The Arduino Yún is a microcontroller board based on the ATmega32u4 and the Atheros AR9331. Use this tag for questions specifically regarding the Yún, and not just general Arduino usage.
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Arduino Yun RFID-RC522 module not working
I have tried to use Arduino Uno with RFID-RC522 module. It is good work[1] and read rfid cards. But Arduino Yun doesn't work with RFID-RC522 module.
What is diffrent Uno and Yun?
1- ...
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107 views
How to make Arduino communicate with MySQL?
I am trying to send data from my Arduino to my database but it seems that the process is not successfully beginning. Here is my code for Arduino:
#include <Process.h>
#include <Bridge.h>
...
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44 views
Grove Temperature With Arduino Yun
I try to test Grove - Infrared Temperature Sensor on Ardiuno Yun with the sample code but it dose not work in the console it show that the object temperature is out of range all the time. However, ...
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1answer
31 views
Cannot Communicate With Serial Monitor Ardiuno Yun
I connect Arduino Yun to my Computer with wifi. I was able to get the IP address of my Arduino Yun. However, when I try to print something. It seem to not working at all. The following code is the one ...
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65 views
How to make MEMS IR Thermal Sensor - D6T-44-L06 work with Arduino?
I am working on project that my team need to detect the presence of the people. At first, we tried with motion sensor but it wasn't the way that we want it to work. We want to detect presence of the ...
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75 views
arduino yun limitations
I plan on working on arduino for the first time, and am returning to working with electronics after a good long while. This might be a fairly ambitious project for just starting off, so I am a little ...
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147 views
How can I pair a Bluetooth dongle on arduino Yun (openwrt-yun)?
On my Arduino Yun (openwrt-yun, updated to latest version), I have a bluetooth dongle in the usb port; I have installed bluez-libs and bluez-utils (and python-bluez). They show up as version 5.13. ...
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1answer
136 views
Arduino Yun - Sensor Data logging to MYSQL on External Server
I want to log data from Sensors (Say Temperature, moisture or humidity) to a MYSQL database (provided by a online hosting company). Is it possible to establish communication between Arduino Yun and ...
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110 views
Strange Arduino YUN serial port probem
down vote favorite
I'm using Arduino YUN. I need to use the serial port on both sides (linux and arduino). So I disabled the serial port bridge in inittab like this...
inittab=
...
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52 views
Arduino YUN PWM pins
I'm using Arduino YUN PWM pins 9, 10, 11, and 13, and have it set up so all are using the same PWM frequency.
Everything is working fine, but now I NEED TWO MORE PWMs.
I have PWM pins 3, 5, 6 ...
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1answer
46 views
Cant's code against Yun Wireless Section
Just got my Yun today. Successfully connected to my home wireless, installed YunSysUpgrade_v1.5.1,
and divied up my Micro SD card for Linino and Windows file system with YunDiskSpaceExpander,
and ...
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76 views
Hub RFID Arduino + WIFI
I will start an Arduino project and its main requirement is that some RFID readers (at most 6 readers) be connected and controled by the arduino board.
I do not have a strong background in ...
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61 views
Corrupt image using usb camera in yun
I’m trying to take pictures with a usb webcam, but some of the photos were corrupted with
wrong image segment. If setup with low resolution (640x480), the photos were normal but failed in high ...
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2answers
62 views
Dumping Code in Arduino YUN in windows 8 Machine
I am having Arduino yun , i trying to burn the code in Arduino but after i click on upload , i get the error message:Please Help at first it showing Arduino under the port tab after this message no ...
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1answer
430 views
Webserver with Arduino Yun without SD
I'm trying to set up a simple web-server with Arduino Yun without an SD card, i.e via REST, if I understood it right (I'm new to some of these stuff). I want to be able to "get" data (sent by Arduino) ...
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2answers
447 views
Arduino Yun - not enough i2c & interrupt pins?
I'm trying to build a small personal weather station. The rain sensor, and wind speed sensor use interrupts. The barometric sensor uses i2c SDA and SCL.
Reading the Arduino Yun manual, it says there ...
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1answer
162 views
Confusing Arduino Leonardo PWM
I'm having problems with using Arduino Leonardo PWM outputs (I'm actually using YUN board).
I need 4 PWM outputs that generally have the same base frequency of around 10 to 20 Hz or so.
I'm using ...
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111 views
Problems powering stepper motor from web server (button) via Arduino Yun
I have my Arduino Yun set up with a web server. The webpage has a series of buttons on it, which control the buzzer playing various sounds, and a button to control a stepper motor. I'm using the code ...
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2answers
519 views
Arduino Yun Webpage Server Issues
So, I've made a sketch on my Yun, which I would like to be able to take information from a webpage (like a button) and have the Arduino Microcontroller perform functions based on what button is being ...
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237 views
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258 views
Arduino Yun's sample “Bridge” code not working
I'm new to the Arduino world (or the electronics world for that matter).
I have the Arduino Yun and the WifiStatus code works fine (so does the HttpClient).
But every time I try to run the bridge ...
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2answers
155 views
YUN. How to reset the micro controller from linux?
As the title, I'd like to reset the Arduino sketch from the linux machine. Is it possible? how?
One solution could be to save the hex file inside the sd card and then upload it via the lua sketch but ...
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327 views
converting arduino uno with Ethernet Shield sketch for Ardunino Yun
Hi I'm new to the Arduino Yun and I'm trying to convert a sketch written for the Arduino Uno with a Ethernet Shield. The sketch does HTTP posts to Azure Mobile Services.
I've added in the Bridge.h ...
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125 views
Transfer data between Yun and Sketch in Python
I'd like to have my main programming logic in Python and interface with the Sketch for things such as IO (I have an SPI LCD screen that I'd use to output strings and such, also buttons for control ...
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1answer
325 views
Can I control analog IO pins using Yun Linux
2 days back I bought Arduino Yun. I'm able to flash Led on 13 pin. And I'm able to flash Led on Bread board connected to A0. I'm able to run linux commands.
Now I want control A0 pin using ...
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1answer
403 views
Arduino Yun, node.js and serial
I'm trying to bypass Bridge library and read serial directly from nodejs. I'm on the last sys upgrade (1.3) I have correctly installed nodes and serial module via opkg install. I have also commented ...
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117 views
Connecting Arduino Yun to wifi with 802.1X authentication
Is it possible to connect the Yun to wifi using 802.1X authentication? 802.1X is WPA2-Enterprise that uses a username and password (per user) instead of one password (for every user). I don't see a ...
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428 views
Arduino Yun Serial Terminal Overflow Issues?
EDIT: after reading up on some stuff and with the help of the comments people left, I'm certain that it's an overflow issue, but I'm not sure how to solve that...
So I just got an Arduino Yun today ...
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3answers
415 views
How useful could the Arduino Yun be in computer vision in a robotics project?
I've recently ordered an Arduino Yun and several other components to begin on a small robotics project (based on an old 4x4 RC Truck). Although not mandatory for what I'd like to do, I was wondering ...
2
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1answer
326 views
Wifi server to control led on and off from local webpage.. - ..if statement doesnt work…
Im a newbie on this arduino thing and I would like to build a curtain remotecontrolled from a local webpage with 2 buttons... a up an a down...
I got the connection via my phone the the local page ...
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92 views
Arduino Yun. Write to XML file problem
I am trying to write to a XML file.
I can write some values but limited. When I add an extra line or value the xml file stop updating and all commands I have after the xml.close(); aren't executed
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2answers
279 views
Arduino Yun C++ environment? Bridge + Cross-Compiler
I'm creating an XMPP chatbot for the Arduino Yun. However, I'm not too confident in the Python performance on such a low performance device and I'm much more comfortable with C++. Is there a C++ ...
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267 views
Cant send dht11 temperature data to xively from Yun
I thought this would be easy but how wrong I am...
All I want to do is plot temperature data but I cant seem to get it to work. It reads it out on the serial monitor and says it has sent the data (in ...
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1answer
448 views
Arduino Yun and REST call security
I'm not expert about web development but very excited of doing some rest call using the yun as server (with a minimal python or node.js server inside the openwrt machine in the yun) and expose sensors ...
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1answer
564 views
Arduino/Arduino clone board suggestions
I am planning to buy a Arduino board. I am also considering Arduino clones, too. My requirements are that the board should inbuilt communication modes like Ethernet, WiFi and a SD card slot, too. Also ...
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1answer
131 views
How many total digital pin outs does the Arduino Yun have
I have read the details on the products page for Arduino Yun but I have also read, on a Arduino forum, that there are only 18 digital pins because of Tx, and Rx. Is this true? I am not worried about ...
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1answer
95 views
Arduino Yun console clear
I'm having a problem. I want to clear the screen on the connected console. And after the clear, I want to rerun my code. But i can't seem tu figure out how to do it. Below is some part of the code:
...
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1answer
1k views
How to disable Arduino Yun to work as Access Point and set it to work as needed?
I am using Arduino Yun and I would like to disable it to work as Access Point. That is, I don't want that it is displayed in the list of available networks.
Then I would like to set and use it ...
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1answer
547 views
It is possible to run an entire script on the Linux side? If so, how, what and where to do that?
I am new to using Arduino Yun and I would like to know if it is possible to run an entire script on the Linux side. In my case the script should execute a HTTP request to a remote server, parse the ...
3
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1answer
149 views
It is possible to program Linino to send HTTP requests and then use the returned values in sketch?
I am new to using Arduino Yun and I would like to know if it is possible to run a command from the Arduino sketch in order to make (probably, through the Bridge Library) Linino to execute a HTTP ...
3
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2answers
2k views
How do I use Arduino and node.js?
I am new to Arduino, however I have experience in web development, lately I have been using, meteor js and the mean stack for different projects. However, I am open to trying any language for ...
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3answers
465 views
Pass variable in a url
Working on a code where I am able to manually enter the value in the url to let the php code save it in the database. But unsure how to it with a variable in a loop running. This is the URL:
...
3
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1answer
498 views
Can I compile c/c++ code on the linux part of the Arduino Yun?
Can I compile c/c++ code on the linux part of the Arduino Yun?
How complete is the linux part of the Arduino Yun?
Can I scp some c/c++ code onto the Atheros AR9331 chip compile it?
Or must I first ...
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1answer
886 views
Arduino Yun does it have a RTC?
Does the Arduino Yun does it have a RTC?
And if so is it connected to the Atheros AR9331 or the ATmega32u4?
If there there is no RTC, can I connect a DS1307 to the Atheros AR9331?
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3answers
2k views
Arduino Yun external antenna
Can someone help me understand how the external antenna IPX connector actually stays connected to the Yun? Do I have to "force" it in so it snaps in? I've been somewhat gentle with it in fear I'll ...
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1answer
1k views
Accessing Arduino Yun from Internet
I am trying to access my Arduino Yun from the internet, and it's not quite working. I have correctly port forwarded the port 5555 from the router to the Yun (verified I am able to access my many other ...
3
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3answers
597 views
Serial sensors and the Yun
I am involved in a project that is going to measure PH and chlorine in a swimming pool. The plan is to use a Arduino Yun. The sensors we are going to use are connected using serial. Since we may be ...
8
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2answers
798 views
Yún boot from SD card
I have an Arduino Yún, and it only has 16mb flash onboard for the Linux. I was wondering of it is possible to put a bootloader on the flash that uses the sd card as a rootfs? i want to be able to do ...
10
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3answers
2k views
How to get HTTPS on Arduino?
Put plainly: is there a way to get an HTTPS connection on the Arduino?
I have been looking in to it, and I have found it is impossible with the standard library and the Ethernet shield, but is there ...
