Various projects and back from the land of the sick
jeff at scaparra.com
Wed Aug 15 19:54:48 CDT 2012
I got 4 pi's I have two of them running openelec and have overclocked them
to 1GHz. I am streaming and playing 1080p movies from my computer now with
easy :). I haven't decided what exactly I am going to do with the other two
but I installed arch linux on them and I am using them for testing client
server software I am working on for the time being.
On Wed, Aug 15, 2012 at 3:46 PM, Terry Fox <tfox at knology.net> wrote:
> Thanks for the email Martin. I hooked my Pi up last night, and got it
> working with wheezy. I’m surprised about how X seems to hang for seconds
> at a time sometimes. I guess if you stay away from X and use terminal
> sessions it might be better.
> I started looking at the PCM/I2S interface for digital audio ins & outs.
> From what I was able to discern, only two of the four required signals are
> routed from the IC to the GPIO connector. The other two may not have been
> routed anywhere, which eliminates I2S usage. Too bad. Maybe the redesign
> will correct that. For now, USB sound cards are the only way to go.
> I’d be interested in the road show if it comes to an area near me.
> I’m glad that you are messing with HSMM. Please let me know how you do,
> and I will here as well.
> 73, Terry, WB4JFI
> *From:* Martin <dcmk1mr2 at gmail.com>
> *Sent:* Wednesday, August 15, 2012 11:11 AM
> *To:* Terry Fox <tfox at knology.net>
> *Cc:* tacos at amrad.org
> *Subject:* Re: Various projects and back from the land of the sick
> Glad to hear you're feeling better Terry.
> I just got my Rasberry Pi up and running Rasberian. The distro is more
> bare bones than I was expecting. I am planning on starting simple and
> blinking LEDs with it. I hear there is redesigned version coming that has
> better IO and some other features. I've been looking for info on things
> like which pins have PWM and how to control. I'm not sure how much of this
> information is going to be made available due to NDAs between Broadcom and
> Rasberrry Pi Foundation.
> There is going to be Rasberry PI road show in September. It'll be at
> HacDC on Sept 26. I think there will be a NOVA presentation and I'll post
> that information ASAP. I'll check to see if Charleston is planned.
> I've been tinkering with HSMM. I've been looking at some simple voice
> chat/conference applications. There are several older one that would be
> great if they ran on more than XP. I got Mumble (
> http://mumble.sourceforge.net/) running but there doesn't appear to be
> any way to turn off AES encryption so I don't think it's suitable for ham
> use. Yawcam is simple to set up for web cam sharing.
> Martin, KB3UJQ
> On Tue, Aug 14, 2012 at 5:08 PM, Terry Fox <tfox at knology.net> wrote:
>> Hello there tacoistas. My recent bout with bad bronchitis is fading
>> into the past, and I’m once more able to concentrate on something more
>> sophisticated than breathing.
>> I have various projects that I was wondering what others might be doing
>> similar stuff.
>> 1. Anyone doing stuff with the Raspberry Pi? I still have two on order
>> from Allied, but took a chance and ordered a third from Newark on Aug.8.
>> It showed as backordered, but the Pi was at my front door on Aug.13. So, I
>> have one here, but no power supply (not a fan of using the new oddball
>> mini-USB connector for 5V @ 750ma or more). I have a couple of projects in
>> mind, starting with SDR control, then possibly as a device to suck in
>> analog I/Q samples and making them available over the local LAN. I see
>> John Melton has two Pis running, one as the SDR server, the other as a
>> thin-client SDR back end. He overclocks the Pis to 1GHz to achieve
>> sustained throughput.
>> The Pi has two things going for it: 1) more powerful processor than the
>> Arduino; 2) you can run Linux on it. Of course, that second one is a
>> double-edged sword!
>> 2. I am also interested in using wifi with Arduinos. I have several
>> different Arduino things going on, and want to try wifi to remove the
>> wires. I have a Wifly shield from Sparkfun, and a LinkSprite(?) shield
>> from ebay, but haven’t gotten far in doing anything with them yet.
>> 3. Anybody doing anything with the hsmm-mesh stuff? I'm interested in
>> both the range capabilities, and running any actual useful apps on top of
>> the mesh – in other words using a mesh network to do something useful. Mel
>> and I both have a few nodes each now, and are making plans to attempt to
>> cross the Ashley River, the distance between us is about 1 mile. A few
>> trees and one house are in the way, I may be able to bounce off the side of
>> a different house. I’ve tried a free Windows video conference program
>> (VideoNet), but cannot get it to reliably work. Apparently, Win7 has
>> problems with it, and using XP is flaky here as well.
>> 4. I’m still playing mostly with SDRs, and SDR-related stuff. I finally
>> built my SDR-Widget and got it mostly running. Maybe I’m thick, but I am
>> having problems figuring out what firmware to run with what Windows
>> drivers. To me, that project needs some serious organization, which I
>> think it is finally getting.
>> That’s it for the moment.
>> 73, Terry, WB4JFI
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>> Tacos at amrad.org
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