Raspberry Pi Forums

dominicclifton

rgh wrote:Gesture Recognition... neat

I've published my code here:

https://github.com/hydra/GestureRecognizer

Why not give it a try?

dominicclifton

Hi, I grabbed your code and integrated it with some Accelerometer based Gesture Recognition code i found and it worked great after a bit of tweaking! Thanks for sharing. I found, that because I have a new raspberry pi, that /dev/i2c-0 did not work and had to use /dev/i2c-1 (see pinout differences on...

dominicclifton

Check your ip address with 'ifconfig' it should be the ip address of the Pi itself.

dominicclifton

Well done! Good to see your LEDs working. Now you just have to run pixelpi in ambipi mode and my xbmc build and set your networking settings up.

dominicclifton

when leds are only connected to a PSU with no clock and data signals they will behave randomly. connect up to the pi, run pixel pi's 'chase' mode to test them.

dominicclifton

first off, try with just one set of LEDs.

second, how are you testing the LEDs? using pixelpi? if so what command are you using?

dominicclifton

Also, if you look at the LEDs' circuit boards under a magnifying glass (or digital camera zoom) you can probably work out which color is which from the markings on the LEDs' PCBs.

dominicclifton

Yeah, that looks right. If you get the clock and data the wrong way round you won't do any harm, but don't get the +5V line wrong. What i did is to connect my LED's +5v and Ground at BOTH ENDS to my PSU and then connect the PSU to the Pi. And then finally connect the clock and data to the Pi. The re...

dominicclifton

LEDs are on special offer from the people i bought mine from (alas, not adafruit due to uk import duty). Price lists here: http://www.wst168.com/E_Download.asp Contact details here: Shenzhen Diya lighting Co.ltd (Shenzhen) Diya Industry Co., Ltd (Hongkong) Factory:#21,ShanCheng Industry Zone,Songbai...

dominicclifton

would not recommend using hub to power the LEDs, hook it up as per wiriing diagram i linked to. Don't use the microusb connector.

dominicclifton

Ive just finished my adjustable frame for my monitor and my tv

Awesome, make sure you guys upload photos of your hardware and pop a video on youtube too!

dominicclifton

Latest AmbiPi code for PixelPi is now there:

https://github.com/hydra/PixelPi/commits/ambipi

dominicclifton

I'll ensure the latest code is in github ASAP. Sorry about that.

dominicclifton

I got the 512MB RAM Version, is that enough resource?

I was referring to CPU resources.

dominicclifton

Download an XBMC build from here: http://hydraservices.com/files/ambipi Ensure you backup your existing XBMC profile before you use it. If you encounter problems use a fresh XBMC profile. profiles (on windows 7) are stored in: C:\Users\<username>\AppData\Roaming\XBMC Note that this is an unstable bu...

dominicclifton

Sure. Hook up the raspberry pi as per this diagram: http://learn.adafruit.com/light-painting-with-raspberry-pi/hardware Ensure you use a common ground when wiring up. I found the LEDs did not work if i powered the RPI and LEDs seperately. I found an old 5V 2A PSU I had lying around and that is fine ...

dominicclifton

The Pi has loads more resources than an ardiuno. If you're making a custom device that just does one thing an arduino might be suitable. But from what I read people driving lots of LEDs found the basic arduino's a bit slow. Have a look at existing projects and code and see what you can find out.

dominicclifton

Well, my approach at first was to access the image data during the rendering process via a callback by using RenderManager to give my code the image. However this was problematic as some videos work but other ones that are encoded differently caused my code to crash because there's no checking going...

dominicclifton

I did a few commits today that at least makes full 1080p videos like Avatar play back without issue? Here's a video of my work in action: http://youtu.be/AP2fJgS-b8g Installation pictures here: https://www.facebook.com/media/set/?set=a.10151444556154829.587051.663494828&type=3 Source here: http://gi...

dominicclifton

Is performing a grab not possible then or is it just too slow? I'm having performance issues with my XBMC modifications at the moment.

dominicclifton

plfort wrote:Hi Dominic,
Is XBMC running on the Raspberry Pi? Or on another computer ?
Edit : Sorry, this is indicated in your previous post ...

Currently my mods to xbmc are wndows specific but I'm working on making it cross platform. Were you wanting to run it on the pi?

dominicclifton

check it:

http://www.raspberrypi.org/phpBB3/viewt ... 53#p181153

dominicclifton

A video of my work (AmbiPi) is here:

www.youtube.com/watch?v=v_h1wK67oEw

dominicclifton

My project, AmbiPi, is going well. Current source code (for XBMC) is here: https://github.com/hydra/xbmc/commits/master And I'm using a custom Python client, which can be found here, long term i plan to use C, but the python code will do for now. https://github.com/hydra/PixelPi/tree/ambipi The nice...

dominicclifton

I would just like to say that I ordered 3 Raspberry Pi's from CPC on the 12th of September and the ones I received today (14th September) WERE NOT the Model B, Revision 2. http://cpc.farnell.com/jsp/search/productdetail.jsp?SKU=SC12590 BEWARE if you are ordered from them. On the bright side they enc...

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