Unanswered Questions
38 questions with no upvoted or accepted answers
4
votes
0
answers
674
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) ...
3
votes
0
answers
136
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'...
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 ...
3
votes
0
answers
404
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 ...
3
votes
0
answers
317
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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.
3
votes
0
answers
1k
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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 ...
3
votes
0
answers
956
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 ...
2
votes
0
answers
76
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'...
2
votes
0
answers
116
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 ...
2
votes
0
answers
2k
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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 ...
2
votes
0
answers
167
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?: ...
2
votes
0
answers
267
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, ...
2
votes
0
answers
57
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
0
answers
70
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?
2
votes
0
answers
59
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 ...