Re: [Emc-users] Machine vision cameras for use with camview, align and friends

[Greg Bernard]

 Very nice work, Gene. I see some Greene & Greene influence in your design 
whose work I'm very fond of.Your kids will have an heirloom to be proud of for 
generations.
+++
"Anyone who believes exponential growth can go on forever in a finite world is 
either a madman or an economist."
        -Kenneth Boulding, economist
“How unfortunate that the Earth’s first intelligent social animal is a tribal 
carnivore” 
    -E.O. Wilson, sociobiologist

 
  From: Gene Heskett 
 To: emc-users@lists.sourceforge.net 
 Sent: Friday, October 9, 2015 8:30 AM
 Subject: Re: [Emc-users] Machine vision cameras for use with camview, align 
and friends
   
On Thursday 08 October 2015 16:04:42 Jim Craig wrote:

> On 10/8/2015 2:46 PM, Gene Heskett wrote:
> > On Thursday 08 October 2015 14:01:12 Valerio Bellizzomi wrote:
> >> On Thu, 2015-10-08 at 03:10 -0400, Gene Heskett wrote:
> >>> Greetings all;
> >>>
> >>> I had one of those "colonoscopy" cameras you could buy on ebay for
> >>> about $22 USD on my toy mill, and had it pretty well calibrated
> >>> but hadn't put it to any real use as yet when I knocked it loose
> >>> with an errant hold down bolt on that furniture joint carving jig.
> >>>  I'd been meaning to restore it as it also came loose in its teeny
> >>> little tubular housing and would need so rtv to  glue it back into
> >>> the tubing so the cable couldn't pull it out the rear if the cable
> >>> hung up.  But making an alignable mounting was also a PITA, so its
> >>> been waiting for me to find a round tuit.
> >>
> >> I have attempted to use a webcam with camview, I was only able to
> >> display the camera image in a separate window. No way to configure
> >> it to display camera image within a Gmoccapy TAB.
> >
> > camview seems to be made to be a 3rd window tab in the center,
> > backplot window of axis.  For that, camview works well albeit slow. 
> > I'll go plug one into tne toy mill which is still configured for the
> > just barely working teeny one I started with,  BRB.
> >
> > Humm, I uncommented the lines in the .ini file that did make it
> > work, without unplugging the damaged camera that was still making
> > normal video of the stuff on the table behind the keyboard, but
> > something in the system is now killing it and linuxcnc won't start.
> >
> > Perhaps its time to go get the latest from Nic's .ru site?
> > There's probably been a gigabyte of updates to both LCNC and the
> > system since I last had it running.  The web page download is
> > however 3 years old, so maybe not.  Maybe Nic doesn't its died?
> >
> > And I am likely a good 90-120 days with the next project here before
> > I can come back to this.  There is about $1000 worth of Mahogany in
> > the way in the garage right now that needs to be carved up & made
> > into 3 more cedar lined blanket chests.
> >
> > Cheers, Gene Heskett
>
> Gene,
>
> How about a pic of one of those blanket chests?
>
> Jim

I did, but the server is holding it for the moderator to clear as its not 
quite 20k over the 360k size limit allowed.  I smunched it down to a 20% 
quality jpg, because I could see jpg'ing artifacts if I went any lower.

I'll try doing some cropping of some of the background in gimp.  Or is 
there now a more compact image compression format?  Cropping an image in 
gimp is the most frustrating thing I have ever tried, I have to ask for 
help on the gimp-users list every time, so it still has white borders. 
Damit, a crop should remove what you don't want, not fill it with white.

Anyway, new version 2 attached, smunched enough that jpg is showing some 
artifacts.



Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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Re: [Emc-users] Machine vision cameras for use with camview, align and friends

[Gene Heskett]

On Friday 09 October 2015 11:12:13 Viesturs Lācis wrote:

> 2015-10-09 16:50 GMT+03:00 Jim Craig :
> > Very nice! I like the Joinery.
>
> Oh yes, that chest looks really awesome, Gene! Corner joints are
> beautiful!
>
> Viesturs
>
I do thumbhole gunstocks for myself too. But I don't advertise as that 
attracts the unsavory types.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Machine vision cameras for use with camview, align and friends

[Gene Heskett]

On Friday 09 October 2015 09:50:36 Jim Craig wrote:

> On 10/9/2015 8:30 AM, Gene Heskett wrote:
> > On Thursday 08 October 2015 16:04:42 Jim Craig wrote:
> >> Gene,
> >>
> >> How about a pic of one of those blanket chests?
> >>
> >> Jim
> >
> > I did, but the server is holding it for the moderator to clear as
> > its not quite 20k over the 360k size limit allowed.  I smunched it
> > down to a 20% quality jpg, because I could see jpg'ing artifacts if
> > I went any lower.
> >
> > I'll try doing some cropping of some of the background in gimp.  Or
> > is there now a more compact image compression format?  Cropping an
> > image in gimp is the most frustrating thing I have ever tried, I
> > have to ask for help on the gimp-users list every time, so it still
> > has white borders. Damit, a crop should remove what you don't want,
> > not fill it with white.
> >
> > Anyway, new version 2 attached, smunched enough that jpg is showing
> > some artifacts.
> >
> > Cheers, Gene Heskett
>
> Very nice! I like the Joinery. What are you using for the square pins
> in the joint? I like some good woodworking.

Gabon ebony fitted plugs, I have a routine that drills the hole thru the 
finger for an assembly screw, a 2" long SS for century plus longevity, 
with a round pocket for the screw head, and a square pocket above that 
about 3/32" deep with the 1/16 radius corners a 1/8" mill leaves when 
driven in a square pattern.  And I make the ebony plugs, including the 
rounded tops, in another jig after they've been cut out of a thin sheet 
of ebony by another routine.  The plugs get their sides tapered a few 
degrees against a disk sander, a coat of Elmers finest on the bottoms 
and driven into the recess with a soft faced dead blow hammer.

The longer bits of ebony in the lid with its breadboard ends is actually 
more trouble than these are.  Breadboard ends aligned with white ash 
bits & pieces in deep grooves routed in both pieces. The only place its 
truly glued & screwed solidly is at the center where in this case, since 
the top has an edge joint there, a screw into each board on both sides 
of the joint.  All the other offcenter is longer because its covering a 
slot the screw cam move in with the seasonal changes in humidity.   The 
long bit in the corners are only glued into the slots in lid board, and 
can move freely in the breadboard ends as the seasons come and go.  The 
boards will grown and shrink in width, but generally not length.

All the edge joints are full of bisquits, should stay together for a few 
decades (I hope) But the stock I have laying on the floor now is 1x12, 
so the only edge joint in the next 3 I make will be at the lengthwise 
centerline of the lid.  I could only locate 1x6's for the raw material 
the first one you see was made from. Changed vendors, now have 1x12 
stock.

But that wider stock has me looking at a new saw to replace my 12" Dewalt 
miter/chopper.  Bosche is out with a whole new design that does away 
with the sideways slop on the usual sliders. I played with the displayed 
one at Home Depot 2 weeks ago, and that suspension system is easily 10x 
more rigid against any side forces applied than any other slider on the 
shelf.  And my 12" chopper can't cut a full 12" width.  Its also about 
$200 more than I paid for the Dewalt miter/chopper 6 or 7 years ago.  
The card has enough surplus it won't be noticed except by the missus 
when I unload it. :(

Those hinges are Rocklers, very high friction, used so that little 
fingers clamboring for a grip to stand up, will not be smashed by a 
falling lid.  It takes about a 20 lb lift to raise the lid to where you 
see it in the pix. Nothing else is holding it up.

Pricy too.  The strip under them at the rear is screwed, glued and pegged 
into the board below it about every 3 or 4 inches as that strip in 
addition to holding the torque of the hinges, also projects inward and 
has a 1/4" wide groove in the bottom to retain the cedar lining.  Theres 
a groove routed in the base panel to hold the end of the cedar "planks", 
closet liner from Lowes.  That groove, with the cedar in it, was 
actually used to align the box when I set it on the base, forcing 
everything to be as square as the mahogany faced bottom plywood panel 
is.

If I think about it in time, and I have enough ebony buttons left, (a 
2x2x12" piece of that was a hair shy of $70 dropped on my front deck) I 
may use them in the front strip to hide the well countersunk screws.  
The front and end retainer strips are not glued, a paen to making some 
of the cedar removable for a light sanding to remove the resin it exudes 
which seals it up and the cedar odor goes away. A light sanding to 
remove that resin restores the cedar odor for a few years. Its just part 
of cedar maintenance.  If your house has cedar lined closets, that needs 
to be done to them on about the same schedule.  IOW If you can't smell 
it, sand it. About 150 grit, sand gently, just hard enough to make some 
resin 

Re: [Emc-users] Machine vision cameras for use with camview, align and friends

[Viesturs Lācis]

2015-10-09 16:50 GMT+03:00 Jim Craig :
> Very nice! I like the Joinery.

Oh yes, that chest looks really awesome, Gene! Corner joints are beautiful!

Viesturs

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Re: [Emc-users] Machine vision cameras for use with camview, align and friends

[Jim Craig]

On 10/9/2015 8:30 AM, Gene Heskett wrote:
> On Thursday 08 October 2015 16:04:42 Jim Craig wrote:
>
>>
>> Gene,
>>
>> How about a pic of one of those blanket chests?
>>
>> Jim
> I did, but the server is holding it for the moderator to clear as its not
> quite 20k over the 360k size limit allowed.  I smunched it down to a 20%
> quality jpg, because I could see jpg'ing artifacts if I went any lower.
>
> I'll try doing some cropping of some of the background in gimp.  Or is
> there now a more compact image compression format?  Cropping an image in
> gimp is the most frustrating thing I have ever tried, I have to ask for
> help on the gimp-users list every time, so it still has white borders.
> Damit, a crop should remove what you don't want, not fill it with white.
>
> Anyway, new version 2 attached, smunched enough that jpg is showing some
> artifacts.
>
> Cheers, Gene Heskett
>
Very nice! I like the Joinery. What are you using for the square pins in 
the joint? I like some good woodworking.

My next big woodworking project is new office furniture. It will 
probably take me and my dad about a year to finish the project I want to 
do. Executive desk, full 12' wall of bookcases. printer cabinet and 
whatever else I can dream up. Right now I am working off a white plastic 
folding table, LOL.

Keep up the good work.

Jim

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Re: [Emc-users] Machine vision cameras for use with camview, align and friends

[Jim Craig]

On 10/8/2015 2:46 PM, Gene Heskett wrote:
> On Thursday 08 October 2015 14:01:12 Valerio Bellizzomi wrote:
>
>> On Thu, 2015-10-08 at 03:10 -0400, Gene Heskett wrote:
>>> Greetings all;
>>>
>>> I had one of those "colonoscopy" cameras you could buy on ebay for
>>> about $22 USD on my toy mill, and had it pretty well calibrated but
>>> hadn't put it to any real use as yet when I knocked it loose with an
>>> errant hold down bolt on that furniture joint carving jig.  I'd been
>>> meaning to restore it as it also came loose in its teeny little
>>> tubular housing and would need so rtv to  glue it back into the
>>> tubing so the cable couldn't pull it out the rear if the cable hung
>>> up.  But making an alignable mounting was also a PITA, so its been
>>> waiting for me to find a round tuit.
>> I have attempted to use a webcam with camview, I was only able to
>> display the camera image in a separate window. No way to configure it
>> to display camera image within a Gmoccapy TAB.
>>
> camview seems to be made to be a 3rd window tab in the center, backplot
> window of axis.  For that, camview works well albeit slow.  I'll go plug
> one into tne toy mill which is still configured for the just barely
> working teeny one I started with,  BRB.
>
> Humm, I uncommented the lines in the .ini file that did make it work,
> without unplugging the damaged camera that was still making normal video
> of the stuff on the table behind the keyboard, but something in the
> system is now killing it and linuxcnc won't start.
>
> Perhaps its time to go get the latest from Nic's .ru site?
> There's probably been a gigabyte of updates to both LCNC and the system
> since I last had it running.  The web page download is however 3 years
> old, so maybe not.  Maybe Nic doesn't its died?
>
> And I am likely a good 90-120 days with the next project here before I
> can come back to this.  There is about $1000 worth of Mahogany in the
> way in the garage right now that needs to be carved up & made into 3
> more cedar lined blanket chests.
>
> Cheers, Gene Heskett
Gene,

How about a pic of one of those blanket chests?

Jim


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Re: [Emc-users] Machine vision cameras for use with camview, align and friends

[Gene Heskett]

On Thursday 08 October 2015 14:01:12 Valerio Bellizzomi wrote:

> On Thu, 2015-10-08 at 03:10 -0400, Gene Heskett wrote:
> > Greetings all;
> >
> > I had one of those "colonoscopy" cameras you could buy on ebay for
> > about $22 USD on my toy mill, and had it pretty well calibrated but
> > hadn't put it to any real use as yet when I knocked it loose with an
> > errant hold down bolt on that furniture joint carving jig.  I'd been
> > meaning to restore it as it also came loose in its teeny little
> > tubular housing and would need so rtv to  glue it back into the
> > tubing so the cable couldn't pull it out the rear if the cable hung
> > up.  But making an alignable mounting was also a PITA, so its been
> > waiting for me to find a round tuit.
>
> I have attempted to use a webcam with camview, I was only able to
> display the camera image in a separate window. No way to configure it
> to display camera image within a Gmoccapy TAB.
>
camview seems to be made to be a 3rd window tab in the center, backplot 
window of axis.  For that, camview works well albeit slow.  I'll go plug 
one into tne toy mill which is still configured for the just barely 
working teeny one I started with,  BRB.

Humm, I uncommented the lines in the .ini file that did make it work, 
without unplugging the damaged camera that was still making normal video 
of the stuff on the table behind the keyboard, but something in the 
system is now killing it and linuxcnc won't start.

Perhaps its time to go get the latest from Nic's .ru site?
There's probably been a gigabyte of updates to both LCNC and the system 
since I last had it running.  The web page download is however 3 years 
old, so maybe not.  Maybe Nic doesn't its died? 

And I am likely a good 90-120 days with the next project here before I 
can come back to this.  There is about $1000 worth of Mahogany in the 
way in the garage right now that needs to be carved up & made into 3 
more cedar lined blanket chests.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Machine vision cameras for use with camview, align and friends

[Valerio Bellizzomi]

On Thu, 2015-10-08 at 03:10 -0400, Gene Heskett wrote:
> Greetings all;
> 
> I had one of those "colonoscopy" cameras you could buy on ebay for about 
> $22 USD on my toy mill, and had it pretty well calibrated but hadn't put 
> it to any real use as yet when I knocked it loose with an errant hold 
> down bolt on that furniture joint carving jig.  I'd been meaning to 
> restore it as it also came loose in its teeny little tubular housing and 
> would need so rtv to  glue it back into the tubing so the cable couldn't 
> pull it out the rear if the cable hung up.  But making an alignable 
> mounting was also a PITA, so its been waiting for me to find a round 
> tuit.

I have attempted to use a webcam with camview, I was only able to
display the camera image in a separate window. No way to configure it to
display camera image within a Gmoccapy TAB.




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Re: [Emc-users] Machine vision cameras for use with camview, align and friends

[Gene Heskett]

On Thursday 08 October 2015 10:25:25 Jerry Scharf wrote:

> Gene,
>
> What's the depth of field with those?
>
> I bought one of the $20 amazon "endoscopes". I was really disappointed
> in the depth of field. I have played with real endoscopes, and the
> amazing thing about them is their depth of field is from .5" to
> infinity. This one had a focal distance of about 4 inches and less
> than 6 inches of good depth of field.
>
> jerry

Up close, it will be as fussy as the f stop would suggest.  But its 
adjustable, and I for one would like to be able to work at a known 
scale, so I would focus it there.

It can focus as close as flush with the front of the lens shroud or 
closer if you can get light to it.

> On Thu, Oct 8, 2015 at 12:10 AM, Gene Heskett  
wrote:
> > Greetings all;
> >
> > I had one of those "colonoscopy" cameras you could buy on ebay for
> > about $22 USD on my toy mill, and had it pretty well calibrated but
> > hadn't put it to any real use as yet when I knocked it loose with an
> > errant hold down bolt on that furniture joint carving jig.  I'd been
> > meaning to restore it as it also came loose in its teeny little
> > tubular housing and would need so rtv to  glue it back into the
> > tubing so the cable couldn't pull it out the rear if the cable hung
> > up.  But making an alignable mounting was also a PITA, so its been
> > waiting for me to find a round tuit.
> >
> > But I also had the interest in the back of my mind, so when some
> > supposedly hidef webcams showed up on ebay for <$9 USD, I just had
> > to see if it was a any good.  Having been caught, unable to buy
> > spares when this one was damaged, I thought I'd buy one for each
> > machine and a spare, so I bought 4 of them.  They arrived yesterday,
> > and I found that cheese no longer runs on this machine, which is
> > wheezy with TDE replacing KDE.  TDE is a fork of KDE at about the
> > 3.5 level, and improvements have conentrated on bug fixing and
> > stability, which they are doing a decent job of, I am not bleeding
> > from all the paper cuts the new KDE4 or 5 is inflicting on its
> > users.
> >
> > Anyway, installing  cheese pulled in about 50 more dep files
> > totalling 25 megabytes, and it still segfaults.  But I took the
> > camera out and plugged it into the Dell 745, installed cheese there
> > and it works quite well, so I believe it will work with camview and
> > friends too.
> >
> > Its about a fat inch in diameter & 2" long, and the 640x480 image
> > cheese can show me is lots closer to realtime than the older camera
> > ever was. Color too is excellent, amazing for a camera that sold for
> > less than 8 dollars with free shipping.  But I see its up to $8.88
> > in the two weeks since I bought these. 10% discount for 2 or more.
> > That would make it $31.96 USD, which is what I paid for 4 of them.
> >
> > <
> > http://www.ebay.com/itm/USB-12-Megapixel-HD-Camera-Web-Cam-360-MIC-C
> >lip-on-for-Skype-Computer-Laptop-PC-/291379169306 ?>
> >
> > Get them while they last folks.
> >
> > When I get the rest of the mills problems under control, that might
> > be the next project as its small enough I can hide it inside the
> > hollow bottom of the head casting of this GO704.
> >
> > Cheers, Gene Heskett
> > --
> > "There are four boxes to be used in defense of liberty:
> >  soap, ballot, jury, and ammo. Please use in that order."
> > -Ed Howdershelt (Author)
> > Genes Web page 
> >
> >
> > 
> >-- ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users


Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Machine vision cameras for use with camview, align and friends

[Jerry Scharf]

Gene,

What's the depth of field with those?

I bought one of the $20 amazon "endoscopes". I was really disappointed in
the depth of field. I have played with real endoscopes, and the amazing
thing about them is their depth of field is from .5" to infinity. This one
had a focal distance of about 4 inches and less than 6 inches of good depth
of field.

jerry


On Thu, Oct 8, 2015 at 12:10 AM, Gene Heskett  wrote:

> Greetings all;
>
> I had one of those "colonoscopy" cameras you could buy on ebay for about
> $22 USD on my toy mill, and had it pretty well calibrated but hadn't put
> it to any real use as yet when I knocked it loose with an errant hold
> down bolt on that furniture joint carving jig.  I'd been meaning to
> restore it as it also came loose in its teeny little tubular housing and
> would need so rtv to  glue it back into the tubing so the cable couldn't
> pull it out the rear if the cable hung up.  But making an alignable
> mounting was also a PITA, so its been waiting for me to find a round
> tuit.
>
> But I also had the interest in the back of my mind, so when some
> supposedly hidef webcams showed up on ebay for <$9 USD, I just had to
> see if it was a any good.  Having been caught, unable to buy spares when
> this one was damaged, I thought I'd buy one for each machine and a
> spare, so I bought 4 of them.  They arrived yesterday, and I found that
> cheese no longer runs on this machine, which is wheezy with TDE
> replacing KDE.  TDE is a fork of KDE at about the 3.5 level, and
> improvements have conentrated on bug fixing and stability, which they
> are doing a decent job of, I am not bleeding from all the paper cuts the
> new KDE4 or 5 is inflicting on its users.
>
> Anyway, installing  cheese pulled in about 50 more dep files totalling 25
> megabytes, and it still segfaults.  But I took the camera out and
> plugged it into the Dell 745, installed cheese there and it works quite
> well, so I believe it will work with camview and friends too.
>
> Its about a fat inch in diameter & 2" long, and the 640x480 image cheese
> can show me is lots closer to realtime than the older camera ever was.
> Color too is excellent, amazing for a camera that sold for less than 8
> dollars with free shipping.  But I see its up to $8.88 in the two weeks
> since I bought these. 10% discount for 2 or more. That would make it
> $31.96 USD, which is what I paid for 4 of them.
>
> <
> http://www.ebay.com/itm/USB-12-Megapixel-HD-Camera-Web-Cam-360-MIC-Clip-on-for-Skype-Computer-Laptop-PC-/291379169306
> ?>
>
> Get them while they last folks.
>
> When I get the rest of the mills problems under control, that might be
> the next project as its small enough I can hide it inside the hollow
> bottom of the head casting of this GO704.
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Genes Web page 
>
>
> --
> ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>



-- 
Jerry Scharf
FINsix IT
650.285.6361 w
650.279.7017 m
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[Emc-users] Machine vision cameras for use with camview, align and friends

[Gene Heskett]

Greetings all;

I had one of those "colonoscopy" cameras you could buy on ebay for about 
$22 USD on my toy mill, and had it pretty well calibrated but hadn't put 
it to any real use as yet when I knocked it loose with an errant hold 
down bolt on that furniture joint carving jig.  I'd been meaning to 
restore it as it also came loose in its teeny little tubular housing and 
would need so rtv to  glue it back into the tubing so the cable couldn't 
pull it out the rear if the cable hung up.  But making an alignable 
mounting was also a PITA, so its been waiting for me to find a round 
tuit.

But I also had the interest in the back of my mind, so when some 
supposedly hidef webcams showed up on ebay for <$9 USD, I just had to 
see if it was a any good.  Having been caught, unable to buy spares when 
this one was damaged, I thought I'd buy one for each machine and a 
spare, so I bought 4 of them.  They arrived yesterday, and I found that 
cheese no longer runs on this machine, which is wheezy with TDE 
replacing KDE.  TDE is a fork of KDE at about the 3.5 level, and 
improvements have conentrated on bug fixing and stability, which they 
are doing a decent job of, I am not bleeding from all the paper cuts the 
new KDE4 or 5 is inflicting on its users.

Anyway, installing  cheese pulled in about 50 more dep files totalling 25 
megabytes, and it still segfaults.  But I took the camera out and 
plugged it into the Dell 745, installed cheese there and it works quite 
well, so I believe it will work with camview and friends too.

Its about a fat inch in diameter & 2" long, and the 640x480 image cheese 
can show me is lots closer to realtime than the older camera ever was.  
Color too is excellent, amazing for a camera that sold for less than 8 
dollars with free shipping.  But I see its up to $8.88 in the two weeks 
since I bought these. 10% discount for 2 or more. That would make it 
$31.96 USD, which is what I paid for 4 of them.



Get them while they last folks.

When I get the rest of the mills problems under control, that might be 
the next project as its small enough I can hide it inside the hollow 
bottom of the head casting of this GO704.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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