RE: [Homebrew_PCBs] Squink - The conductive ink printer
2014-07-17 by Tony Smith
... I d be doubtful of the 0.7 ohms measurement, that meter wouldn t be accurate enough for that small a reading. Plus you d need to know the thickness - I m
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Re: 3D-printed plastic resist (was: Re: [Homebrew_PCBs] Squink - The conductive ink printer)
2014-07-17 by Peter Johansson
On Wed, Jul 16, 2014 at 8:18 PM, Brad Thompson brad.thompson@valley.net [Homebrew_PCBs] ... I don t know if it will be a showstopper for anyone who can
Re: 3D-printed plastic resist (was: Re: [Homebrew_PCBs] Squink - The conductive ink printer)
2014-07-17 by Jan Kok
I ve used hobby-type 3D printers and also used HP pen plotters (for their normal purposes, not for producing PC boards). Based on that experience, I suspect
Re: [Homebrew_PCBs] Squink - The conductive ink printer
2014-07-17 by Dennis Shelgren
I personally didn t see anything I would call fine pitch. Also it s clear that the goal was simply conductivity for logic levels only. But the tech is clearly
3D-printed plastic resist (was: Re: [Homebrew_PCBs] Squink - The conductive ink printer)
2014-07-17 by Brad Thompson
On 7/16/2014 6:18 PM, Peter Johansson rockets4kids@gmail.com ... Hello-- I posted this topic a while ago, and I haven t received any responses from 3D printer
Re: [Homebrew_PCBs] Squink - The conductive ink printer
2014-07-16 by Peter Johansson
On Wed, Jul 16, 2014 at 6:51 AM, Vicent Colomar Prats vicentecolomar@gmail.com [Homebrew_PCBs] ... 10 mils is not bad, It will
Re: [Homebrew_PCBs] Squink - The conductive ink printer
2014-07-16 by Dennis Shelgren
I saw one in person at the Maker Faire. It made very neat prints on paper. It does have some limitations on trace size and current capacity, but it s fantastic
RE: [Homebrew_PCBs] Squink - The conductive ink printer
2014-07-16 by Tony Smith
Cute idea. The silver conductive ink has been around for ages (quite expensive too) and is usually used for repairing PCB traces. People have managed to put
[Homebrew_PCBs] Squink - The conductive ink printer
2014-07-16 by Vicent Colomar Prats
Wow, have you seen this? https://www.kickstarter.com/projects/botfactory/squink-the-personal-electronic-circuit-factory Never heard about the conductive glue,
Re: [Homebrew_PCBs] Re: What is AcidMagic?
2014-07-15 by Peter Johansson
On Mon, Jul 14, 2014 at 2:13 PM, qz9090@yahoo.com [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: What is AcidMagic?
2014-07-14 by Stefan Trethan
I believe it would work just fine, it would not be fit for many other purposes if it was not fit for etching PCBs. ST On Mon, Jul 14, 2014 at 8:13 PM,
Re: What is AcidMagic?
2014-07-14 by qz9090@...
Since Muriatic acid is hydrocloric acid, I really don t want to store the stuff over a long period of time. I don t do a lot of etching so I would have it
Re: What is AcidMagic?
2014-07-14 by qz9090@...
Stefan, Do you think AcidMagic would perform as well as Muriatic acid for etching purposes? The reason why I ask is that I don t do a lot of etching and
Re: [Homebrew_PCBs] What is AcidMagic?
2014-07-12 by Stefan Trethan
AcidMagic is HCl buffered with unknown ingredients to reduce fuming. ST On Sat, Jul 12, 2014 at 5:09 AM, qz9090@yahoo.com [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: What is AcidMagic?
2014-07-12 by Bill Maxwell
Sounds like something you might pressured to buy at a late party but at my age, I doubt it would be Magic enough!
Re: What is AcidMagic?
2014-07-12 by beefyzee@...
Hi Frank, no idea what AcidMagic actually is but as far as Muriatic Acid goes, mixed with hydrogen peroxide, it s dynamite for etching. Do some searches here
What is AcidMagic?
2014-07-12 by qz9090@...
I was recently reading an article on making PCBs and it was recommend that Muratic Acid or AcidMagic be used as an etchant. I know that Muriatic Acid is HCl
Re: Any Galaad/Percival Users?
2014-07-07 by Howard Chester
Andrew posted the following Hello all, I m having some issue with importing an Excellon drill file, generated from Eagle using the stock excellon.cam job,
Re: [Homebrew_PCBs] Any Galaad/Percival Users?
2014-07-05 by Boots Hughston
Hi , I also use Eagle, excellon drill files with Galaad copper cam. Usually the error you have is a mm to inch conversion problem. Make sure your setting are
Re: [Homebrew_PCBs] Re: chip soldering service
2014-07-05 by joeprice@...
All, I don t have the boad yet. As this is a 4 layer board I m not sure if has Via or not. The reason for post is that the AD9866 is expensive to ruin and
Re: [Homebrew_PCBs] Re: chip soldering service
2014-07-05 by Leon Heller
... For hand soldering I use a single large via in the pad with a large soldering iron tip. Leon -- Leon Heller G1HSM
Re: chip soldering service
2014-07-05 by alienrelics@...
The tough part with that package is getting the large pad on the bottom soldered to the board. If the PCB has a lot of plated-through holes under the chip,
Any Galaad/Percival Users?
2014-07-05 by alexanderhosford@...
Hello all, I m having some issue with importing an Excellon drill file, generated from Eagle using the stock excellon.cam job, into Percival, the PCB module
Re: [Homebrew_PCBs] chip soldering service
2014-07-04 by Jean-Paul Louis
Joe, If you have the Hakko 850B, the only thing you need is a square nozzle. But you do not need the exact shape, one that is close (just a bit bigger) should
chip soldering service
2014-07-04 by joeprice@...
After receiving the AD9866 64LFCSP chip and reading about methods of soldering I m not sure that without additional equipment such as a reflow oven I ll be
File - monthly.txt
2014-07-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder for Homebrew_PCBs list, please read: Messages and threads: Please do NOT start a new thread by replying to another message. Even if you change
RE: [Homebrew_PCBs] Re: Spring loaded Engraving bit holders
2014-06-29 by Mark Harrison
Thanks for the link. Looks good but it appears in this design that the depth nosepiece rotates with the engraving tool. It could get pretty hot from friction
RE: [Homebrew_PCBs] Spring loaded Engraving bit holders
2014-06-29 by Mark Harrison
Thanks Bertho, Good suggestion! Mark From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com] Sent: Saturday, 28 June 2014 02:25 AM To:
Re: Spring loaded Engraving bit holders
2014-06-29 by Dave Sage
As for Why bother I wasn t looking for a smart ass answer. It was a simple question if anyone had used one and their experiences with it. But to answer that
Re: [Homebrew_PCBs] Spring loaded Engraving bit holders
2014-06-28 by Jean-Paul Louis
Seems like Highway robbery to me. $350 US for one piece is more than I am willing to pay for such a simple tool. Jean-Paul AC9GH
Re: Spring loaded Engraving bit holders
2014-06-28 by Dave Sage
Seems like what I described is available from the company I linked to in my last post. I just didn t look far enough in the site. Great minds think alike I
Re: Spring loaded Engraving bit holders
2014-06-28 by Dave Sage
I finally found the Ad for the spring loaded engraving tool I was referring to. Claims it can engrave curved and uneven surfaces. But I guess I was wrong. By
Re: [Homebrew_PCBs] Hand Graving Tools for PCB's
2014-06-28 by Peter Johansson
On Fri, Jun 27, 2014 at 3:58 PM, bobledoux@proaxis.com [Homebrew_PCBs]
Re: [Homebrew_PCBs] Hand Graving Tools for PCB's
2014-06-28 by Peter Johansson
On Fri, Jun 27, 2014 at 10:28 PM, David Lyon david.lyon.preisshare@gmail.com ... Do you do this manhattan style? Or do you include some prototyping pads on
Re: [Homebrew_PCBs] Hand Graving Tools for PCB's
2014-06-28 by David Lyon
Often when I need to make something, I just take some pcb that I have, then add parts to get what I need. On Sat, Jun 28, 2014 at 6:18 AM, Zoran A.
Re: [Homebrew_PCBs] Hand Graving Tools for PCB's
2014-06-27 by "Zoran A. Šćepanović"
... Hash: SHA1 ... Do you have time in abundance? - -- Best Regards Zoran A. Scepanovic zastos@gmail.com +381 63 609-993 ... Version: GnuPG v1
Hand Graving Tools for PCB's
2014-06-27 by bobledoux@...
Fine instruments and firearms have traditionally been hand engraved using a diagonally cut square piece of tool steel. Do we have any experience with this
RE: [Homebrew_PCBs] Spring loaded Engraving bit holders
2014-06-27 by Boman33
Mark, If the spacer is threaded it could just be given a slight turn to adjust the depth. There could be either thread friction or a clamping collar to keep
RE: [Homebrew_PCBs] Spring loaded Engraving bit holders
2014-06-27 by Mark Harrison
Hi Sage, I’m not sure the spring loaded bit holder will work by itself. It would need some means of limiting the cut depth. There are several PCB routing
Spring loaded Engraving bit holders
2014-06-27 by davesage12@...
For those that CNC mill their own PC boards I know there is autolevelling software out there to control the engraving depth, but I was wondering if the spring
Re: (long) Re: [Homebrew_PCBs] Re: DLP for imaging photoresist
2014-06-20 by Brad Thompson
On 6/20/2014 3:11 PM, Jeff Heiss jeff.heiss@comcast.net ... Hello, Jeff and the group-- I don t have a link, but again IIRC it was a homebrewed job and that
RE: (long) Re: [Homebrew_PCBs] Re: DLP for imaging photoresist
2014-06-20 by Jeff Heiss
I didn’t know laser engravers were as low as $300. Do you know a link? Jeff From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com] Sent:
(long) Re: [Homebrew_PCBs] Re: DLP for imaging photoresist
2014-06-20 by Brad Thompson
On 6/20/2014 5:17 AM, Clement Quinson clement.quinson@gmail.com ... Hello-- I recall seeing a description of a direct laser projection PC-board exposure
Re: [Homebrew_PCBs] Re: DLP for imaging photoresist
2014-06-20 by Clement Quinson
Well as I said, I am very interested by that kind of equipment, and will meet in approx one week those guys during a OSHW conference. Hopefully we ll chat, and
Re: [Homebrew_PCBs] Re: DLP for imaging photoresist
2014-06-20 by David Pickering
Thanks Stan Found this idea very interesting and shall post it on Geotech if that s OK to see if I can generate some interest with hopeful positive feedback On
Re: [Homebrew_PCBs] Re: DLP for imaging photoresist
2014-06-20 by Harvey Altstadter
Jeff, You can get a translation of the portion of the page that is in German by going to translate.google.com. Set it to detect the language, and copy and
RE: [Homebrew_PCBs] Re: DLP for imaging photoresist
2014-06-20 by Jeff Heiss
The www.das-labor.org/wiki/LaserExposer project is very neat. The good stuff is in the second half. I wish the page was all English so I could read it. From:
Re: [Homebrew_PCBs] Re: DLP for imaging photoresist
2014-06-19 by Clement Quinson
Hello all, DLP imageing systems are a reality in the PCB manufacturing industry. Several companies do offer such systems: usually they have one or several
Re: DLP for imaging photoresist
2014-06-19 by stan_katz@...
This technology was reported for student use at Pomona College back in 2005: https://www.physics.rutgers.edu/ugrad/387/388s06/film_deposition/Musgraves05.pdf
Re: [Homebrew_PCBs] Re: Printer Recommendation
2014-06-17 by Kevin Byrne
Hp Laserjet Configure Software - Free Download Hp Laserjet Configure (Page 3) Hp Laserjet Configure Software - Free Download Hp Laserjet Configure (Page 3) Hp