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'[PIC]ICSP Programing'
2005\03\31@105928 by Mauricio Jancic

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Hi,
       Can anyone please tell me where to find those conical spring loaded
connectors sometimes used for ICSP programing?


Thanks,

Mauricio Jancic
Janso Desarrollos - Microchip Consultants Program Member
spam_OUTinfoTakeThisOuTspamjanso.com.ar
http://www.janso.com.ar
(54) 11 - 4542 - 3519

2005\03\31@111633 by Jan-Erik Soderholm

face picon face
Mauricio Jancic wrote :

> Hi,
> Can anyone please tell me where to find those conical
> spring loaded
> connectors sometimes used for ICSP programing?

Search eBay for "Pogo pins". There is usualy a couple
of sellers having them for sale. Some new, some "pulls".

Jan-Erik.



2005\03\31@112957 by Mark Scoville

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You might be looking for Pogo Pins - try a Google search for "pogo pins"

-Mark

{Quote hidden}

> --

2005\03\31@113034 by Herbert Graf

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On Thu, 2005-03-31 at 12:59 -0300, Mauricio Jancic wrote:
> Hi,
>        Can anyone please tell me where to find those conical spring loaded
> connectors sometimes used for ICSP programing?

Well that would depend on where you are.

But as an aid they are called "pogo pins", and thanks to the satellite
hacker community are actually quite easy to obtain.

TTYL


-----------------------------
Herbert's PIC Stuff:
http://repatch.dyndns.org:8383/pic_stuff/

2005\03\31@113817 by Bradley Ferguson

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On Thu, 31 Mar 2005 12:59:27 -0300, Mauricio Jancic
<EraseMEjancicspam_OUTspamTakeThisOuTciudad.com.ar> wrote:
> Hi,
>         Can anyone please tell me where to find those conical spring loaded
> connectors sometimes used for ICSP programing?

You are perhaps referring to Pogo Pins?  Spring loaded pins (with a
variety of tip styles) for making contact to test points on PCBs?

Newark (http://www.newark.com) sells them.  See the pictures at
http://www.ectinfo.com and then look up the company on the Newark site to see
what they stock.

Assuming thats what you want, I've noticed that most people miss the
fact that they sell receptacles for mounting the pins.  You still have
to press fit the sockets into something nonconductive, but then you
can replace the pins in the event they wear out.  The receptacles are
available with solder tails as well.

Bradley

2005\03\31@121233 by Paul Hutchinson

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My favorite supplier for spring contact probes, IDI, now has online sales.
They're a very nice group of people in Kansas City, KS who make and sell
excellent probes.
http://www.idinet.com/

They also give a link to BuySellProbes.com "The Flea Market for Surplus
Probes and Fixture Stuff" on their page.
http://www.fixtureforum.com/BuySellProbes/

Paul Hutch

{Quote hidden}

2005\03\31@124316 by Mauricio Jancic

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Mmm allright, now I have more questions... Wich model should I chose? There
a tons of models.... Arghh...

Here is the problem. I have never seen nor use one of those POGO pins, so I
have absolutly no idea how to choose one. I understand perfectly how they
work, but, again, I don't know which one will best fit my needs.

What I want to do is to use this tipe of pins to do ICSP on a PCB. The pcbs
are double sided, so I figure I will do some PTH pads to use with the POGO
pins.

I was thinking of a number (5 or so) pads of .35 mils hole and a .65 copper
ring. Which model and tip would you recommend?

OR if someone is already using this method for programming, pleas tell me
how are you doing it (hole sizes and pin model) and I will adapt my PCB to
that.

Regards,

Mauricio Jancic
Janso Desarrollos - Microchip Consultants Program Member
@spam@infoKILLspamspamjanso.com.ar
http://www.janso.com.ar
(54) 11 - 4542 - 3519


{Original Message removed}

2005\03\31@131116 by Bradley Ferguson

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On Thu, 31 Mar 2005 14:43:14 -0300, Mauricio Jancic <KILLspaminfoKILLspamspamjanso.com.ar> wrote:
> Mmm allright, now I have more questions... Wich model should I chose? There
> a tons of models.... Arghh...
>
> Here is the problem. I have never seen nor use one of those POGO pins, so I
> have absolutly no idea how to choose one. I understand perfectly how they
> work, but, again, I don't know which one will best fit my needs.
>
> What I want to do is to use this tipe of pins to do ICSP on a PCB. The pcbs
> are double sided, so I figure I will do some PTH pads to use with the POGO
> pins.
>
> I was thinking of a number (5 or so) pads of .35 mils hole and a .65 copper
> ring. Which model and tip would you recommend?
>
> OR if someone is already using this method for programming, pleas tell me
> how are you doing it (hole sizes and pin model) and I will adapt my PCB to
> that.

We just use pads--no throughhole unless the drafter happens to place
the pad over a via.  We use a pin with a multipoint serrated tip that
bites into the solder on the pad.  I do like throughholes for
debugging, though, as the probe tip that I'm holding doesn't slip off
the pad as easily.  We also use multiple pins on analog connections to
ensure a good connection.  I'm not sure if it would work to skewer a
throughhole with a sharp tipped pin as it would be hard to index and
if you missed, you would only be making a point connection.

Bradley

2005\03\31@131709 by olin_piclist

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Mauricio Jancic wrote:
> Here is the problem. I have never seen nor use one of those POGO pins,
> so I have absolutly no idea how to choose one. I understand perfectly
> how they work, but, again, I don't know which one will best fit my
> needs.
>
> What I want to do is to use this tipe of pins to do ICSP on a PCB. The
> pcbs are double sided, so I figure I will do some PTH pads to use with
> the POGO pins.
>
> I was thinking of a number (5 or so) pads of .35 mils hole and a .65
> copper ring. Which model and tip would you recommend?
>
> OR if someone is already using this method for programming, pleas tell
> me how are you doing it (hole sizes and pin model) and I will adapt my
> PCB to that.

I'm working on a product now that will make extensive use of pogo pins
during production test, including programming 4 separate PICs.  The spec I
got from the test fixture guy is to use 35mil pads on the bottom of the
board spaced at least 100mil apart and 200mil from any physical obstruction.
He is using pogo pins from IDI (http://www.idinet.com).  He says he prefers
the type S pin heads for interfacing with plain copper pads.

I don't have much personal experience with this as these test fixture
details have so far been out of my hands.  I'm just passing along what I was
told.


*****************************************************************
Embed Inc, embedded system specialists in Littleton Massachusetts
(978) 742-9014, http://www.embedinc.com

2005\03\31@132508 by Jan-Erik Soderholm

face picon face
Mauricio Jancic wrote :

> I was thinking of a number (5 or so) pads of .35 mils hole
> and a .65 copper
> ring. Which model and tip would you recommend?

You don't *have* to have holes. Just a flat (tinned) pad
without any protective layer. Maybe one of the 5-edge
tips to spread the spring force a bit ?

If it's a one off and maybe hobbyist project, I'd just pick
whatever is up on eBay at the moment...

Jan-Erik.



2005\03\31@134148 by Mauricio Jancic

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Mmm actually is for 200 pcs/month programing... So I would need something
hard to break...

-----Original Message-----
From: RemoveMEpiclist-bouncesTakeThisOuTspammit.edu [spamBeGonepiclist-bouncesspamBeGonespammit.edu] On Behalf Of
Jan-Erik Soderholm
Sent: Thursday, March 31, 2005 3:25 PM
To: TakeThisOuTpiclistEraseMEspamspam_OUTmit.edu
Subject: RE: [PIC]ICSP Programing

Mauricio Jancic wrote :

> I was thinking of a number (5 or so) pads of .35 mils hole and a .65
> copper ring. Which model and tip would you recommend?

You don't *have* to have holes. Just a flat (tinned) pad without any
protective layer. Maybe one of the 5-edge tips to spread the spring force a
bit ?

If it's a one off and maybe hobbyist project, I'd just pick whatever is up
on eBay at the moment...

Jan-Erik.



2005\03\31@135648 by Paul Hutchinson

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> -----Original Message-----
> From: RemoveMEpiclist-bouncesspamTakeThisOuTmit.edu On Behalf Of Mauricio Jancic
> Sent: Thursday, March 31, 2005 12:43 PM
>
> Mmm allright, now I have more questions... Wich model should I chose?
<snip>
> how they work, but, again, I don't know which one will best fit my
> needs.

If you go to the "Technical Source Book" from the "Tech Info" menu you'll
learn everything you'll ever need to know about this subject.

> What I want to do is to use this tipe of pins to do ICSP on a PCB. The
> pcbs are double sided, so I figure I will do some PTH pads to use with
> the POGO pins.
>
> I was thinking of a number (5 or so) pads of .35 mils hole and a .65
> copper ring. Which model and tip would you recommend?

For 0.035" through hole probing I use these pins and receptacles.
Pin        = S-2-E-4-G
Receptacle = R-2-SC

Paul Hutch

{Quote hidden}


'[PIC]ICSP Programing'
2005\04\01@013006 by Peter
picon face


On Thu, 31 Mar 2005, Mauricio Jancic wrote:

> Hi,
>        Can anyone please tell me where to find those conical spring loaded
> connectors sometimes used for ICSP programing?

Pogo pins ?

Peter

2005\04\01@013018 by Peter

picon face


On Thu, 31 Mar 2005, Jan-Erik Soderholm wrote:

>> Can anyone please tell me where to find those conical
>> spring loaded
>> connectors sometimes used for ICSP programing?
>
> Search eBay for "Pogo pins". There is usualy a couple
> of sellers having them for sale. Some new, some "pulls".

Oh, please no 'pulled' pogo pins. They are terrible even after you wash
the flux out of them. You will never know what causes your problems, the
pogo pins or the circuit.

Peter

2005\04\01@025129 by William Chops Westfield

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On Mar 31, 2005, at 12:13 PM, Peter wrote:

>  please no 'pulled' pogo pins. They are terrible...

Really?  I pulled a couple test fixtures out of the dumpster at
work and got more pogo pins than I know what to do with.  They
were all friction fitted and/or wirewrapped; I'm not sure how they
connected to equipment, but there's no flux and they seem to work
fine after being pulled (somewhat carefully) with a pair of long-nose
pliers...

BillW

2005\04\01@084442 by Howard Winter

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flavicon
picon face
Maurcio,

On Thu, 31 Mar 2005 12:59:27 -0300, Mauricio Jancic
wrote:

> Hi,
>        Can anyone please tell me where to find those
conical spring loaded
> connectors sometimes used for ICSP programing?

"Pogo pins" - I have more than I need - how many do you
want?  If it's just a few, you can have them for the
postage (transatlantic, if you're in the USA)

Cheers,


Howard Winter
St.Albans, England


2005\04\01@094917 by Alan B. Pearce

face picon face
>"Pogo pins" - I have more than I need - how many do you
>want?  If it's just a few, you can have them for the
>postage (transatlantic, if you're in the USA)

Where do you get them from in the UK, Howard?

I might take you up on a dozen or so if I may.

Thank you

Alan B. Pearce
Space Science and Technology Department
R25 Rm 1-122
Rutherford Appleton Laboratory
Chilton
Didcot
OXON OX11 OQX
United Kingdom


Tel +44 1235 44 6532
Fax +44 1235 44 5848




2005\04\01@103016 by Howard Winter

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flavicon
picon face
Alan,

On Fri, 1 Apr 2005 15:49:05 +0100, Alan B. Pearce wrote:

> >"Pogo pins" - I have more than I need - how many do you
> >want?  If it's just a few, you can have them for the
> >postage (transatlantic, if you're in the USA)
>
> Where do you get them from in the UK, Howard?

I didn't, I got them when I was in the 'States!

> I might take you up on a dozen or so if I may.

I'll dig out the box and see what's there (they are a mixture of different top-shapes).

Cheers,




Howard Winter
St.Albans, Herts


2005\04\01@111803 by Mauricio Jancic

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Howard,
       Thank you very much. I've just sent you a private mail to the
address from wich  you send mails to the piclist, let me know if you cant
get "non-piclist" mails there.

Regards,

Mauricio Jancic
Janso Desarrollos - Microchip Consultants Program Member
infoEraseMEspam.....janso.com.ar
http://www.janso.com.ar
(54) 11 - 4542 - 3519


{Original Message removed}

2005\04\02@053123 by Peter

picon face

On Thu, 31 Mar 2005, William Chops Westfield wrote:

> On Mar 31, 2005, at 12:13 PM, Peter wrote:
>
>>  please no 'pulled' pogo pins. They are terrible...
>
> Really?  I pulled a couple test fixtures out of the dumpster at
> work and got more pogo pins than I know what to do with.  They
> were all friction fitted and/or wirewrapped; I'm not sure how they
> connected to equipment, but there's no flux and they seem to work
> fine after being pulled (somewhat carefully) with a pair of long-nose
> pliers...

Then you were very lucky. Mine were soldered into thick pcb with pth and
I had to pull them properly with heat gun preheat and some flux to avoid
using force. Never again.

Peter

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