Questions tagged [linux]

Linux is an open source operating system (OS) that is lightweight and runs on many systems. It also runs on the Arduino Yún. There are different "flavors" or "distros" (distributions and changes made by different groups) of Linux such as Ubuntu, Debian, and Fedora.

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Arduino LED blink program not working using Raspberry Pi [duplicate]

I'm trying start my journey to learn to program uC using terminal (Linux) with my first program of blinking LED. But the program sometimes works sometime doesn't. This is what I did. Installed ...
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2answers
83 views

Error compiling ESP32 Wrover Module in Linux Virtual Machine

SO i have been getting this error window when i compile a simple code to run different LED lights on the ESP32-S2-SOLA (Wrovere) module Code: int LED_BUILTIN = 2; void setup() { pinMode (...
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0answers
29 views

Cant upload, port not found error, ubuntu 20.04 LTS

I have installed Arduino IDE on Ubuntu 20.04 LTS. I have installed it from the tar file (ie not from snap) and I have added myself to the dialout and tty groups. When I look at groups I get: adm tty ...
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1answer
150 views

avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied Upload error:

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&...
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2answers
69 views

Why echo "R" > /dev/ttyUSB0 doesn't work, but on the same PC Serial Monitor in Arduino IDE works?

I have a strange problem. I am running Ubuntu and NodeMCU si plugged into USB. I have very simple sketch running on it, when it reads letter "R" on serial, it turns ON relay. When I open ...
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1answer
105 views

Arduino IDE 1.8.13 won't launch properly

Recently I have been trying to install Arduino IDE 1.8.13, and I have ran into according problem. When trying to launch Arduino IDE with ./arduino command it shows according error: ./arduino: line 35: ...
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Problem uploading my sketch onto my arduino. Arduino 1.8.13, Linux Ubuntu 20.4

This is my log, honestly no idea what the problem is here, tried updating java, didnt work. Sketch uses 11216 bytes (4%) of program storage space. Maximum is 262144 bytes. Global variables use 2384 ...
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1answer
49 views

Efficient workflow/tools for converting color images to hex arrays

I would like to display 65k color animated gifs on my oled. I'm using the adafruit library for https://learn.adafruit.com/096-mini-color-oled Now I need to convert a significant number of images to ...
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2answers
121 views

Does Linux have software protection on USB? Or has the magic smoke escaped?

I'm making a GUI in Python that will control an Arduino via serial monitor. I have 6 input pins grounded and I'm taking 5V from the board (powered from USB) whilst serial monitoring and everything's ...
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1answer
76 views

How to get arduino to always be connected as /dev/ttyUSB0 and with chmod 0777?

I've got Debian 10 as OS and for a Project, I need my arduino to always be connected as /dev/ttyUSB0, not any other ttyUSB-number, and I need it to be connected with the 0777 rights for a script to ...
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1answer
277 views

Digispark uploading not working in KDE Neon (Linux)

I am using KDE Neon and have downloaded the Arduino IDE via the Snap store. It worked well with the ESP8266 and other Arduions. But when I tried to upload a simple sketch or an example sketch to my ...
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1answer
96 views

I can't run shell commands on Linux through AVR sketch (Arduino Yun)

I'm a little confused with some Process.h methods. I'm trying to run the command "nc 192.168.1.15 9911" to the Linux processor through a sketch. The appropriate netcat listener is waiting on ...
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1answer
49 views

Arduino as USB HID is slowed down when PC doesn't read events

I have an Arduino Micro that is acting as a HID device for a Linux PC. I use this call to send the HID values: HID().SendReport(1, _values, sizeof(_values)); This works in principle, but I noticed ...
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3answers
379 views

how do i connect my Arduino Nano to my Linux Laptop

update: I uninstalled the portable package of Arduino IDE, completely, and installed the IDE using sudo apt install arduino. yes, I verified that my Nano was plugged in, the status on the bottom right ...
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1answer
55 views

Linux not recoginizing Arduino Mega2560 Clone

I have an Elegoo Mega2560 R3. On my Windows machine, it recognizes fine and loads exactly like a Mega2560. I have a System76 laptop running Pop_os!. When I attach the board, I cannot connect to the ...
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1answer
103 views

Esp8266: Linux - fatal: No names found and undefined reference to `app_entry_custom()'

as Gentoo user I build everything from sources, but I have problem with building toolchain for esp8266. I came up with this script: #!/bin/sh # note: eselect python2 before, because of gcc # ...
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0answers
381 views

How to access native USB port of Arduino Due on Synology NAS?

I would like to flash my Arduino Due from my Synology DS218+ NAS which runs on an Intel 64bit Linux-derivate platform. Previously, I was able to flash a Mega 2560 from this NAS via avrdude and ...
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1answer
670 views

Upload already compiled code on Linux CLI without arduino-cli

I have a sketch for an Arduino Nano. I'm compiling it on my build server and get these 3 files: project.bin.elf project.bin.hex project.bin.with_bootloader.hex Now I need to be able to upload/flash ...
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2answers
148 views

Latest news about alternative Arduino IDEs

I simply hate the default Arduino "IDE". On Windows I use Visual Studio Code with the related plugin. Now I have a Ubuntu machine and I'm looking for the definitive IDE. Questions: I'm not sure ...
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1answer
569 views

Baudrate is set to 9600 automatically even if specifying a different value

You initialize the serial communication via USB with Serial.begin(baudrate); where baudrate is a long specifying the number of symbols you want to send over the connection per second. You can put ...
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2answers
294 views

Arduino IDE won't use selected port

I'm trying to program an ATtiny85, using an AVRISP mkII programmer (this one: https://www.amazon.de/dp/B00IYNAXUC/ref=cm_sw_r_sms_c_api_i_VXOWDb3H3N5ND) with the Arduino IDE (version 1.8.10 on Ubuntu ...
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1answer
1k views

find out the pin numbers for the Arduino IDE for a certain board - the esp 32

I followed the tutorial I found here https://techtutorialsx.com/2019/03/29/esp32-arduino-controlling-a-dc-motor/ On the very interesting topic controlling a DC motor with the esp32 and Arduino I have ...
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1answer
58 views

Using Arduino as contact to the world for linux box if app crashes

I am new to this micro controller thingie world so bare with me :) Let me describe a scenario first. Say I have a linux box for house automation embedded in a wall. For security reasons is the only ...
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1answer
43 views

Program Arduino Mega Adk on linux

for a project my supervisor gave me a Arduino Mega ADK board (https://store.arduino.cc/arduino-mega-adk-rev3) and the usb-cable. I only programmed a Atmega32 8 bit controller on linux ubuntu. I have ...
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1answer
2k views

Cannot connect through /dev/ttyACM0 (Ubuntu 18.04)

I am using an Arduino UNO which worked fine until today. My system: Ubuntu 18.04 Now, the IDE can no longer connect to it: Cannot do any sketch upload Cannot ask for board info No USB ports shown in ...
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1answer
213 views

How can I run the arduino IDE 1.8.9 on debian testing as regular user?

When I start the arduino IDE as regular user from my debian testing system, I get a crash right after the splash screen: Temp/arduino-1.8.9/arduino ...
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1answer
1k views

avrdude: Error: butterfly programmer uses avr_write_page() but does not provide a cmd() method

When trying to flash my sketch, I see many errors such as: ***failed; ***...
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1answer
3k views

Selected board depends on 'arduino' core (not installed)

When I load the Arduino IDE with Board: Pololu A-Star 32U4 selected, I see: The current selected board needs the core 'arduino:arduino' that is not installed. I installed the board manually via ...
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1answer
1k views

Read Serial data from an arduino with c code

I am trying to receive data through the serial port from my SBC (a TS-7200), i am working with linux and handle serial communication using C/C++.To send data to the SBC i'am using an arduino uno. So ...
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1answer
145 views

C: No communication to a connected serial port?

I'm trying to connect to an arduino Mega At2560 unit connected via usb serial port in my linux based PC. Using C code, I'm trying to send and receive simple text strings, just I'm able to send and ...
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1answer
3k views

'"/dev/ttyACM0": Permission denied' on Ubuntu 18.04

I'd like to say that I'm a noob at both Arduino & Ubuntu (have some command line experience). I've set port permissions, joined the relevant groups (tty,uucp,dialout & plugdev). I know that ...
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1answer
2k views

How to send characters to Arduino serial using Linux command line without tail -f?

I want to send characters to Arduino serial port which makes the Arduino turn on/off an LED. Here is the code: int led_main=8; void setup() { pinMode(led_main, OUTPUT); Serial.begin(9600); ...
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1answer
673 views

No data sent over serial port in linux c++

TL;DR - I am attempting serial communication with Arduino with code that I found here and nothing gets sent over (Arduino programmed to respond, and I checked that it does with its serial monitor) Hi ...
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1answer
49 views

LED on Arduino does not blink

I successful installed arduino, added me to uucp and lock and loaded cdc_acm module. I use Arduino Uno R3, so I also installed arduino-avr-core. I have Arduino on /dev/ttyUSB0. I configured with: ...
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1answer
102 views

Arduino Yun can no longer send to Dropbox

A long time ago I had set up an Arduino Yun to send files to Dropbox... I tried now and it ends in "killed" when trying to install the latest Dropbox Python module. pip install (six, urllib3, etc etc)...
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1answer
89 views

Which platform is better to debug Arduino memory problems? Linux or Windows?

I am developing a product. I developed every module in the firmware individually. Now I am integrating them but getting memory issues. I am not able to see how the memory is allocated inside the MCU ...
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6answers
13k views

Arduino IDE Permision Denied For Upload, Ubuntu

I am having issues uploading to my Arduino from the IDE on Ubuntu 18.04. The error message I have received is: Arduino: 1.6.10 (Linux), Board: "Arduino/Genuino Uno" avrdude: ser_open(): can't ...
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1answer
392 views

How to run Arduino code on Linux? [closed]

I want to use an MFRC522 module as explained in this video. But is it possible to get around with Arduino and use a TTL to USB converter to connect RC522 directly to my PC running Ubuntu? Using the ...
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1answer
531 views

Change format preferences for Arduino IDE in Linux

How can I change Arduino IDE preferences for formatting? I found the preferences file: <user>/.arduino15/preferences.txt, but there are no lines that control IDE formatting. In Windows there is ...
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1answer
474 views

Arduino Uno with Kubuntu 16.04: Unable to enumerate device

I try to connect my arduino uno R1 in order to program the atmega8u2 but I am not able to do so. When I run sudo dfu-programmer atmega8u2 erase I get the following results: dfu-programmer: no device ...
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1answer
4k views

avr/io.h No such file or directory error when compiling using avr-gcc

I am trying to use the atmega328p as standalone microchip and program it. I ama using an Arduino Uno as ISP. I have written a simple program to test it however when I try to compile it using avr-gcc ...
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1answer
3k views

ESP8266 as wifi Card? [closed]

I am very new to arduino and electronics in general. Can i use the NodeMcu Esp8266 as one of those usb wifi dongles? I want to use it as a monitor mode capable wifi card, for my linux laptop.
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0answers
2k views

No ttyACM0 nor ttyUSB0

I checked several related posts but couldn't solve my problem. I have Antergos Linux : # uname -a Linux biutitude 4.14.11-1-ARCH #1 SMP PREEMPT Wed Jan 3 07:02:42 UTC 2018 x86_64 GNU/Linux The ...
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2answers
5k views

Serial Monitor not properly interpreting data from my NodeMCU V3

I've just received several LoLin NodeMCUs from a 'cheap Chinese ebay vendor'. They're working well except for the fact that I'm getting garbage in the Arduino IDE Serial monitor. I am able to: Load ...
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3answers
3k views

easy_install pip on Arduino Yun fails

I want to install pip on the Yún which is running Linino OS but every time I execute the standard steps for opkg i.e. # opkg update # opkg install distribute # okpg install python-openssl # ...
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1answer
2k views

I change ESP8266 baudrate and now it doesn't work

I was trying some AT commands using the monitor of the Arduino Web Editor with an Arduino Uno and a ESP8266 module. It was working at 115200 bauds but then I changed it with AT+CIOBAUD=19200 and now ...
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0answers
88 views

Pro Micro HID freezes during computer boot or resume from standby

I am using a Pro Micro as a HID touchpad, connected to a laptop running Ubuntu 17.04. Everything works, except that the board freezes or hangs while the computer boots or resumes from standby, ...
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3answers
10k views

My Arduino isn't showing up on my computer. What should I do?

You have your spangly new Arduino board, you've installed the software, and you plug it in. Nothing happens. Diagnosing problems may be a little tricky for the beginner, so what hoops should you go ...
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2answers
2k views

Can the Mouse library scroll horizontally?

I'm using the Mouse library with an ATmega32U4 connected to Linux via USB. I would like to issue horizontal scroll commands, but the Mouse.move() function only seems to accept X movement, Y movement ...
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2answers
1k views

Cannot start Arduino IDE after playing with several versions of it

On my Linux Mint 17 Quiana I have manually downloaded and ran several versions of the arduino IDE (1.05 which is in the repo, 1.6.x for some time, now 1.8.3). Things worked like a charm. Now I am ...