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Questions tagged [arduino-yun]

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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35 votes
6 answers
57k 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 ...
TheDoctor's user avatar
  • 3,479
29 votes
8 answers
38k views

How can I get a unique ID for all my Arduino boards?

Once you have uploaded a sketch to one of your Arduino boards, it is hard to know exactly what source code led to that sketch. Indeed, you may change the source code of your sketch on your PC without ...
jfpoilpret's user avatar
  • 9,132
16 votes
2 answers
3k 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 ...
TheDoctor's user avatar
  • 3,479
11 votes
1 answer
250 views

Cloud function getting stopped Parse.com in loop when calling from Arduino-yun

I have created a cloud function using the Parse.com Javascript SDK and I am calling those functions from Arduino. Following is code for the hello function: Parse.Cloud.define("hello", function(...
Abhijeet Kulkarni's user avatar
9 votes
2 answers
10k 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 ...
Anders Kitson's user avatar
8 votes
1 answer
579 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 ...
Jimmy S.'s user avatar
7 votes
2 answers
1k 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++ ...
Cilph's user avatar
  • 71
6 votes
1 answer
2k 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 ...
Johan's user avatar
  • 415
6 votes
3 answers
2k 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 ...
Faux_Clef's user avatar
  • 199
6 votes
1 answer
421 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 ...
user502052's user avatar
6 votes
1 answer
2k 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 ...
user502052's user avatar
5 votes
1 answer
4k 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 (...
user502052's user avatar
5 votes
1 answer
1k views

Converting Arduino Uno with Ethernet Shield sketch for Arduino Yún

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 and ...
YunBeginner's user avatar
4 votes
4 answers
3k 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 ...
cnsumner's user avatar
  • 193
4 votes
5 answers
6k 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 ...
Pat's user avatar
  • 217
4 votes
1 answer
507 views

Power Supply Problem with Arduino Yún: Using a long USB cable

I want to use an Arduino Yún as a kind of outdoor weather station. I want to supply the power for the Yún with a 5V USB-Charger. Using a normal USB cable everything works fine. But as the weather ...
bhneuner's user avatar
4 votes
2 answers
373 views

How do I program my Arduino Yun Shield when I keep getting this AVRDUDE error message?

The error message is: avrdude: AVR device initialized and ready to accept instructions avrdude: Device signature = 0x1e950f avrdude: Expected signature for ATmega32U4 is 1E 95 87 Double check ...
ixRx's user avatar
  • 71
4 votes
0 answers
647 views

RFID Code (and setup) works on an UNO but not on the Yun

We're using two RDM6300 RFID readers for this, and the code works when plugged into an UNO, but not when connected to the Yun. We have one of the rfids plugged into the rx pin (0 on the digital side) ...
soulkingbrook's user avatar
4 votes
1 answer
721 views

Arduino Christmas light project with dimmer

I have an existing project using an Arduino Yun that controls Christmas lights with relays to turn them on/off. There are currently 13 separate rows of lights on the (60 foot) tree, each plugged into ...
chris.nesbit1's user avatar
3 votes
4 answers
212 views

Which Arduino is the most suitable for my project?

I've started to prototype something using an Arduino Mega and Yún Shield. It's simple. It reads an ADC at 50Hz and sends data to a server through a socket. But because of that combination, I need to ...
Jonathan Anctil's user avatar
3 votes
2 answers
4k 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?
Johan's user avatar
  • 415
3 votes
2 answers
763 views

Is it possible to directly set the registers that control the ADC clock on the Arduino?

Is it possible to directly set the registers that control the ADC in an Arduino Yun (micro-controller side is essentially a Arduino Leonardo) from a sketch or is there a specific file somewhere you ...
Josh Nabours's user avatar
3 votes
2 answers
335 views

Which thermometer for home brewing

Hello, I have an Arduino Yun and I brew beer. I would like to log the temperature of the beer at all time during the fermentation process (final stage). This means the thermometer would have to ...
DanAbdn's user avatar
  • 161
3 votes
1 answer
883 views

Yun as a Conventional Wireless Access Point

I want my YUN to act as a server in a client/server architecture so students can control their wifi robots via their desktops. I can plug the YUN directly into an ethernet port on our network and want ...
Steve Scanlan's user avatar
3 votes
5 answers
2k 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 Linux/...
gangadhars's user avatar
3 votes
0 answers
125 views

Yún not detecting SD card

My Arduino Yún is not detecting my previously working SD card. The metal contacts are closed. There is no dmesg output after plugging in the SD. It does not detect a different SD. Any ideas for what'...
Alexander M's user avatar
3 votes
0 answers
2k views

Cannot access SD card on Yun

I have a brand new 8GB micro SD card freshly formatted as FAT in my Yun. When I run df -h, I don't see the card's capacity included. When I enter cd /mnt/sda1, it says can't cd to /mnt/sda1. When I ...
sscirrus's user avatar
  • 177
3 votes
0 answers
394 views

How do I install a library in Arduino Yun cross compile environment?

A few days ago, I've asked this question. Thanks to the replies I've received, I've set up a cross compile environment for Yun by following this guide. I've created a virtual machine with virtualbox ...
Nehil's user avatar
  • 53
3 votes
0 answers
308 views

how to turn yun to ad hoc mode?

Can I turn Yun to ad hoc mode? How to? As the image above I can see the Ad-Hoc model in that drop down list. But only WEP for its security.
emj365's user avatar
  • 155
3 votes
0 answers
1k 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 ...
adalrsjr1's user avatar
3 votes
0 answers
937 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 ...
cnsumner's user avatar
  • 193
2 votes
2 answers
744 views

Does the Arduino Yun have to be powered exactly at 5V?

I'm working on a senior project and I am using a ATX PSU to supply power to the Arduino Yun and other components. If I'm not mistaken, its powered through the usb. I took a usb cord, strip the sheath ...
user3797544's user avatar
2 votes
3 answers
23k views

How to make an arduino wifi repeater?

I am trying to make a wifi repeater. My router's signals don't come to my study and instead of buying a proper wifi repeater I prefer making one. I want to learn how to make a simple wifi repeater ...
Ujjwal Syal's user avatar
2 votes
2 answers
29k views

How to do with fzz file

I have a file YunConfig.fzz file for arduino yun for map maker project with ultrasonic sensor. How can I open or do with that file? please answer me.
joker's user avatar
  • 29
2 votes
2 answers
3k 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 ...
nkint's user avatar
  • 461
2 votes
3 answers
1k views

Should I buy a retired Arduino?

I am a beginner who would like to buy an Arduino Yún (58 dollars). It is retired so will I have any problem? Else I can buy an Arduino Uno and an Arduino Yún Shield. But in this case I don't ...
Roby Sottini's user avatar
2 votes
2 answers
3k views

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- http://www....
bmericc's user avatar
  • 35
2 votes
1 answer
269 views

What Arduino board with WiFi should I choose

I want to implement an Arduino module with some sensors and send the info through WiFi to a server. I'm looking for the best board or component combination to make this. What is the best board or ...
Hugo's user avatar
  • 131
2 votes
2 answers
251 views

Arduino Yun receives UDP packets but prints them with gibberish

Arduino Yun is set to receive UDP packets. It receives those data with some gibberish. How is all set up: Arduino Yun (acts as a server) is connected through Ethernet to a PC which is (through WiFi) ...
BrainTrance's user avatar
2 votes
3 answers
1k views

Share data between the two processors of the Arduino Yun

The linux processor runs a Python script from which I would like to send an array of integers to the Yun microprocessor. How can I do that? And then, how can I retrieve and then use this array in my ...
rebrid's user avatar
  • 185
2 votes
1 answer
194 views

What are the environmental requirements of an Arduino?

I'd like to use an Arduino Yún in a somewhat outdoor environment (in a metal box on a truck). I think I've seen that the temperature requirements of the Uno are -40 °C to +85 °C, but I can't find ...
aswine's user avatar
  • 121
2 votes
1 answer
2k 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 ...
nkint's user avatar
  • 461
2 votes
1 answer
1k 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 ...
cache's user avatar
  • 21
2 votes
1 answer
3k 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 ...
Pat's user avatar
  • 217
2 votes
2 answers
126 views

What is the best type of Arduino board for simple delivery robot? [closed]

I'm new to arduino, and I want to design a Simple Delivery Robot for Data Center, which has an arm to move items, and it follows line while moving. I have no idea if there is a special arduino board ...
Reem Aljunaid's user avatar
2 votes
1 answer
422 views

Yun did not connect to WiFi after configuration and restart

When examined we find that Yun is still in master mode and 0% signal. Any procedure known to solve this problem manually? We can access Linux command under Mater mode AP-mode and print WiFi status /...
ewlolv's user avatar
  • 29
2 votes
3 answers
690 views

Sending values to an Arduino Yun across different networks

I have quite a lot of experience with Arduino but have recently been faced with a challenge that has stumped me. The project is to create a robot that can be controlled from a separate network than it ...
Em Eldar's user avatar
  • 123
2 votes
1 answer
988 views

Communication between python script and Arduino sketch

I'm trying to transfer data beetween the two scripts. I'm already using the YunMesseger library (https://github.com/plotly/YunMessenger). But it only make the Arduino -> Python communication. I ...
Renan Ferreira's user avatar
2 votes
1 answer
425 views

How can I obtain the .hex of a file

I have an Arduino Yún running Openwrt-Yún 1.5.3 (which is the latest version, as I upgraded yesterday), and I am trying to obtain a .hex (compiled sketch), so that I can upload a sketch directly into ...
user avatar
2 votes
1 answer
2k 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 ...
Søren Birk's user avatar