Tagged Questions

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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46 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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0answers
55 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
51 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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38 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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0answers
41 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
26 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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0answers
48 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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0answers
41 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
57 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
177 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
270 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
88 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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74 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
238 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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1answer
150 views

Arduino yun as ssh client

Is it possible to set the Arduino Yun up as an ssh client? If so, how?
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1answer
175 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
111 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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0answers
220 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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0answers
112 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 ...
2
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1answer
257 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
326 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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0answers
101 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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0answers
318 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
283 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
223 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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0answers
69 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
205 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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0answers
240 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
364 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 ...
1
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1answer
492 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 ...
3
votes
1answer
120 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
84 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: ...
3
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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 ...
4
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1answer
417 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
votes
1answer
142 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
345 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
443 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
722 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?
3
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3answers
1k 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 ...
1
vote
1answer
927 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
votes
3answers
517 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
votes
2answers
636 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 ...
9
votes
3answers
1k 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 ...