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by g3sna
Sun Mar 03, 2013 8:30 pm
Forum: Teaching and learning resources
Topic: Linux command line reference guide
Replies: 10
Views: 8992

Re: Linux command line reference guide

The file at the following link might be useful if you have used DOS commands in the past.

http://dl.dropbox.com/u/80214116/DOS-Li ... mmands.doc
by g3sna
Mon Jan 07, 2013 8:50 pm
Forum: Raspbian
Topic: How to replace amixer card default?
Replies: 2
Views: 640

Re: How to replace amixer card default?

It did. See my comment there. Many thanks. Great support.
mad-hatter wrote:Hi,

I don't know if this link will help.
It talks about pulseaudio.

http://www.raspberrypi.org/phpBB3/viewt ... 63&t=26936

Regards
by g3sna
Mon Jan 07, 2013 8:46 pm
Forum: General discussion
Topic: No sound on 2012-12-16-wheezy-raspian
Replies: 14
Views: 6172

Re: No sound on 2012-12-16-wheezy-raspian

Thank you. I did a fresh install to the SD card first. Then followed your suggestion. That changes the Card default as seen by "amixer info" to 'ALSA'/'bcm2835 ALSA' which is what I had in the 18-9-2012 version. Did a reboot after installing VLC and all working. 8-) Stuart I'll probably get shouted ...
by g3sna
Mon Jan 07, 2013 4:48 pm
Forum: Raspbian
Topic: How to replace amixer card default?
Replies: 2
Views: 640

How to replace amixer card default?

I have Raspian Wheezy 16-12-2012. I'm trying to get VLC to play audio through the analogue output. I see that amixer info gives Card default as 'pulse'/'Pulse Audio'. How to do I change it to 'ALSA'/'bcm2835 ALSA' which is what it was with the previous (working) version dated 18-9-2012? I'm assuming...
by g3sna
Mon Jan 07, 2013 4:07 pm
Forum: General discussion
Topic: No sound on 2012-12-16-wheezy-raspian
Replies: 14
Views: 6172

Re: No sound on 2012-12-16-wheezy-raspian

Can someone please explain what the problem is? I have the same trouble running VLC and getting no analogue audio (My HDMI based monitor does not have any built in speakers). On the previous distribution I had (18-9-12) it worked fine - and still does if I plug that SD card in. All the settings in a...
by g3sna
Thu Jul 19, 2012 7:13 pm
Forum: Raspbian
Topic: Raspbian-weezy and GPIO
Replies: 6
Views: 6679

Re: Raspbian-weezy and GPIO

Just to complete the thread I have attached by TrafficLight.py code (no indents). On my breadboard each LED circuit is the same. One lead of the LED is connected to 3.3v and the other lead is connected to the collector of an NPN transistor via a 330 ohm resistor. The emitter of the NPN goes to groun...
by g3sna
Thu Jul 19, 2012 8:18 am
Forum: Raspbian
Topic: Raspbian-weezy and GPIO
Replies: 6
Views: 6679

Re: Raspbian-weezy and GPIO

Many thanks.

I'm learning as I go! That was good info. My Traffic Light simulation on a breadboard is now working again. Just had to add one more line: -
GPIO.setmode(GPIO.BOARD)

Very :)
by g3sna
Wed Jul 18, 2012 4:00 pm
Forum: Raspbian
Topic: Raspbian-weezy and GPIO
Replies: 6
Views: 6679

Re: Raspbian-weezy and GPIO

Thank you asb and plugwash. asb: Can you explain where these files need to go? I have downloaded the file and expanded it in /tmp but I need to move the various items. Where to? plugwash: I'll try that if the above continues to be unsuccessful. BTW: I'm using the new Raspbian-wheezy distribution whi...
by g3sna
Wed Jul 18, 2012 6:57 am
Forum: Raspbian
Topic: Raspbian-weezy and GPIO
Replies: 6
Views: 6679

Raspbian-weezy and GPIO

Hi,

I downloaded RPi.GPIO-0.3.1a, extracted it and tried to install with "sudo python setup.py install" but it failed after the "building `RPi.GPIO` extension" with fatal error: Python.h: No such file or directory.

Can anyone advise please?

Thanks,

Stuart
by g3sna
Fri Jun 22, 2012 4:02 pm
Forum: Teaching and learning resources
Topic: "Teacher training": learn Python on Udacity starts Monday 20th Feb
Replies: 7
Views: 4203

Liam s youtube tutorials

http://www.youtube.com/user/RaspberryPiTutorials

I have found these tutorials easy to follow. I would suggest starting at #6.

Stuart
by g3sna
Sun May 27, 2012 11:49 am
Forum: Troubleshooting
Topic: No sound after startx
Replies: 24
Views: 6796

Re: No sound after startx

Try this. Before startx type:

sudo modprobe snd_bcm2835

Then startx
by g3sna
Sun Apr 29, 2012 2:00 pm
Forum: General discussion
Topic: Programming advice
Replies: 8
Views: 1806

Re: Programming advice

<r>Hi,<br/> <br/> I am following Liam"s tutorials on you tube to learn Python.<br/> <br/> I have modified his markarray.py program to allow variable numbers of entries and to print out a list of those entries plus the average.  Here"s the code:<br/> <br/> #!/usr/bin/env python<br/> <br/> """<br/> Th...
by g3sna
Wed Mar 07, 2012 11:13 am
Forum: General discussion
Topic: Post your estimated arrival dates
Replies: 323
Views: 53195

Re: Post your estimated arrival dates

Hi

Placed my order on 4 March with Farnell and I now have a delivery estimate of 14 May.

Ah well. Just have to be patient.

Stuart
by g3sna
Mon Mar 05, 2012 8:24 pm
Forum: General discussion
Topic: Linux before the Pi arrives
Replies: 16
Views: 3850

Re: Linux before the Pi arrives

<t>Regarding the Debian .iso image used to make an SD card I think this might be a special image for the Pi so I wouldn't waste time buring it to a CD. Not sure if this is correct so try Ubuntu first, find the terminal program under Applications/Accessories and try some commands. Type 'help' to get ...
by g3sna
Mon Mar 05, 2012 8:23 pm
Forum: General discussion
Topic: Linux before the Pi arrives
Replies: 16
Views: 3850

Re: Linux before the Pi arrives

<t>Regarding the Debian .iso iamge used to make an SD card I think this might be a special image for the Pi so I wouldn't waste time buring it to a CD. Not sure if this is correct so try Ubuntu first, find the terminal program under Applications/Accessories and try some commands. Type 'help' to get ...
by g3sna
Mon Mar 05, 2012 8:14 pm
Forum: General discussion
Topic: Linux before the Pi arrives
Replies: 16
Views: 3850

Re: Linux before the Pi arrives

Ubuntu gives a nice easy result.
by g3sna
Mon Mar 05, 2012 8:11 pm
Forum: General discussion
Topic: Linux before the Pi arrives
Replies: 16
Views: 3850

Re: Linux before the Pi arrives

The link didn't appear correctly

http://ubuntu.com/download/ubu.....u/download

the dots bit should read ubuntu

(fedora is more of a challenge for new comers)
by g3sna
Mon Mar 05, 2012 8:02 pm
Forum: General discussion
Topic: Linux before the Pi arrives
Replies: 16
Views: 3850

Re: Linux before the Pi arrives

<r>Hi Texy,<br/> <br/> I"ve tried a few distributions of linux over the years and I think the best to date is Ubuntu. Rather than do a disk install why not create a live CD version and boot from that. There"s no danger of messing up your windows installation then.<br/> <br/> Go to   -  <URL url="htt...
by g3sna
Sun Mar 04, 2012 9:00 am
Forum: Off topic discussion
Topic: I have placed my order with Farnell - bring on the Pi!
Replies: 7
Views: 1529

Re: I have placed my order with Farnell - bring on the Pi!

<t>Hi Everyone,<br/> <br/> I'm looking forward to getting my hands on a Pi and seeing what I can do with it. Seems an excellent idea and should breed some innovative products. Just what the UK needs to regain a place in the technology race.<br/> <br/> I placed my order yesterday and am all set to go...
by g3sna
Mon Dec 26, 2011 4:58 pm
Forum: General discussion
Topic: STICKY: Introduce yourself!
Replies: 3511
Views: 93552

Re: Introduce yourself!

<t>Hi All,<br/> <br/> I have been involved professionally with computers and their semiconductor components since 1968 In 1982 I built a ZX81 from a kit and programmed it in Z80 code by hand (no assembler - had to work out the relative jumps myself) Since then I have owned a BBC Micro and an Archime...

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