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Questions tagged [arduino-ide-2]

Use this tag for questions specific to version 2 of the Arduino IDE. The open-source IDE makes it easy to write code and upload it to any Arduino board. It runs on Windows, macOS and Linux.

This tag is for questions about the official Arduino IDE version 2. This open-source IDE [Github] makes it easy to write code/sketches and upload it/them to any Arduino board. The IDE runs on Windows, macOS and Linux.

Virtually all beginner tutorials use the Arduino IDE. You can write the code, select the correct COM port, and then click "upload." Other IDEs may require more configuration and not be as user friendly. It is available as a standalone application or installer on Windows.

Hello World in Arduino IDE 2 on Windows 10

For more information about Integrated Development Environments in general, see the tag.

12 questions
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How to fix the scambled output of the emojis in Arduino IDE 2?

I have relatively simple code printing some emojis: void loop() { // put your main code here, to run repeatedly: Serial.println("Hello world ❤‍♀️‍♂️✔"); } Just in case it doesn't render very well, here's an image on how it looks like in Arduino…
Thomas Weller
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List of supported boards in Arduino IDE 2.0

Where can I find the list of supported boards in Arduino IDE 2.0 without installing the IDE? Googling it was not fruitful. Specifically, I'm looking for ESP32-S3 support.
Paul Jurczak
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Why does my IDE fail to open files?

I'm using Version: 2.0.3 - Date: 2022-12-05T09:30:25.33 on Windows 10 Pro. Installed under Local user - not for all users. When I try and open a ino file (either double clicking on a ino file - or file->Open) - it spawns a new window - but then I…
willwade
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1 answer

Arduino Output Panel Font Color Change

I am using Arduino IDE 2.0.3. When compiling code if there is an error it shows on a black background with a red font, that is hard for me to read. Can I change either the background or the font? Looking within the IDE I don't see how and not…
user224844
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1 answer

How do I reset the recently used commands in Arduino IDE 2?

I am recording videos on Arduino IDE version 2. In one of the videos I want to explain how to enable a specific setting via the advanced properties. This requires using Ctrl+Shift+P (command palette). However, my Arduino IDE now shows some commands…
Thomas Weller
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1 answer

How to get rid of the second tab in Arduino IDE 2?

For a reason unknown to me, Arduino IDE 2.0.3 opens two tabs with the same name for this sketch. I'm not able to reproduce how to get into this situation. Changes in one tab immediately changes the other tab as well. How can I get rid of the second…
Thomas Weller
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Blank Preferences on Arduino IDE 2.0.1

I just install this new IDE on my pc. Yesterday, I changed my sketch folder location on preferences. And when i need to change it again, the preferences shown nothing. Ive restart my pc and its not working. How to solve this? Should I reinstall this…
Meiko.
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2 answers

No SPIFFS data upload in Arduino IDE 2.0.0-rc3 (ESP32 & TTGO) - Ubuntu

I tried adding esp32fs.jar to /home/myname/Arduino/tools/ESP32FS/tool (and a few other places as it looked likely that the jar file wasn't loading). I've definitely got the correct board selected, and can upload Sketches. I can also run the demo…
HardlyNoticeable
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Serial monitor constantly reads input with unknown characters

I am trying to read input from the serial monitor on my Arduino UNO using the new Arduino IDE 2.0 and send a specific infrared signal depending on the command. I do this using the following code: #include /* * Define macros for input…
JohnDizzle
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1 answer

Arduino IDE 2.0 Beta doesn't start

Yesterday i downloaded the new version of the IDE to take advantage of all the new features, but it just won't open. I tried installing it to different paths, different PC's, i deleted the package_index.json and the cache folder, but nothing. It…
Rozakos
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Can I configure the highlighting for escaped characters in a string?

Given a simple mistake like void setup() { Serial.begin(9600); } void loop() { Serial.println("\"); // note: " is escaped, so this won't compile } This is rendered in Arduino IDE 2.0.3 as and the problem is hard to spot. The Jetbrains…
Thomas Weller
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Just installed Arduino 2.0.3 - what is windows path to associated libraries?

Just installed Arduino 2.0.3 and I attempted to build a sketch which includes a library that I manually installed in version 1.8.19 and it can't be found: In my program I have #include Now, attempting to compile it cannot find the…
raddevus
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