Yahoo Groups archive
Messages
Page 574 of 707 · 35337 messages matched
2004-08-21 by ron amundson
I ve been bitten by card edge connectors as well.... Avoid them. As far as the front pcb, thats a lot of laminate, and you may have to spend a preminum to get
2004-08-20 by Stefan Trethan
... agreed. especially if the second foldback clip is _not_ used with ribbon cable headers the strain is too much. if the user pulls at the edge the
2004-08-20 by Stefan Trethan
... by the way that works really well with sub-d connectors. (the solder-lug type, 1.5mm PCBs are a snug fit). Ideal for small circuits like pic programmers
2004-08-20 by cybermace5
**QUOTE Which of those (probably out of #1 through #4) sound good ? One immediate problem I can foresee, with just adding a second side to each pcb and then
2004-08-20 by Roy J. Tellason
I m just gonna toss out a few thoughts coming to the fore, based on me working on all sorts of stuff over several decades, mostly repairs... ... Pin headers
2004-08-20 by Stefan Trethan
On Fri, 20 Aug 2004 14:41:23 -0500, Thomas P. Gootee ... I didn t read all of your post but i will tell you a story a good teacher told me
2004-08-20 by Thomas P. Gootee
Thanks, to everyone who replied so far, for the good suggestions and information! This re-design is still in the very early stages. I don t know if this is too
2004-08-20 by mikezcnc
Grant, I haven t done the modification because i am running 0.040 boards. Maybe you could ask that question on Pulsar site www.pulsar.gs? He is very helpful
2004-08-20 by ron amundson
... A lot depends on static or dynamic bending. In a dynamic situation, you are limited to fairly large radius with Kapton. If the bend is static, I ve seen
2004-08-19 by Phil
If these are straight headers, I ve had success soldering the header pins on the bottom, gently prying up the plastic spacer (or what ever its called) that is
2004-08-19 by cybermace5
... though. I forgot to mention a little trick with 0.1 spaced double-row headers. Don t know if your board layout will work with this. But if your PCB
2004-08-19 by cybermace5
... though. ... There is. When I m doing a one-off, home hack project that will go in a case and no one will ever see it except me, making a PCB at home is
2004-08-19 by Stefan Trethan
... You can solder the 2-row headers top side. Just keep 2mm distance between the board and the molded plastic and hold the iron relatively flat against the
2004-08-19 by Thomas P. Gootee
***ORIGINAL MESSAGE: Date: Thu, 19 Aug 2004 12:44:52 -0000 From: cybermace5 Subject: making vias (was: Re: Plating thruholes.) ... I
2004-08-19 by wheedal99
Most of the stuff I do is smt any more... There are an increasing number of parts out there that don t even offer a through hole package. SMT is actually
2004-08-19 by Roy J. Tellason
... If you use the case as substrate are you restricting your designs to SMT only? Or are you planning on soldering to it somehow and then putting it in there?
2004-08-19 by wheedal99
That might be an idea... Added bonus of maybe using the case as the substrate... I ll look at that. Anyone used homebrew techniques to etch that stuff? This
2004-08-19 by Roy J. Tellason
... First thing that comes to mind for me is those craft stores , where you might find some fairly thin copper foil. Getting a hold of some of that, you
2004-08-19 by Phil
yup, that s what I do too. Its quick and easy. You do have to be careful of placing vias near solder points as you can inadvertantly remelt the via solder
2004-08-19 by bsjoelund
Below a link to Swedish friend offering pcb-clad http://w1.121.telia.com/~u12103129/ Maybe you can find something from the list that will suite your needs?
2004-08-19 by wheedal99
I m not really certain what materials are even available. I ve read about some of the kapton and pyrolux stuff. The bends arent hugely agressive. 1 radius
2004-08-19 by bsjoelund
What kind of basematerial? To what radius do you want to bend? Bengt
2004-08-19 by wheedal99
Has anyone used or know where to get some flexible copper clad material. I ve got a few experiments that I d like to try with it.
2004-08-19 by Steve
... I already had a folder, PCB and CAD Programs, full of links suggested by people here. I renamed it Schematic, PCB, and CAD Programs and moved your link for
2004-08-19 by cybermace5
... I can t read seven thousand posts, so I don t know if this method has been presented before. But in case it hasn t: 1. When laying out PCB, take note of
2004-08-19 by grantfair2001
I just bought a GBC H200 laminator and am trying to modify it as per the plans on the www.pulsar.gs website for use with toner transfer to PCBs. Step (12) in
2004-08-18 by Dave Mucha
... I stared a folder in the links section. post your favorite software and make the subject line notes as shown. If that does not work, we ll do a database so
2004-08-18 by bsjoelund
I use Zuken/Redac Cadstar since many years Bengt
2004-08-18 by Leon Heller
... From: mikezcnc To: Sent: Tuesday, August 17, 2004 11:02 PM Subject: [Homebrew_PCBs] Re:
2004-08-18 by JanRwl@AOL.COM
In a message dated 8/17/2004 11:35:37 AM Central Standard Time, computerguyknowsit@yahoo.com writes: How many of you are designing your own PCB s and what
2004-08-18 by Richard Mustakos
I ve been using Eagle. It gets the job done, but nobody asks if it has a twin sister at home. Richard
2004-08-18 by Phil
this question comes up about once a month. the most recent one was about 2 weeks ago. If you search you ll find quite a few postings on probably 10 different
2004-08-17 by mikezcnc
http://www.pulsonix.com/prices.asp Do they a trial mode, like so many nodes can be designed by a hobbyst, similar to Target or Eagle? Mike ... software
2004-08-17 by leon_heller
... I use Pulsonix: http://www.pulsonix.com It s easy to use, bugs get fixed quickly, and support is excellent. Leon
2004-08-17 by Dwayne Reid
... Very old version of EE Designer II (very fast, absolutely stable, DOS/Win9x) Current version of Cadint PCB (harder to use,
2004-08-17 by computerguyknowsit
Q: How many of you are designing your own PCB s and what software do you prefer and why? Rob.
2004-08-17 by Stefan Trethan
... I regularly use it to repair printed (unsolderable - on plastic) stuff like keyboards (i like to change key functions if they are not where i want them).
2004-08-17 by Stefan Trethan
... don t have production boards, only one-offs. also etched stancils are known to be problematic with paste release (rough edges). ST
2004-08-17 by Dave Mucha
... little it ... It also ... components, ... it just ... VERY sure ... instead ... when i ... with that? ... doesn t ... to work ... If you have a production
2004-08-17 by JanRwl@AOL.COM
In a message dated 8/16/2004 10:35:49 PM Central Standard Time, yahoo@digital-wizardry.co.uk writes: £14:50 doesn t seem particularly cheap to me though.
2004-08-17 by Mike
... the ... not ... if ... It looks like I m going to be the one to save up £6 and nip down to Maplins some time (Farnell, RS etc are the same price). Quite a
2004-08-17 by Mike
... Also called rivets: http://www.megauk.com/through_hole_rivets.php These seem to go down to 0.7mm hold diameter, 2.2mm length. £14:50 doesn t seem
2004-08-16 by JanRwl@AOL.COM
In a message dated 8/16/2004 4:19:02 AM Central Standard Time, myke_oltcit@yahoo.com writes: How are those tiny metal cilinder named? Eyelets [Non-text
2004-08-16 by Dwayne Reid
... The term is via . If you are looking for the name of the parts used to make vias on homemade PCBs, I can think of two: Harwin track pins and Multicore
2004-08-16 by ballendo
Hello, Working hard. stop. Going well. stop. Few more days. stop. Ballendo
2004-08-16 by Stefan Trethan
Hi, again the same topic. Last time i asked someone suggested glycerine and IPA. (sorry for forgetting your name) Tried it, in varying ratios of glycerine/ipa
2004-08-16 by Leon Heller
... From: preda mihai To: Sent: Monday, August 16, 2004 10:17 AM Subject: [Homebrew_PCBs] double
2004-08-16 by Stefan Trethan
On Mon, 16 Aug 2004 09:17:59 -0000, preda mihai ... they are called plated (through-)hole, or via (but i think via only if there is no
2004-08-16 by preda mihai
How are those tiny metal cilinder named?i`m talking about the one used to connect top layer to bottom layer.
2004-08-16 by ron amundson
... Having been there done that, if care is taken, I don t see the problem. But, one must not be sloppy about it, as molten solder is not something to play