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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How to do Serial monitor with Arduino Yun?
I'm trying to read some values from a TCS3200 colorsensor using Arduino Yun. I have some code, which you can see below, that I used when I tested on the Uno.
With the Uno everything worked fine and I ...
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1answer
39 views
Arduino YUN server crashes after few hours!
I have made a simple server using the YUN SERVER and CLIENT Libraries./
The server runs on a loop and waits for a client to connect. After connection it sends the client a simple message and then ...
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0answers
13 views
Arduino YUN internal key / value access from sketch
So hey, i have a question
I searched around for a while and it seems that I'm bad at searching, because I couldn't find an answer.
I have an arduino YUN.
I want make an webpage to display stuff ...
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1answer
43 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 ...
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1answer
41 views
Arduino Yun USB host - reading usb MIDI data and passing forward to another device
I am starting simple, but for some reason I cannot find any examples online and I stuck with my task.
I have a usb midi keyboard, Arduino Yun, and a synthesiser that can accept midi via usb. The ...
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1answer
38 views
arduino yun sensor reading into MySQL [closed]
how to post arduino yun reading into MySQL is there any library file are available or we can directly posted the arduino yun reading into MySQL.Please tell me what are the methods to follow post ...
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1answer
27 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 ...
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1answer
18 views
External access to YUN - request not recognised as HTML
I am trying to access my YUN externally.
My router recognises traffic on Port XXXXX and forwards it to my Arduino Yun.
I have the below code working internally and now trying to adapt this to work ...
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1answer
37 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 ...
1
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1answer
41 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 ...
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1answer
58 views
Arduino Yun - Problem with bridge and client
I'm using this simple code
#include <Bridge.h>
#include <YunServer.h>
#include <YunClient.h>
YunServer server;
void setup() {
Serial.begin(9600);
Bridge.begin();
...
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0answers
25 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 ...
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1answer
86 views
Pulse measurement
I am currently doing the project in pulse measurement using arduino yun. I am using pulse sensor is SEN-11574 .
When I verify the code I get this error:
Arduino: 1.5.8 (Linux), Board: "Arduino Yún"
...
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0answers
50 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 ...
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1answer
190 views
arduino program got error expected //primary-expression before ')' token error: //expected ';' before '}' token E
#include "pulse-sensor-arduino.h"
#include "Arduino.h"
#define PulseSensorbegin
int pulsePin = 0;
int blinkPin = 13;
int fadePin = 5;
int fadeRate = ...
2
votes
1answer
56 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 ...
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1answer
37 views
Arduino Yun, pass int data true REST
Would it be possible to instead of passing a state via a REST browser:
digital/13/1
to set an int value? For example, if in the sketch if I would name an int: 2, could I set this to 48 via REST?
...
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1answer
59 views
Works on Uno but not on Yun
I found some code that works to transmit the required signal to an RX-2B RC receiver, the code works great from my Uno but when I tried to run it from my Yún nothing happens.
The code has definitely ...
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1answer
97 views
Unable to connect to Linux Environment (Linino AR9331 Interface) in Arduino Yun
I was trying to reset my Arduino Yun (WLAN button pressed for more than 30 seconds), but it just kept on blinking for about 10 minutes. Then I finally got impatient and restarted the Yun. After the ...
1
vote
1answer
213 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- ...
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1answer
252 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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0answers
128 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
189 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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1answer
237 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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95 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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1answer
297 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
277 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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200 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
111 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
74 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
155 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
110 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
69 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
1k 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
796 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
345 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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0answers
180 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
961 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
423 views
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1answer
356 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
296 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
472 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
139 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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3answers
491 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
518 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
157 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
626 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 ...
2
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3answers
736 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
617 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
143 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
...
