pm
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We have added this fix into the latest version of vMicro (25.1009.3) for the M0/M0Pro Arduino Boards, which can be downloaded from the top of the below board:
https://www.visualmicro.com/forums/YaBB.pl?board=VS_ARDUINO_EXT_RELEASES
  
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Phil D
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Re: Arduino M0 - Avrdude: Programmer is not responding
Reply #24 - Jan 25th, 2026 at 4:47pm
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Simon@Visual Micro wrote on Dec 3rd, 2025 at 3:08pm:
We have added this fix into the latest version of vMicro (25.1009.3) for the M0/M0Pro Arduino Boards, which can be downloaded from the top of the below board:
https://www.visualmicro.com/forums/YaBB.pl?board=VS_ARDUINO_EXT_RELEASES


That's super news, thank you.
  
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