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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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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
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
0 answers
70 views

Using the Tian handshake line

I've set up a Yun before to use the handshake line on pin 7 (thanks to this great forum post) and now I have a new project that I want to do something similar with the Tian. Based on the schematic, it'...
MechEngineer's user avatar
2 votes
0 answers
106 views

How do I free up space on arduino Yun shield?

I recently bought arduino Yun shield, and I didnt had any external USB storage connected, I downloaded get-pip.py on Yun using wget and ran python get-pip.py which resulted in 5mb storage on yun now ...
Ciasto piekarz's user avatar
2 votes
0 answers
2k views

How to define SoftwareSerial pins on ESP8266

I'am new to arduino yun and ESP. In fact, i have an arduino yun which has a sim808 dfrobot shield on it which uploads GPS data online at a regular time interval. I want to connect the dfrobot sim808 ...
vicky's user avatar
  • 86
2 votes
0 answers
162 views

uSDaemon in Linino / Arduino Yun Mini hogging the syslog

There is an annoying problem with Linino One / Arduino Yun Mini as the syslog (logread) is full of messages from uSDaemon, complaining about missing files. ls: /sys/bus/scsi/drivers/sd/*/block/sd?: ...
Robert Špendl's user avatar
2 votes
0 answers
260 views

I2C between Yun Shield (Dragino) and UNO R3 problem

I am having problems with I2C communications between my Dragino Yun and an Arduino UNO R3. I can have the Dragino request data (using Wire.onRequest on UNO) from the UNO and it works great, however, ...
Daryl's user avatar
  • 63
2 votes
0 answers
35 views

Arduino Yun restarts or stalls during operation

I have an Arduino Yun that I need to connect to a machine to detect whether the machine is working or is stopped. The signal used as a flag for such behaviour is basically the presence or absence of ...
Jose's user avatar
  • 121
2 votes
0 answers
61 views

How to shake hands (Atheros-ATmega comms)

How does one assert, from the Linux user land (root-er land?) on the Atheros AR9331, the 32u4's arduino-pin 7 for communication handshake?
Alexander M's user avatar
2 votes
0 answers
48 views

Looking for an existing lightweight RF protocol

I'm currently looking for an RF protocol that doesn't use much power (generally much less than wifi) Something similar to simple AM radio, but with an authentication library readily available. ZigBee ...
Kevin K's user avatar
  • 29
2 votes
0 answers
279 views

Arduino yun strange uploading error

I'm new to arduino and I'm trying to upload a fairly large (I think) program to a arduino yun which includes a 3 dimensional array. I'm using the bridge features of the yun. when I upload the first ...
Michael Oddie's user avatar
2 votes
0 answers
76 views

How to make the Yun allow access to a resource

I have replaced /www folder on the Yun (backing it up first), how do I make it so the Yun will redirect to the new index.html? It, right now, gives Access to this resource is forbidden when I go to ...
Alexander M's user avatar
2 votes
0 answers
351 views

Yun as bluetooth master

How does one make an outgoing bluetooth connection? I have already installed packages for bluetooth, and have run hcitool scan to find the BT address. And I'm using a USB BT dongle. Output of lsusb ...
Alexander M's user avatar
2 votes
0 answers
667 views

Arduino Yun not showing up in Windows or Linux [software issue?]

I've got my Arduino Yun (less than a year old) connected to my computer via a USB cable. The device seems to be on (that is, the lights are all on). However, the Arduino is not showing up in either ...
Vasu's user avatar
  • 121
2 votes
0 answers
75 views

yun manage bridge manually

in "Disabling the Bridge Script" of http://cylonjs.com/documentation/platforms/yun/ I did: Edit the /etc/inittab file to comment out the ttyATH0 line (put a # before it) ::sysinit:/etc/init.d/rcS ...
emj365's user avatar
  • 155
2 votes
0 answers
583 views

How to use console.log message from nodejs server, to control led pin 13?

I want to use Arduino Yun as a client, that connects to my nodejs server, receives a message from nodejs and then change led pin 13 on/off according to the message send. I have this example of a ...
Tommy Otzen's user avatar
2 votes
0 answers
45 views

Bridge */arduino/analog/2 returns a blank page

Had some start up difficulties. But updated the YUN and IDE to the latest version. Using * "/arduino/digital/13/1" works as supposed (turns on the LED) - it's just a bit slow. But I can't see why ...
Norfeldt's user avatar
  • 121
2 votes
0 answers
351 views

Yun - replaced uhttpd with lighttpd - luci works but not /data access..?

Ok, utthpd is running on port 80 and lighttpd on port 81...both give access to the luci control panel...all well and good. However the /data access to the yun data store only works from uhttpd. ...
Ian McCarthy's user avatar
2 votes
0 answers
70 views

Issue with removing files progrmatically created under "/www/..."

I am having an issue with removing temporarily files I am creating under the /www directory. I have a subdir, "/www/csv", where csv formatted files are being written based on sensor data. The files ...
Pete D's user avatar
  • 21
2 votes
0 answers
3k views

How do I read from an SD card on the Yun?

I'm trying to read a small file off the SD card installed in a Yun. Here's the sketch: #include <FastLED.h> #include <FileIO.h> #define WIDTH 32 #define HEIGHT 1 #define NUM_LEDS (WIDTH *...
Robert Atkins's user avatar
2 votes
0 answers
1k views

Grove temperature sensor with Arduino Yun

I try to test Grove - Infrared Temperature Sensor on Arduino Yun with the sample code but it does not work. In the console it shows that the object temperature is out of range all the time. However, ...
MakaraPr's user avatar
  • 135
2 votes
0 answers
2k 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 ...
cnsumner's user avatar
  • 193
1 vote
0 answers
48 views

Is it possible to configure uboot without the "Yun Serial Terminal" sketch by using the hardware serial on pins 0 and 1 instead?

Trying to rescue a Yun with the 1.5.3 image. It's not possible to upload the required "Yun Serial Terminal" sketch because the device hangs at U-Boot (hence the rescue attempt). Using putty ...
beautyEverywhere's user avatar
1 vote
0 answers
343 views

arduino yun sysupgrade 'platform_check_image' failed

https://www.arduino.cc/en/Tutorial/YunSysupgrade when i run the following command. i get this error. run-sysupgrade /mnt/sda1/openwrt-ar71xx-generic-yun-16M-squashfs-sysupgrade.bin Image metadata not ...
swisswiss's user avatar
  • 111
1 vote
0 answers
226 views

Arduino IDE 1.8.8 built in 1.2.1 Temboo Library?

I am weirded about the built-in "latest Temboo library" with the latest Arduino IDE; when a previous older code says to download the latest Temboo version < 2? (which I found this: https://temboo....
John Doe's user avatar
1 vote
0 answers
267 views

Trying to send serial data to computer over network from Arduino Yún

Using Console.write() to send data to my computer over network, which works when I use the serial monitor. However, I'm using PLX-DAQ to receive Serial communication and input it into an Excel ...
Olivier Poulin's user avatar
1 vote
0 answers
1k views

Minimal ATmega328p Ethernet Configuration

What would be minimal schematic for ATMega328P in order to have communication over ethernet? So I'm not asking about attaching existing shields to existing Arduino board, but just for bare minimum of ...
ShP's user avatar
  • 143
1 vote
0 answers
242 views

Yun - FileSystem.Open prevents client.println from outputting to web page

The below code is meant to display lines stored in a text file to an arduino based web page (it's a IR gate monitoring solution). When I visit I can execute client.println("hello") and I see the ...
DanAbdn's user avatar
  • 161
1 vote
0 answers
424 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 ...
S.I.Tsaklidis's user avatar
0 votes
1 answer
606 views

Process Sensor Data from Arduino Yun with Python

I'm currently working on a small project with my Arduino Yún. I want to process the sensor data in python and send them in a message queue. I need to use Python3. I cannot find a way to get the ...
raphael_mav's user avatar
-1 votes
1 answer
337 views

send data from serial to client

I am using Arduino Yun to send data from serial to client, and it's partially working because I only get short data delivered, while long data (like more than 100Byte) get the most of them lost. on ...
Maghrabi Issam's user avatar
-1 votes
1 answer
109 views

Yum as eth->wlan adaptor

Is there a way to make a yun an Ethernet-wifi bridge? Applications include giving wifi to raspberry pi and other Ethernet only devices and vice versa.
Alexander M's user avatar
-1 votes
1 answer
287 views

I have to reload Sketch every time I start my Yun

I am new to Arduino and IoT. I got my hands on a Yun and loaded a simple sketch to subscribe to a topic. I am receiving messages (I have set up a PHP script and broker on a server, which takes care of ...
jainam's user avatar
  • 107