Questions tagged [arduino-ide]
This is for questions about the official 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.
1,581 questions
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Arduino IDE formatting quirk with nested lists
For an Arduino LED animation project I have been working on an editor tool using HTML and javascript. After setting up various things, the tool enables generating C++ code to paste into an Arduino ...
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2
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How to instantiate a 2nd serial port on STM32 Nucleo-C092RC
I am trying to use two serial ports on the STM32 Nucleo-C092RC, but the 2nd serial port (i.e. USART1) is completely silent (USART2 is the default serial port used by STLink/VCP/USB on the C092RC).
No ...
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Problems reading WNK811 i2c sensor on arduino using wire library without device library
I am trying to read a WNK811 pressure sensor connected by i2c to an STM32 Nucleo F401RE, programmed as arduino. The WNK811 is a Chinese device, the device datasheet is highly minimal (inadequate in my ...
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Error in Compiling for Seeed Xiao nRF52840 [closed]
I am using Arduino IDE 2.3.4 to program a XIAO nRF52840 Sense. I added the board using the instructions on the official getting started page.
After installing the board in Arduino IDE, I open up the ...
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New Freak UI @Arduino IDE v2.3.6 - 2025/05/21
This shXt stop after I turn off the power, and bring Notebook back to home. @@"?
No any configuratin changed, just power NB off and on.
How this shXt happened, and how it solved !? No idea...
...
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73
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Configuring the colors of the IDE
I do not like the dark theme at all and I set the Light theme, but the output background color is still black. I know that somewhere there is a file where it is possible to tweak the colors, but I ...
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ATTiny85 PWM on PB2 not working - only on/off, no fade
I have a custom ATTiny85 PCB with LEDs connected to GPIOs (PB0-4) through current-limiting resistors. All ports fade LEDs smoothly except PB2, which only switches on/off with no intermediate states.
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How Can I Get My ESP32 to Work with a 3.5-inch ILI9486-Based RPi Display Using SPI in Arduino IDE?
I'm working on a project where I need to connect my ESP32 (WROOM) to a 3.5-inch, 480x320 resolution LCD designed for the Raspberry Pi, which uses the ILI9486 driver (as suggested by the lcd wiki). I’m ...
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1
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ESP32 TFT_eSPI 8-bit Parallel Compile Error
I am compiling TFT_eSPI library for Arduino ESP32 in 8 bit parallel mode, When I Compile it in SPI mode then no error occurs, but when I select 8-bit parallel mode in User Setup File, then it shows ...
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Trouble Programming ATTINY1616 with Arduino Nano via UPDI: No Communication
I'm trying to program a board I designed with an ATTINY1616. The schematic is shown in the photo. I'm trying to connect an Arduino Nano. +5V and GND are shared, while the UPDI pin is connected to the ...
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0
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1
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How do I install Firmata so I can access it through the IDE on a computer that doesn't have internet access?
I recently installed arduino 2.3.2 IDE on to a computer without internet access, however, the Firmata library I had been using on the original computer which was the one I transferred the arduino15 ...
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1
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UNO R4, cannot open dfu device
New UNO R4 Minima, Aduino IDE 2.3.2 AppImage, Linux Fedora 40
Blink example compiles, but fails to upload. Tried swapping cables, ports, rebooted, reset twice fails to produce a dfu port.
Here are ...
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Where to find microcontroller settings in Arduino 2.x IDE
I'm using a wrapper (https://github.com/HenniePeters/ArduinoStarter) to start the Arduino 1.8.19 IDE.
Sometimes when I haven't worked on a project, I just forget the settings to make the compiler work....
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Why can my computer not see my Arduino Uno?
I've plugged my ELEGOO Uno R3 into a USB port on my computer with a USB cable. However, neither Arduino IDE nor my computer can see the device. When the Uno is connected, it shows no connected devices....
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Error: void value not ignored as it ought to be done = radio.read(&Irms, sizeof(float));
Good morning everyone, I had this sketch that worked now when loading the program gives me an error:
#include <Wire.h>
#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
...
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1
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deserializeJson() failed: NoMemory when sending Serial json using ArduinoJson
Hey all I have a sketch that takes up 99% of my storage space since I am using a Arduino Nano.
Although everything in my code fits as-is, there seems to be an issue with me sending a json string over ...
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3
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1
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Chrome-sandbox error in Arduino IDE 2.3 in Ubuntu 24.04
I'm trying to setup an installation of the IDE 2.3 in a Ubuntu 24.04 LTS (beta) environment, and am facing an issue I'm unable to resolve. The IDE gets to the GUI for accepting terms and conditions, ...
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Arduino_DebugUtils.h: No such file or directory
How to get rid of this error?
/storage/emulated/0/ArduinoDroid/userlibraries/Arduino_ConnectionHandler/src/Arduino_ConnectionHandler.h:26:34: fatal error: Arduino_DebugUtils.h: No such file or ...
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Removing the L from F_CPU in assembly
I am developing a mixed c++ /asm project.
In the asm I am using F_CPU to do some busy waiting as follows. However, by default, the F_CPU is defined with a trailing L (for long). The asm is not able to ...
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1
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Code for ST7789 NO CS pin - Using XIAO ESP32C3
I am trying to get anything out of this screen except for blackness. The CS pin is present based on the coupling or resistors and capacitors on the back of the display.
I have tried using the Arduino ...
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3
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Importing content of text file as string into Arduino code
Is there any macro for importing the content of a file (for example html code) located in the sketch folder as a string for the Arduino IDE during compilation time?
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How can I connect my ESP32-WROOM-32 to Arduino IDE?
I'm using this 'ESP32-WROOM-32' but I can't find the correct board in the IDE. I see the esp32-wroom-DA (edit, i took it to the store where i bought it and it worked fine with theirs. they were on ...
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1
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300
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Feather M0 doesn't show up as a COM or Serial port
I am trying to upload a simple blink program on my Adafruit Feather M0 Radio with LoRa Radio Module to ensure that it connects to my PC. So far, I have:
Gone through 4 data cables
Tested for ...
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2
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Having an issue conveying array values properly
this is my first time asking a question here, sorry in advance if this is a poor way to ask this question.
I'm at an intermediary point in coding a program, and at this stage I'd like my byte ...
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0
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Arduino IDE v 2.2.1 log file not limited in size (on Ubuntu 23.04)
I was learning/building with a new Arduino Nano ESP32 yesterday and left the Arduino IDE running overnight on Ubuntu 23.04 and it used all the space on my hard drive to write log files which broke my ...
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