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 Post subject: Cheap cap meter(diy kit)
PostPosted: Sun Feb 05, 2012 7:10 pm 
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I saw someone's build of this and had to try one for myself, got it off amazon for 11$:
http://www.amazon.com/gp/product/B0050Z ... 01_details
Needs a center positive adapter which is why I have the battery snap attached underneath :mrgreen:
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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Sun Feb 05, 2012 7:25 pm 
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Joined: Fri Oct 21, 2011 12:12 pm
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Location: Delaware
awesome. i could use one of these myself. i have some old ceramics i can't read

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 Post subject: Cheap cap meter(diy kit)
PostPosted: Sun Feb 05, 2012 7:42 pm 
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Joined: Tue Jan 04, 2011 8:16 am
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Location: Connecticut
Yes! I built one of these about a month ago. Works like a charm.

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Sun Feb 05, 2012 9:41 pm 
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Wow!

Getting one right away! have you tested it with caps that you knew the value, is the accuracy pretty good?

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Sun Feb 05, 2012 9:51 pm 
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Amazon does'nt ship that item to Canada..............bummed.... :evil:

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...selling our blood and man-milkshakes for NOS MN3008's


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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Sun Feb 05, 2012 10:04 pm 
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GrindCustoms wrote:
Amazon does'nt ship that item to Canada..............bummed.... :evil:

i'll get an extra and ship it up to you, toward that extra board i want to get from you.

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Sun Feb 05, 2012 10:05 pm 
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GrindCustoms wrote:
Wow!

Getting one right away! have you tested it with caps that you knew the value, is the accuracy pretty good?

A few tested, 47n box cap was 47.3n, that tropical fish cap of 100nf was 90.6nf(which is within the 10% tolerance of the cap I think) and a 100uf cap was a little over 100uf.

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Sun Feb 05, 2012 10:14 pm 
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ckyvick wrote:
GrindCustoms wrote:
Wow!

Getting one right away! have you tested it with caps that you knew the value, is the accuracy pretty good?

A few tested, 47n box cap was 47.3n, that tropical fish cap of 100nf was 90.6nf(which is within the 10% tolerance of the cap I think) and a 100uf cap was a little over 100uf.


Well! that's pretty much spot on, for me!

spin wrote:
GrindCustoms wrote:
Amazon does'nt ship that item to Canada..............bummed.... :evil:

i'll get an extra and ship it up to you, toward that extra board i want to get from you.


Just sent you a pm! 8)

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Morgan wrote:
...selling our blood and man-milkshakes for NOS MN3008's


http://www.grindcustomsfx.com
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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 2:45 am 
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11 bucks, man I'd buy that just for the fun of it!


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 Post subject: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 4:36 am 
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GrindCustoms wrote:
Amazon does'nt ship that item to Canada..............bummed.... :evil:

I did a little digging and found that this place distributes them in Canada.

http://www.nooelec.com/

..and they have an eBag store!


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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 9:06 am 
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Location: Cleveland, OH
I built this a while back, and it's awesome! Highly recommended, unless you want to stay in the dark about how wide the tolerances are on your caps... :twisted:

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 9:50 am 
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Here it is in Canada for $8.68

http://www.robotshop.com/ca/seeedstudio ... kit-2.html

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 10:06 am 
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Location: Sunny Central Oregon
Ordered one last night. Sounds like fun. Anyone house one of these things yet ?

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 10:09 am 
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I housed mine, very quickly and sloppily, in one of those cheapy folded aluminum enclosures. I had to move the test sockets up to the top of the enclosure, though.

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GrindCustoms wrote:
It's now ok..........but i feel like it's not completely hard yet.


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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 10:17 am 
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Comfort Player wrote:
Anyone house one of these things yet ?

Almost - I've got it mounted on stand-offs on the lid of a 1590B, but I haven't grown the balls to drill the enclosure yet. That's a mighty hole needed for the display.

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 11:00 am 
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Joined: Thu Nov 27, 2008 11:38 am
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Location: Columbia River Gorge
Image
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dbharris wrote:
Yup, feel is more important than size.


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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 11:21 am 
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Location: Sunny Central Oregon
Very nice Chris !! How dod you cut the LED display area out ? ??

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 11:26 am 
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Dremel. It was a cheap rat shack enclosure. Works very well, and I left that flap of metal to be a hood to make the LED readout easier to see. Most of us work with overhead lights. Something to consider.

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dbharris wrote:
Yup, feel is more important than size.


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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Mon Feb 06, 2012 1:38 pm 
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Dang....i'm a poor net searcher....lol..

Anyway i have a cool trade going on with Spin.....I like trades.... :mrgreen:

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Tue Feb 07, 2012 1:32 am 
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CRAPTACULAR!!
New favourite word, thanks Chris! :lol:


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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Thu Feb 09, 2012 12:44 pm 
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Location: Alameda, CA
Ordered mine yesterday, any tips for the build? I see that it needs a center positive PS, but anything else I need to know?
-P

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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Thu Feb 09, 2012 12:48 pm 
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If you look at my tester, you will see that I soldered some extra sockets over the existing sockets, as I was told to anticipate wear of the stock ones.

THAT is not a problem, but I will probably be modding mine in the future to include flying leads whit alligator clips. Easier to check caps with short leads, or in some cases, really fat leads.

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Yup, feel is more important than size.


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 Post subject: Re: Cheap cap meter(diy kit)
PostPosted: Thu Feb 09, 2012 1:00 pm 
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Built mine up last night and it works great. Still need to box it up somehow though.

I did attach wires with alligator clips to J5 and 6 ??? ( can't remember but it is the set right above the testing socket )

I also did not have a positive center power supply :shock: So I attached a 9v to the underside of the power jack and it worked fine. Not sure if that will cause any issues if I make it permanent ??

Nice project and worth the $11 for sure

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