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Error compiling for Arduino Uno R4 Minima
July 4, 2025
12:56 am
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nbesnerson
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June 18, 2022
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Hi,

In trying to get an Arduino Uno R4 Minima working with "Digital Output - Blink LED.vi" I keep getting the following error (Using Arduino IDE 1.6.6) :

 

1.0.0.21, Arduino UNO R4 Minima
Loading configuration...
Initializing packages...
Warning: platform.txt from core 'Arduino AVR Boards' contains deprecated recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{build.path}/{archive_file}" "{object_file}", automatically converted to recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{archive_file_path}" "{object_file}". Consider upgrading this core.
Preparing boards...
Verifying and uploading...
Warning: platform.txt from core 'Arduino AVR Boards' contains deprecated recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{build.path}/{archive_file}" "{object_file}", automatically converted to recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{archive_file_path}" "{object_file}". Consider upgrading this core.
In file included from C:\Users
ed\AppData\Local\Temp\58e9973bb6e2e908c6c199f5a9d39075.tmp\temp\temp.ino:1:0:

C:\Users
ed\Documents\Arduino\libraries\LVArray/LVArray.h:22:10: fatal error: Stream.h: No such file or directory

#include "Stream.h"

^~~~~~~~~~

compilation terminated.

exit status 1
Error compiling.

Any help would be appreciated, let me know if you need any other information.

NB

July 7, 2025
8:15 pm
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geadmin
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March 10, 2015
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Looks like you are missing the Stream library.  Although the R4 boards are new and officially not supported, they still may work.  Take a look to see why you are missing the Stream library in your Arduino core installation.  It should be at [PROGRAM FILES]\Arduino\hardware\arduino\avr\cores\arduino.  If you don't see it, you might need to re-install your IDE.  

July 8, 2025
3:27 am
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nbesnerson
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I did manage to get it working. I think there were some path issues from previous installations or something.

There seems to be a false positive error that occurs even though the process completes without a problem.

The standard Error dialog pops up with "The compiler encountered a problem..." even though there is no error condition present.

 

Complete Error Log Details:

1.0.0.21, Arduino UNO R4 Minima
Loading configuration...
Initializing packages...
Preparing boards...
Verifying and uploading...
dfu-util 0.11-arduino4

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2021 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to http://sourceforge.net/p/dfu-u.....l/tickets/

Opening DFU capable USB device...
Device ID 2341:0069
Run-Time device DFU version 0101
Claiming USB DFU (Run-Time) Interface...
Setting Alternate Interface zero...
Determining device status...
DFU state(0) = appIDLE, status(0) = No error condition is present
Device really in Run-Time Mode, send DFU detach request...
Device will detach and reattach...
Opening DFU USB Device...
Claiming USB DFU Interface...
Setting Alternate Interface #0 ...
Determining device status...
DFU state(2) = dfuIDLE, status(0) = No error condition is present
DFU mode device DFU version 0101
Device returned transfer size 64
Copying data from PC to DFU device

Download [ ] 0% 0 bytes
Download [= ] 4% 1600 bytes
Download [== ] 8% 3136 bytes
Download [=== ] 12% 4672 bytes
Download [==== ] 16% 6272 bytes
Download [===== ] 20% 7808 bytes
Download [====== ] 24% 9344 bytes
Download [======= ] 28% 10944 bytes
Download [======== ] 32% 12480 bytes
Download [========= ] 36% 14016 bytes
Download [========== ] 40% 15616 bytes
Download [=========== ] 44% 17152 bytes
Download [============ ] 48% 18688 bytes
Download [============ ] 51% 19904 bytes
Download [============= ] 52% 20288 bytes
Download [============== ] 56% 21824 bytes
Download [=============== ] 60% 23360 bytes
Download [================ ] 64% 24896 bytes
Download [================= ] 68% 26496 bytes
Download [================== ] 72% 28032 bytes
Download [=================== ] 76% 29568 bytes
Download [==================== ] 80% 31168 bytes
Download [===================== ] 84% 32704 bytes
Download [====================== ] 88% 34240 bytes
Download [======================= ] 92% 35840 bytes
Download [======================== ] 96% 37376 bytes
Download [=========================] 100% 38836 bytes
Download done.
DFU state(7) = dfuMANIFEST, status(0) = No error condition is present
DFU state(2) = dfuIDLE, status(0) = No error condition is present
Done!

July 8, 2025
9:48 pm
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geadmin
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March 10, 2015
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Looks like that is because there are some "error" text instances in the Log details and the Compiler triggers off any error text in the output even though it is "No Error" in this case.  Prior boards only printed error text when there was an error.  You could try disabling verbose outputs with the "show verbose output" option in the IDE Preferences if they are currently enabled.

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