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by salvato
Tue Nov 27, 2018 5:40 am
Forum: Off topic discussion
Topic: IoT Hardware Education
Replies: 25
Views: 3934

Re: IoT Hardware Education

Hi,
my 2 cents...
try to find a person that is well founded in hardware and collaborate.
please forget my english...
by salvato
Wed Oct 10, 2018 8:52 pm
Forum: General discussion
Topic: OpenCV install error
Replies: 4
Views: 331

Re: OpenCV install error

by salvato
Wed Oct 10, 2018 6:03 pm
Forum: General discussion
Topic: OpenCV install error
Replies: 4
Views: 331

Re: OpenCV install error

Hi,
Try changing all back smash with forward slash
by salvato
Tue Sep 25, 2018 2:33 pm
Forum: Troubleshooting
Topic: WiFi stop working after a random time
Replies: 7
Views: 907

Re: WiFi stop working after a random time

Thank you for taking care of my problem. The Raspberry is a 3B model bought at least two years ago. The OS was reinstalled recently in a fresh SD and it is regularly updated with: sudo apt update && sudo apt upgrade -y I use this Raspberry to connect via a National Instruments GPIB interface to some...
by salvato
Tue Sep 25, 2018 2:10 pm
Forum: Troubleshooting
Topic: WiFi stop working after a random time
Replies: 7
Views: 907

Re: WiFi stop working after a random time

Could be 4.14.70-v7+
by salvato
Tue Sep 25, 2018 2:08 pm
Forum: Troubleshooting
Topic: WiFi stop working after a random time
Replies: 7
Views: 907

Re: WiFi stop working after a random time

Good question but... too late !
My memory is almost gone :? I'm sorry of not being able to answer .
by salvato
Tue Sep 25, 2018 1:54 pm
Forum: Troubleshooting
Topic: WiFi stop working after a random time
Replies: 7
Views: 907

Re: WiFi stop working after a random time

Yes. I use the official 3A Power supply.
Anyway I did a

Code: Select all

rpi-update
and now the Raspberry has been running for more than 4 hours without giving problems.
I hope to have solved the problem.
I'll update the status when I'll be sure that the problem has been really solved.
by salvato
Tue Sep 25, 2018 7:55 am
Forum: Troubleshooting
Topic: WiFi stop working after a random time
Replies: 7
Views: 907

WiFi stop working after a random time

Hello, I'm facing a problem with the internal WiFi in Raspberry 3B. I have set the RPi as an access point and everything seem working well. I can connect to the access point, use ssh or VNC to work remotely. BUT... after a random interval the SSID disappear from the list of WiFi and the only way to ...
by salvato
Wed Aug 29, 2018 4:56 pm
Forum: General discussion
Topic: [Solved] Problem in creating a WiFi Access Point
Replies: 0
Views: 1329

[Solved] Problem in creating a WiFi Access Point

Hello all. I'm facing a problem with creating a WiFi Lan (not connected to internet) by using the internal WiFi interface. I'm running the latest Raspbian distribution and the system is regularly updated. uname -a Linux MainPanel 4.14.62-v7+ #1134 SMP Tue Aug 14 17:10:10 BST 2018 armv7l GNU/Linux I ...
by salvato
Mon Jul 23, 2018 11:35 am
Forum: Italiano
Topic: Sensore di pressione ad immersione
Replies: 1
Views: 720

Re: Sensore di pressione ad immersione

Non proprio a buon mercato... ma funziona !

https://www.bluerobotics.com/store/elec ... sensor-r1/

Gabriele
by salvato
Mon Jun 18, 2018 3:09 pm
Forum: General discussion
Topic: omxplayer on startup: no module named omxplayer
Replies: 3
Views: 746

Re: omxplayer on startup: no module named omxplayer

Not sure since you did not show your script... but I suspect that you have to specify the full path of omxplayer.
by salvato
Sun Apr 08, 2018 5:21 am
Forum: General discussion
Topic: VNC and ad-hoc wifi
Replies: 2
Views: 850

Re: VNC and ad-hoc wifi

https://www.raspberrypi.org/documentati ... s-point.md
Follow the instructions and stop at the paragraph ADD ROUTING AND MASQUERADE. You will have your WiFi network and you can connect to the Raspberry using VNC
by salvato
Fri Nov 10, 2017 10:06 am
Forum: General discussion
Topic: Arduino sensors on RPi
Replies: 2
Views: 1011

Re: Arduino sensors on RPi

Hi,
If the sensors can work at 3.3 volts the answer is YES otherwise you will need to use some means to adapt the Input/Output levels to the 3.3 Volt limits of the Raspberry.
by salvato
Fri Apr 07, 2017 11:39 am
Forum: General discussion
Topic: How quit fullscreen application?
Replies: 16
Views: 20692

Re: How quit fullscreen application?

Sorry I have misread your question.
If any combination of keys would work for you, then why not to check for that combination from inside your application and exit the program cosequently ?

Gabriele
by salvato
Fri Apr 07, 2017 10:29 am
Forum: General discussion
Topic: How quit fullscreen application?
Replies: 16
Views: 20692

Re: How quit fullscreen application?

Hi,
try to write a small shell script that after the execution of your program execute:

Code: Select all

xrefresh -display :0
Gabriele
by salvato
Tue Jan 24, 2017 11:06 am
Forum: General discussion
Topic: Ideas for having museum visitors indicate where they live?
Replies: 20
Views: 3718

Re: Ideas for having museum visitors indicate where they liv

Asking for phone country code ?
by salvato
Mon Dec 05, 2016 4:41 pm
Forum: General discussion
Topic: Detect Movement of the RPi itself
Replies: 7
Views: 1357

Re: Defect Movement of the RPi itself

By using an accelerometer like this one ?
https://www.adafruit.com/product/163
by salvato
Tue May 03, 2016 10:57 am
Forum: General discussion
Topic: Help: Qt and Bluetooth
Replies: 0
Views: 443

Help: Qt and Bluetooth

Hi all, I have installed Qt in Jessie with: sudo apt-get install qtcreator then I've installed qmake with sudo apt-get install qt5-qmake then sudo apt-get install libqt5bluetooth5 and sudo apt-get install qtconnectivity5-dev . I'm lost because Qt does seem not to recognize my Bluetooth dongle. In fa...
by salvato
Sat Jan 26, 2013 2:55 pm
Forum: Italiano
Topic: Problema con omxplayer
Replies: 5
Views: 1541

Re: Problema con omxplayer

by salvato
Fri Jan 25, 2013 5:15 pm
Forum: Italiano
Topic: Problema con omxplayer
Replies: 5
Views: 1541

Re:[Solved] Problema con omxplayer

Scusate... :oops: Era un errore mio... Funziona alla grande !
by salvato
Thu Jan 24, 2013 3:00 pm
Forum: Italiano
Topic: Problema con omxplayer
Replies: 5
Views: 1541

Re: Problema con omxplayer

Scusate...
il codice di avvio è:

Code: Select all

          activeProcess = new QProcess(this);
          connect(activeProcess, SIGNAL(finished(int, QProcess::ExitStatus)),
                  this, SLOT(processProcessFinished()));
            activeProcess->start("/usr/bin/omxplayer -o hdmi /home/pi/colors.mp4");
by salvato
Thu Jan 24, 2013 2:56 pm
Forum: Italiano
Topic: Problema con omxplayer
Replies: 5
Views: 1541

Problema con omxplayer

Salute a tutti ! Eccomi di nuovo a chiedere un aiuto alla comunità. Ho scritto un programmino in c++ utilizzando QtCreator. Il programma, su richiesta dell'utente, crea un processo che esegue omxplayer per mostrare a video un filmato mp4. Tutto sembra funzionare e il filmato procede fino al termine....
by salvato
Wed Jan 16, 2013 6:58 pm
Forum: Italiano
Topic: Avvio automatico
Replies: 3
Views: 8706

Re: Avvio automatico[Solved]

Fatto !
Per coloro che fossero interessati... ho seguito le istruzioni in https://wiki.archlinux.org/index.php/LX ... t_Programs.
Ho creato un file ~/.config/lxsession/LXDE/autostart contenente una riga con l'invocazione del mio programma.
Saluti
by salvato
Wed Jan 16, 2013 8:56 am
Forum: Italiano
Topic: Avvio automatico
Replies: 3
Views: 8706

Re: Avvio automatico

http://www.raspberrypi.org/phpBB3/viewtopic.php?f=27&t=7311 enjoy Quasi fatto ! Ora l'RPi parte senza necessità di login e con l'interfaccia grafica attiva. Mi resta solo da capire come far partire automaticamente il mio programma. Immagino che il server X abbia uno script di partenza e che io debb...
by salvato
Tue Jan 15, 2013 9:36 pm
Forum: Italiano
Topic: Avvio automatico
Replies: 3
Views: 8706

Avvio automatico

Salute a tutti. Ho ricevuto da qualche settimana il mio fiammante giocattolo. Ho sviluppato un simpatico programmino per mezzo di QtCreator. Il programma usa le interfacce grafiche disponibili ed ora vorrei fare in modo che il programma possa essere eseguito automaticamente all'accensione del RPi se...

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