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Questions tagged [arduino-ide]

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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.

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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 ...
spring's user avatar
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1 answer
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I am trying to debug using Arduino IDE through STM32Duino for my STM32 Nucleo-144 F767ZI. The code is uploaded successfully, but upon pressing debug, I get this error. Waiting for gdb server to start....
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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 ...
B M's user avatar
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I'm searching for the path and the source code for the builtin (I think) function, name is: renderBitmap(). This function appears as a member of the ArduinoLEDMatrix class but its name doesn't appear ...
Franck's user avatar
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I am trying to wire up the ESP 32 based Crunch-E keychain synth (gituhub repo with wiring diagram here). In my case I am using a 30 pin ESP Wroom 32 board with pinout diagram here. The Crunch-E wiring ...
ben's user avatar
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I build a PCB using ESP32-S3-WROOM-1-N16R2 Controller. I programmed a BME680 sensor with this MCU. My pinouts are, BME_SCK 38 BME_MISO 19 BME_MOSI 15 BME_CS 5 This is my Arduino code, #include <...
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I'm trying to program the ESP32 board with Arduino IDE. But The port it's not recogniized when working with esp32 in arduino ide 2.2.1. After some research I found that the port is not recognized by ...
Jose Marques's user avatar
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9 answers
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What are the advantages of each language when using the Arduino? I'm thinking this is a good general question, but I'll add a bit about why I'm asking if anyone wants to give me a tip. I'm ...
Friend of Kim's user avatar
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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 ...
fine line's user avatar
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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 ...
DrM's user avatar
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re. ESP32 Partition size and maximum program size Further to the above issue: The above is a neat little program. However, is there any way I can reference/extract the "app0” “partition->...
Rob's user avatar
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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. ...
Sean's user avatar
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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, ...
eccentricOrange's user avatar
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I have a Micro RP2040 board from SB Components. Link to this product With this I also have a 2.4 inch SPI TFT LCD screen with an ST7789 controller Link to the screen, it's on that page just scroll ...
Aadiraj Anil's user avatar
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1 answer
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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 ...
MHuff25's user avatar
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Recently bought a nano esp32 to play around with the small size and wifi module. However I'm plagued by the No DFU capable USB device available message. My efforts and deductions: I can connect to ...
Nebulous's user avatar
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Here there, recently I am testing Lora Ra-02 module I saw many videos and it is easy to set up, according to this schematic: LoRa SX1278 Module-----Arduino Nano Board 3.3V------- Gnd---------Gnd En/...
Asif Uz Zaman's user avatar
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3 answers
891 views

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?
Ali.kavari76's user avatar
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1 answer
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I'm using quite a few different types of microcontrollers with the Arduino IDE (v 1.8.19). Several AVR-based boards, but also ESP32 and Arduino Due. Particularly the newer boards have a quite long set ...
PMF's user avatar
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2 votes
2 answers
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I have two ESP32 cards. I want to set one of these cards as Master and the other as Slave and communicate via SPI. I have done this before on Arduino Uno, but I cannot do this on ESP32. Below are my ...
Enes Orhan's user avatar
  • 101
2 votes
2 answers
6k views

Currently i have a project that forced me to make a program that receives several data from Serial Input using Interrupt in Arduino. I use Arduino as the receiver and ESP32 as the sender through ...
Zero's user avatar
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5 votes
0 answers
960 views

I am using ESP-WROOM-32D in STA mode with Arduino IDE(2.0.5) ESP32 board(2.0.9). I am trying to do http post request with ESP32. Router that provides internet supports only IPv6. Here I am getting ...
dharmikP's user avatar
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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....
elvishpotato's user avatar
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199 views

THIS IS NOT A DUPLICATE QUESTION. My main problem is that whenever I attach the third RC522, the whole system becomes unstable. When I attach the fourth, suddenly one or two of the modules stop ...
Arman Asgharpoor's user avatar
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-1 votes
2 answers
109 views

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 ...
Fabio Dalla Libera's user avatar
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