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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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I'm planning to buy an ESP8266. Do I really need to learn Lua to play with it? I have seen some people using it with the standard Arduino IDE. Do you need a custom firmware to use the Arduino IDE ...
Rohit Gupta's user avatar
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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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4 votes
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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 ...
timemage's user avatar
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I'm logging some data using an ESP32 board, and I need the data logged to be uploaded from the ESP32 to one of my repositories on GitHub. Are there any C++ libraries for the GitHub API compatible with ...
Juraj's user avatar
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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 ...
B M's user avatar
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1 answer
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I am plotting the graph of some sensor values on my Arduino serial plotter which looks something like this - But what I want to do is hover over any point on the graph and display the time at that ...
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1 answer
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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 ...
hcheung's user avatar
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1 vote
1 answer
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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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2 votes
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I want to make a HID Keyboard out of Arduino UNO, in UNO board the script runs perfectly fine, but the UNO board requires me to flash it every-time I want to put in a new script in it, so can I do the ...
Community's user avatar
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2 answers
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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 ...
Tsion Moges'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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1 answer
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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 ...
Community's user avatar
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-1 votes
1 answer
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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 ...
timemage's user avatar
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2 votes
0 answers
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Is there a simple way to use the Arduino libraries in Atmel Studio 6 or 7? Already tried it with include path but thats a never-ending story. Looking for a precompiled .a file for the Arduino Due so I ...
michael86's user avatar
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3 votes
3 answers
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I want to control an AC load such that it powers on for 1 minute, then turns off for 1 hour, then on again for 1 min, and so on, in a loop. I just modified the blink sketch to do: Turn A1 on Then ...
Greenonline's user avatar
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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... ...
James's user avatar
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3 answers
659 views

I am trying to capture the verbose output of the compilation to get it into a text file. I am using the IDE 1.8.12 running on Windows 10. I have tried looking for a right mouse button context menu, ...
the busybee'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 ...
tepalia's user avatar
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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 ...
AngMas's user avatar
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1 vote
0 answers
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How do I get the full range of motion from an analog joystick and the ESP32 WROOM32E using the Arduino IDE with esp-idf installed? Using a 2 axis analog joystick, the 5v/3.3v pin, ground pin and the ...
Gil Sven's user avatar
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10 votes
1 answer
15k views

How can one close a tab in the Arduino IDE? There is a Tab button (little triangle) with the Option "Delete"(kind of misleading term). There is no "Close" option. And the "...
chicks's user avatar
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1 answer
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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> ...
Community's user avatar
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2 votes
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 ...
Atsushi Yokoyama's user avatar
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6 votes
2 answers
7k views

I have just started with Arduino and C++ so I apologise if my question is very basic. I am trying to use tone() with a passive buzzer to create a sound while also using the IRremote library for a ...
Francois Beaussier's user avatar
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3 votes
5 answers
26k views

I am using Digispark ATTiny85 and i need to send and receive data through the serial port of my computer. Does anyone have an idea as to how do i proceed with sending STRINGS and NUMBERS through the ...
waqaslam's user avatar
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1 answer
558 views

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 ...
Ninh Triệu's user avatar
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1 vote
2 answers
294 views

We have two sensor one of them(MPU6050-gyro) is communicating using I2C, the other is via SPI(SD card reader). Now, we need an additional component as a sensor that the barometer which communicates ...
Hugh Davenport's user avatar
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2 answers
1k views

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/...
giri's user avatar
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1 vote
0 answers
76 views

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 ...
jsotola's user avatar
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1 answer
86 views

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. ...
chrisl's user avatar
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-1 votes
1 answer
92 views

I am using a Arduino Nano 33 BLE and I'm using MicroPython to write code for my board using Arduino Lab for MicroPython. I uploaded a file with the name main.py to my Arduino to test if it would work ...
SimonHéJa's user avatar
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1 vote
2 answers
4k views

I bought a nodeMCU 8266 and I'm hoping that it can replace my bulkier UNO+WiFi 101. I'm getting an error when I compile: Error: unknown opcode or format name 'jmp' I'm using it in void SoftReset() ...
user20602609's user avatar
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1 answer
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I'm new in using ESP32 boards. For some reasons, the servo motor is not working when RGB LED code is used. I have looked everywhere and I did not see any solution for this. Any help is appreciated. ...
Vile's user avatar
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-2 votes
1 answer
821 views

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 ...
hcheung's user avatar
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1 vote
1 answer
3k views

I am using arduino-ide2.0.0-beta.7(CLI Version:0.18.3 alpha) on Manjaro Linux and I get this error when uploading sketch to my Arduino Micro: avrdude: ser_open(): can't open device "/dev/ttyACM0&...
Rohit Gupta's user avatar
  • 634
0 votes
3 answers
6k views

Arduino newbie here, so this question might sound too simple. I am trying to run a parallax continuous rotation servo using Arduino Uno. From the reference, I learned that the servo needs to be "...
Don's user avatar
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0 votes
3 answers
508 views

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->...
Rohit Gupta's user avatar
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-2 votes
3 answers
1k views

I have developed the code to control the relay switching on/off using nextion display and esp32. But whenever I press my dual state button in the nextion display there is some delay and I need to ...
Rohit Gupta's user avatar
  • 634
0 votes
1 answer
1k views

As I am learning the Arduino coding, I want to see if my program can turn on the LED light. I have tried all the things, but the code does not start the LED light I have installed on the board. The ...
V34Michel's user avatar
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0 votes
1 answer
121 views

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 ...
Community's user avatar
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0 votes
1 answer
556 views

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 ...
Bill Webster's user avatar
  • 11
0 votes
2 answers
777 views

OS: Windows 11 Arduino IDE Version: 2.3.2 I recently opened up my Arduino IDE to find that nothing--absolutely nothing--would compile. Whenever I tried, I got the following error message: Using board '...
KIIV's user avatar
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1 vote
1 answer
2k views

From an ESP32 example code, I extracted the following part, that just prints the flash partition list to the console. #include <string.h> #include <assert.h> #include "esp_partition.h&...
Rob's user avatar
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0 votes
1 answer
1k views

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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0 votes
0 answers
52 views

I am using MS5611 in GY86 and ESP32 Dev kit to get the vertical velocity and altitude after running a 2d Kalman filter to it. (I modified the code from episode 19 of Carbon Aeronautics drone playlist)....
rzickler's user avatar
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2 votes
0 answers
216 views

I wanted to flash my Nodemcu esp8266 v3.4 with esp8266 deauther code: script-github. I did everything said. First I plugged in my nodemcu. Windows detected it and drivers for ch340 where already ...
dda's user avatar
  • 1,595
1 vote
1 answer
491 views

I've just bought a new LinkIt ONE IoT prototyping board, and I'm having trouble getting started with it. I'm working on a mac. I've installed the LinkIt ONE SDK onto my Arduino IDE as specified in ...
Yaffo O.S's user avatar
  • 1
0 votes
1 answer
104 views

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....
Gil Sven's user avatar
  • 171
1 vote
0 answers
120 views

Given below is a short version of the Arduino code I used to program ESP32-S3. On some occasions the program crashes and unlike normal crashes this one get stuck there without Auto-resetting static ...
AmalMP's user avatar
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0 votes
0 answers
59 views

I have an issue uploading the program to Elegoo UNO R3. Here is what I have tried: I tested 2 Elegoo UNO R3 boards, but both Elegoo Uno R3 do not work. Arduino IDE found the board and stated the ...
Greenonline's user avatar
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