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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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0 votes
1 answer
6k 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 ...
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 ...
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 ...
-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 ...
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 ...
1 vote
1 answer
301 views

Combine DHT22 and SI114X.h

It looks like I cannot combine the Grove sunlight sensor and the Grove DHT22 temperature and humidity sensor. I can't figure out why. I have the following setup: Seeeduino Cloud (Arduino Yún clone) ...
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 ...
0 votes
1 answer
113 views

Thought Dropbox was gone, but Arduino IDE kept it running. Search led to Temboo & Arduino Yun. Will it cripple my IDE to cut it out?

Just discovered that long after uninstalling Dropbox the service was still running. I disabled it in the normal Services control panel. It turned out to be hiding in /winndows/system32 as dbxsvc.exe ...
1 vote
2 answers
58 views

Arduino Yún causing power suge warning

Recently I got an Arduino Yún board that sends out a power surge error message everytime I connect it to my laptop through the USB cable. I tried two Arduino Leonardo and one Arduino Uno and there ...
1 vote
1 answer
36 views

Arduino Yun not getting response from Azure API

I posted this on StackOverflow but figured I'd post it here too. Sorry in advance if thats not allowed. I'm trying to get my Arduino Yun to talk to an API that I'm hosting on Azure. I would like to do ...
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) ...
1 vote
1 answer
70 views

Arduino Yun Disk Expander low memory but it looks like my memory is fine

I can't quite understand this when I run arduino yun disk expander sketch with a sd card plugged in I get the the following message. You do not have enough flash memory need 1mb. I ssh into my arduino ...
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 ...
0 votes
1 answer
1k views

How can I assign the value of a char array to a uint8_t array?

I have a char array variable that has a value. I need to send this value through LoRa. The library I use for the LoRa implementation accepts an array of uint8_t. How can I pass the value of a char[] ...
0 votes
1 answer
145 views

I can't run shell commands on Linux through AVR sketch (Arduino Yun)

I'm a little confused with some Process.h methods. I'm trying to run the command "nc 192.168.1.15 9911" to the Linux processor through a sketch. The appropriate netcat listener is waiting on ...
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.
0 votes
1 answer
158 views

Trying to do hello world app for Nokia 5110 LCD with arduino yun and johnny five

I have a Nokia 5110 LCD which is using this display PCD8544, I am using a arduino yun and johnny five I have hooked up the following pins. So far with my node app all that happens is the lcd lights up....
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 /...
0 votes
3 answers
3k views

easy_install pip on Arduino Yun fails

I want to install pip on the Yún which is running Linino OS but every time I execute the standard steps for opkg i.e. # opkg update # opkg install distribute # okpg install python-openssl # ...
-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 ...
0 votes
3 answers
1k views

Sending file from PC to Arduino

How can i send a (file) from PC to Arduino Yun at running time ? There's a way to send some commands via Serial. But how would a whole file goes ? Assuming the file can take place at RAM without any ...
0 votes
1 answer
330 views

How to debug Arduino using Atmel studio?

I have an Arduino Yun board and an Atmel ICE programmer/debugger. There are 6 pins on the Arduino Yun to connect to Atmel ICE for programming only, but I can't find the pins for debugging. Anyway to ...
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 ...
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 ...
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 ...
0 votes
1 answer
147 views

Arduino Yun V2.0.1 can't configure WiFi

I can't configure at 192.168.240.1. It's giving me this message multiple times: 1- AJAX/HAR Error:0 has not allowed Arduino Configuration Wizard to complete. Details of my board: Arduino Yun V2.0.1 ...
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 ...
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(...
0 votes
1 answer
711 views

Arduino Yun connection problems

I followed this guide and evertything works until I'm at chapter Configuring the onboard WiFi. I can see the arduino as an AP. And I can connect with it. However when entering the IP adress 192.168....
2 votes
2 answers
139 views

REST API on Industrial 101 (Yún family) lags, then crashes

I have tried to set up a very simple REST API on an Arduino Industrial 101 (which is, as far as I understand, equivalent to a Yún). The Arduino is hooked up to a temperature sensor, which value is ...
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 ...
0 votes
1 answer
110 views

Arduino Yun can no longer send to Dropbox

A long time ago I had set up an Arduino Yun to send files to Dropbox... I tried now and it ends in "killed" when trying to install the latest Dropbox Python module. pip install (six, urllib3, etc etc)...
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 ...
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....
-1 votes
1 answer
20k 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 = 0;...
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) ...
0 votes
1 answer
910 views

Arduino YUN Rev. 2 power supply

I want to connect my YUN Rev. 2 to 7.4V. I read that the older version only provides exactly 5 V at the Vin Pin. Is the Rev. 2 similar to it? I read that the power supply should be improved, but what ...
1 vote
1 answer
103 views

Sending Multiple Information from BNO055 IMU to BridgeClient on Yun

I have an Arduino Yun which is interfaces via I2C to a Adafruit BNO055 breakout board. My Aim is to use Python Flask in conjunction with BridgeServer and BridgeClient to obtain the Sensor ...
0 votes
1 answer
88 views

What's the maximum number of keys in Yun Bridge?

The Yun has a Bridge for communicating between the Arduino and Linux processors via a key/value hash. The docs say this is actually stored on the Linux side, but it doesn't say what the limit is. How ...
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 ...
2 votes
4 answers
6k views

HTTP Requests using Arduino

I use this simple HTTP Post request to post some values on my API from Arduino using Switch. each time I push the switch it send a different values to API. void switch_led() { bool SwitchReading = ...
0 votes
1 answer
78 views

Adafruit Motor Shield and Bridge Library for Yun Shield

I am using the Leonardo board with the Adafruit Motor Shield v2, 2 steppers and the Yun Shield. The yun shield and steppers all run harmoniously, however, as soon as I do Bridge.begin() and anything ...
1 vote
1 answer
314 views

BridgeServer REST API with more string values

I wold like to make me a REST API with string values and more string Keys. like: ~http://url.tld/foo/bar/xy to get "bar" and do more... Can somebody tell me how to get the second word out of the ...
0 votes
1 answer
205 views

Arduino - Push Button State Problem

My problem is I want the buzzer to stop after a certain amount of time, regardless if it is still pressed or not. I have tried to implement a boolean statement to the code but to no avail(I'm not ...
1 vote
2 answers
2k views

Stop Arduino Timer after some seconds

I'm building a basic program that when a button is pressed, a buzzer comes on. I would like however to make it so that the buzzer stops after a short period of time (e.g. 5-7 seconds). Here is the ...
0 votes
1 answer
74 views

Arduino Uno and Arduino Yun software. Which version of the IDE works with both best?

I have been working with Unos and just started working with Yun. I have 1.86 currently installed but the Yun starts up saying to use 1.5.6-r2 Beta IDE. Should I uninstall 1.8.6 and install 1.5.6-r2? ...
0 votes
1 answer
41 views

Possibility to program the ATmega32u4 on the Arduino Yun using a configuration file

Is it possible to send a Configuration File viz. conf.json that can be sent to the Arduino Yun via Ethernet and a Python Program can parse the configuration and set for example Sampling Rate of a ...
0 votes
1 answer
284 views

Arduino Yun with PoE does not work when powered via PoE

I have a Arduino Yun with PoE with LininoOS version Linux arduino 3.3.8 #1 Thu Jun 2 12:28:33 CEST 2016 mips GNU/Linux I have the Version 4.0 of the module. I often notice that when I connect ...
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 ...
0 votes
2 answers
934 views

Recover from wrong Wi-Fi password on Arduino Yún

I'm trying to customize my Arduino Yún to work as an access-point (or hotspot) for providing services to clients directly connected and, alternatively, to work as a client on a wireless network for ...