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Harrison.
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  		   Posted 9/1/2007 10:30 PM (GMT -7)    Quote This PostAlert An Admin About This Post.
A post in the Sandbox recently re-sparked my interest in imaging with the Propeller. I purchased a serial camera module (C328-7640) that does onboard JPEG encoding, while also allowing the host processor to pull raw images up to 640x480 color.

I used this camera to capture images every 30 seconds to a SD card to provide time lapse imagery. Using ffmpeg (an open source video manipulation package), I could convert the large file of images to a flv (flash video file), which could then be viewed as a time lapse video. It was pretty cool but didn't really do anything advanced so I never posted it.

I also remember rjo and others were interested in Propeller image capture so I am posting a link to the camera so those interested could take a look. You will probably want to purchase the camera right away if you want it because they go out of stock pretty fast (I was lucky, there was 1 left when I ordered back in May). Make sure you get a camera with the IR cut filter, otherwise bright sunlight will cause problems. Electronics123 is very reliable and their online ordering and shipping system is very advanced, especially for a hobby shop.

Attached are a few example images.

C328-7640
www.electronics123.com/s.nl/it.A/id.2581/.f

Harrison
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El Paisa
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  		   Posted 9/2/2007 7:51 AM (GMT -7)    Quote This PostAlert An Admin About This Post.

Hi:

I just bought one camera.  Looks very interesting.

Have you write any programs for the propeller?

I am really interested, thanks in advanced.

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Leon
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  		   Posted 9/2/2007 9:08 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
I've been interested in that C328 camera for some time (I couldn't find a UK supplier)so I've ordered one.
 
They have 23 in stock, now.
 
Leon
 

Amateur radio callsign: G1HSM
Suzuki SV1000S motorcycle

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rjo_
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  		   Posted 9/2/2007 11:26 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
Harrison,

You are such a tease:) You probably have it writing to a thumb-drive and are waiting on that too!!!!

Rich
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Graham Stabler
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  		   Posted 9/3/2007 1:04 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
That's a neat little unit and 640X480 is a useful resolution for lots of scientific devices.

Graham
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Timothy D. Swieter
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  		   Posted 9/4/2007 5:00 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
That is a great looking little camera modules. Does Electronics123 make this module? If not, who produces it?

A couple of those on a robot or rocket or weather ballon would be light and produce decent images.

Timothy D. Swieter
tdswieter.com
------------------------------------------------------------
One little spark of imagination is all it takes for an idea to explode

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ALEXANDRE
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  		   Posted 9/4/2007 8:20 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
I did a i2c gateway to camera.
ALEXANDRE
 
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Andreas Jakob
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  		   Posted 9/8/2007 5:42 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
These are very cheap :

cgi.ebay.com/FREE-S-H-New-Ericsson-CommuniCam-MCA-25-With-Case_W0QQitemZ130116818758QQihZ003QQcategoryZ50326QQrdZ1QQssPageNameZWD1VQQcmdZViewItem

I got mine for arround 4$ at Ebay Germany.

The MCA-25 Mobile Phone Plug-on Cameras uses a serial connection and has already been hacked :

mikrocontroller.cco-ev.de/eng/webcam.php
avr.auctionant.de/avr-ip-webcam/mca-25-kamera.html

640x480 resolution with alternative 80x60 preview mode.
The 80x60 mode could make it very usefull on the Prop, because it needs very little memory.
Could be used for movement detection maybe, grab two 4800 bytes raw preview images and look for differences.
If the trigger level is reached, aquire the 640x480 JPEG from the cam and store it to to the SD-Card.
-> 5 $ standalone surveilance cam :-)

Post Edited (Andreas Jakob) : 9/8/2007 1:22:39 PM GMT

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Harrison.
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  		   Posted 9/8/2007 1:33 PM (GMT -7)    Quote This PostAlert An Admin About This Post.
That is pretty inexpensive. I may have to get one just to see how good it is (I like the digital zoom function). Looks like it uses the same chipset as the $50 board camera, the only difference is the firmware running on the camera.
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Oldbitcollector
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  		   Posted 9/8/2007 2:31 PM (GMT -7)    Quote This PostAlert An Admin About This Post.
Just not "that" one... mine now.. :)

Oldbitcollector

Buttons . . . check. Dials . . . check. Switches . . . check. Little colored lights . . . check.

— Calvin, of 'Cavin and Hobbes.

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Andreas Jakob
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  		   Posted 9/8/2007 3:15 PM (GMT -7)    Quote This PostAlert An Admin About This Post.
Lol,

here are more :


cgi.ebay.com/OEM-Sony-Ericsson-T226-T300-T310-T316-T68i-Camera-MCA25_W0QQitemZ140154097941QQihZ004QQcategoryZ50326QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

cgi.ebay.com/NEW-Sony-Ericsson-T226-T300-T310-T316-T68i-Camera-MCA25_W0QQitemZ300149298042QQihZ020QQcategoryZ50326QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
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Harrison.
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  		   Posted 9/8/2007 3:48 PM (GMT -7)    Quote This PostAlert An Admin About This Post.
Looks like forum members are snatching them up faster than you can view the pages ;).
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Bill Henning
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  		   Posted 9/8/2007 4:25 PM (GMT -7)    Quote This PostAlert An Admin About This Post.
Harrison. said...
Looks like forum members are snatching them up faster than you can view the pages ;).


Guilty as charged... my big consulting gig is over... back to the propeller now :) :) :)

www.mikronauts.com - a new blog about microcontrollers

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Oldbitcollector
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  		   Posted 9/10/2007 9:44 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
Already got mine! $8. including shipping.. (nice)

This thing is small! Looks perfect for a robot camera.

Oldbitcollector

Buttons . . . check. Dials . . . check. Switches . . . check. Little colored lights . . . check.

— Calvin, of 'Cavin and Hobbes.

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Andreas Jakob
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  		   Posted 9/10/2007 11:53 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
As the Cam uses 3,3V Levels, it should connect directly to the Prop, but
is it possible to achieve the 400Kbit Baudrate, that the Cam works at after switching to
the Mux Mode, using Spin ?
I think an Assembler driver must be written for it.
And another thing i did read at the German Forum is that there are two Revisions of the
Cam. Most work with 9600 Baud at startup, some at 19200, just if you have troubles
with that.

Post Edited (Andreas Jakob) : 9/10/2007 6:57:58 PM GMT

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deSilva
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  		   Posted 9/16/2007 4:35 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
Though it is a German link (by Simon Schulz) , I think it might be useful for everyone experimenting with this Cam:
avr.auctionant.de/avr-ip-webcam/mca-25-kamera.html
avr.auctionant.de/avr-ip-webcam/mca-25-protokoll.html

Post Edited (deSilva) : 9/16/2007 12:24:01 PM GMT

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Andreas Jakob
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  		   Posted 9/16/2007 5:20 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
The Cam at Ebay again :

US
cgi.ebay.com/OEM-Sony-Ericsson-T226-T300-T310-T316-T68i-Camera-MCA25_W0QQitemZ140157310329QQihZ004QQcategoryZ50326QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Germany
cgi.ebay.de/original-Sony-Ericsson-MCA-25-ansteckbare-Kamera-Camera_W0QQitemZ200151992392QQihZ010QQcategoryZ32978QQrdZ1QQssPageNameZWD1VQQcmdZViewItem
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Chad George
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  		   Posted 9/16/2007 7:35 PM (GMT -7)    Quote This PostAlert An Admin About This Post.
I just bought that one. Looks neat for < $10 shipped.

I think they have more here (although its a little more expensive)
www.amazon.com/exec/obidos/tg/detail/-/B00007JWOJ/ref=ord_cart_shr/103-1748296-8752614?%5Fencoding=UTF8&m=A1FBR7E8HT21EQ&v=glance

EDIT: added link to more sources

Post Edited (Chad George) : 9/17/2007 2:45:17 AM GMT

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deSilva
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  		   Posted 9/16/2007 11:47 PM (GMT -7)    Quote This PostAlert An Admin About This Post.
There are also MCA-10 modells sold for around $2 from time to time; they have a reduced resolution (around 1/4),
which in fact fits much nicer to the Prop. But I am not sure whether the protocol is compatible.
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Leon
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  		   Posted 9/19/2007 7:25 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
I've just received the C328-7640 camera I ordered a couple of weeks ago from Electronics123. The data sheet is on the Comedia web site.

I've attached a 0.1" Molex connector to the leads and soldered a header into a Proto board. I'll try sending it some commands and see what comes out of it.

Leon

Amateur radio callsign: G1HSM
Suzuki SV1000S motorcycle

Post Edited (Leon) : 9/19/2007 2:34:20 PM GMT

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Rayman
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  		   Posted 9/19/2007 4:01 PM (GMT -7)    Quote This PostAlert An Admin About This Post.
I just got one of those Ebay cameras... Anybody got Spin code working for it yet?
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Sapieha
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  		   Posted 9/19/2007 6:43 PM (GMT -7)    Quote This PostAlert An Admin About This Post.

Hi All

My suggestion to one who will have camera.

Use WebCam and –

 

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Leon
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  		   Posted 9/19/2007 10:46 PM (GMT -7)    Quote This PostAlert An Admin About This Post.
Won't work! The camera will need host mode.

Leon

Amateur radio callsign: G1HSM
Suzuki SV1000S motorcycle

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BradC
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  		   Posted 9/20/2007 12:42 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
USB Webcam to the Propeller? I can confidently say Forget it!

It's not just the USB Host mode (and the timing accuracy required to do that) but the code to talk to the cam and decompress the incoming stream just would not fit in the Propeller.
I've examined all the webcam drivers in the linux source tree, plus a couple of external ones and just can't see (given we could properly emulate an accurate host mode) how they could
be squeezed into the prop.

<Holds up red rag to the bull> Someone go and prove me wrong!! :)
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Sapieha
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  		   Posted 9/20/2007 2:39 AM (GMT -7)    Quote This PostAlert An Admin About This Post.
Hi BradC

You must not use stream but only still picture in WebCam.

Nothing is impossible, there are only different degrees of difficulty.
Sapieha

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