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by nonlinearmind
Mon Sep 22, 2014 12:35 am
Forum: Networking and servers
Topic: Best way to control RPis via a web sockets server?
Replies: 3
Views: 1010

Re: Best way to control RPis via a web sockets server?

I think mosquito will work for what I'm trying to do. I have a broker set up, and a PHP client. I'm having trouble with the Python subscriber that will be running on the raspberry. Do you happen to have a simple Python example of subscribing to a topic?

thanks
by nonlinearmind
Sat Sep 20, 2014 7:10 pm
Forum: Networking and servers
Topic: Best way to control RPis via a web sockets server?
Replies: 3
Views: 1010

Best way to control RPis via a web sockets server?

I want to control multiple RPis through a webpage on a central server. The RPis are spread out remotely on different networks that won't have configurable ports. My goal is to set up a websocket between them and a central websocket server. There seem to be many different choices out there and I'm re...
by nonlinearmind
Mon Aug 04, 2014 7:42 pm
Forum: Camera board
Topic: Video and Audio streaming
Replies: 1
Views: 703

Video and Audio streaming

I'm trying to send a combined video and audio stream to a crtmpserver. The audio quality isn't as important as having it be low-latency and in sync. I'm close right now with this: raspivid -t 0 -w 640 -h 480 -fps 20 -b 2000000 -o - | ffmpeg -i - -f alsa -ac 1 -i hw:0,0 -map 0:0 -map 1:0 -vcodec copy...
by nonlinearmind
Thu Jul 31, 2014 2:17 am
Forum: Camera board
Topic: I need help adding audio to my RTMP stream
Replies: 6
Views: 4072

Re: I need help adding audio to my RTMP stream

I get this error message:
Unknown input format: 'alsa'
by nonlinearmind
Wed Jul 30, 2014 6:04 pm
Forum: Camera board
Topic: I need help adding audio to my RTMP stream
Replies: 6
Views: 4072

I need help adding audio to my RTMP stream

I currently have a RTMP video stream from the camera module, and I want to add audio from a USB mic. I'm trying this: raspivid -t 0 -fps 25 -ex auto -b 500000 -o - | ffmpeg -f oss -ac 1 -ar 44100 -i /dev/dsp1 -i - -vcodec copy -f flv -metadata streamName=myStream tcp://192.168.1.20:6666 And end up w...
by nonlinearmind
Thu Jul 24, 2014 12:05 am
Forum: Camera board
Topic: RPi > crtmpserver > JWPlayer
Replies: 1
Views: 2410

RPi > crtmpserver > JWPlayer

I'm trying to set up my RPi with camera module to feed a stream to crtmpserver on a server, and from there be viewable on a webpage using JWPlayer. I've been trying many things and feel like I'm close. I just can't get video to stream to VLC or JWPlayer. Here's what I have: Send video from RPi to cr...
by nonlinearmind
Sun Feb 02, 2014 5:26 pm
Forum: Networking and servers
Topic: Best approach for controlling many RPis over the internet
Replies: 4
Views: 1401

Best approach for controlling many RPis over the internet

I looking to control 10 or more RPis over the internet from a single website. From the googling I've been doing, I need a central web socket server that each of the Pis connect to. I'm not very familiar with web sockets and have looked into socket.io on node, autobahn and twisted, and tornado. It's ...
by nonlinearmind
Fri Jan 03, 2014 3:34 am
Forum: Python
Topic: Python + EasyDriver + Stepper motor?
Replies: 11
Views: 23085

Re: Python + EasyDriver + Stepper motor?

davef21370 wrote:I've written a module to control the easydriver here https://github.com/davef21370/EasyDriver it's not quite complete but could be useful.

Dave.
Could you describe the pin assignments for your easy driver module?
Thanks.
by nonlinearmind
Wed Feb 27, 2013 7:14 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: i2c not detected on MOD-IO 2 relays interface
Replies: 6
Views: 1394

Re: i2c not detected on MOD-IO 2 relays interface

Davespice wrote:Hi spidermedia, I've just moved your post to a better forum for this topic.
What forum was this moved to? I'm having the same issue and it'd have been nice if you linked to where the original post now is.
by nonlinearmind
Thu Jan 17, 2013 8:31 pm
Forum: Beginners
Topic: How to format an USB drive with root permissions?
Replies: 1
Views: 698

How to format an USB drive with root permissions?

Two questions:

1. How do I format my external USB drive with Raspbian?

2. Can a FAT partition have root ownership? If so, how?

Ok, that's 3 questions!
by nonlinearmind
Thu Jan 10, 2013 3:31 am
Forum: General discussion
Topic: Siri: Open my garage door..
Replies: 219
Views: 323609

Re: Siri: Open my garage door..

How/where is WiringPi installed to make this work? Unfortunately, I don't know anything about Ruby.
by nonlinearmind
Mon Jan 07, 2013 8:38 pm
Forum: General discussion
Topic: Chromium for Raspberry Pi BETA
Replies: 99
Views: 114299

Making a chromium icon on the desktop

Total noob question: Is there a way to make a shortcut icon rather than typing

chrome –disable-ipv6

to launch?
by nonlinearmind
Fri Jan 04, 2013 4:55 pm
Forum: Graphics, sound and multimedia
Topic: Best Video Performance Without Using GPU
Replies: 1
Views: 1590

Re: Best Video Performance Without Using GPU

Can you please describe how you are streaming video/audio from your RPi? I've been trying several things, but have not been able to successfully stream video and audio. Here's what I've been trying with avconv with no success: avconv -v debug -f alsa -ac 1 -i hw:1,0 -acodec libmp3lame -itsoffset 00:...
by nonlinearmind
Wed Jan 02, 2013 11:20 pm
Forum: Other programming languages
Topic: Node.js 0.8.15 already compiled package
Replies: 21
Views: 10696

Re: Node.js 0.8.15 already compiled package

Thanks for posting this! My own compiles kept quiting after an hour!
by nonlinearmind
Fri Dec 21, 2012 3:48 pm
Forum: Python
Topic: Raspberry crashing when pin 25 voltage drops
Replies: 4
Views: 1129

Re: Raspberry crashing when pin 25 voltage drops

Unfortunately, that's not the problem. I double-checked my connections and have it connected to the gpio 25 pin.
by nonlinearmind
Thu Dec 20, 2012 11:30 pm
Forum: Python
Topic: Raspberry crashing when pin 25 voltage drops
Replies: 4
Views: 1129

Raspberry crashing when pin 25 voltage drops

I'm trying to run a simple mp3 script from adafruit , where pushing a button plays an mp3. I have a button wired up from 3.3v to pin 25. When the voltage drops, the mp3 is supposed to play. When I press the button, voltage is cut in half, but instead of playing the mp3, it crashes and reboots. Why i...
by nonlinearmind
Sun Dec 16, 2012 8:12 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: 'smbus' not defined
Replies: 1
Views: 1281

'smbus' not defined

I'm trying to get a Servo motor running using the Adafruit 16 channel breakout board in this tutorial: http://learn.adafruit.com/adafruit-16-channel-servo-driver-with-raspberry-pi/using-the-adafruit-library I've changed the settings for the RPi revision and keep getting the following error from line...
by nonlinearmind
Fri Dec 14, 2012 4:20 pm
Forum: Beginners
Topic: Need restored interfaces & wpa_supplicant files
Replies: 19
Views: 6308

Re: Need restored interfaces & wpa_supplicant files

That helps. Thanks!
by nonlinearmind
Thu Dec 13, 2012 3:50 am
Forum: Beginners
Topic: Need restored interfaces & wpa_supplicant files
Replies: 19
Views: 6308

Need restored interfaces & wpa_supplicant files

I am a newbie and I've managed to completely screw up my interfaces file and my wpa_supplicant.conf file in my Raspbian install. Could somebody please post the default settings of these two files so that I can restore them properly? Thanks!

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