2012-10-28 by Russell Shaw
... Sunlight doesn t affect FeCl or CuCl. Don t let it stay warm unless it s covered well to prevent evaporation. Peroxide etchant stuff may go off quicker
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2012-10-28 by dubob4432
Will do, anybody know if the storage vessel needs to be dark? Does sunlight dilute it? Bob
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2012-10-28 by Russell Shaw
... Using my FeCl bubble etcher which has degenerated to a copper-chloride etcher, doing a double-sided 1oz copper pcb is well done by 12 minutes, without
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2012-10-28 by dubob4432
Thanks. When you say bubble air through it you mean like w/ a fish tank air pump w/ those 1 way valves? Do I know how much air I need based off the color
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2012-10-28 by Harvey White
... The etchant uses the oxygen from the peroxide to enable the etching. To continue to etch with that solution, you need to bubble air through it. It will
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2012-10-28 by dubob4432
I have been using H2O2 from the pharmacy / Muriatic Acid combo, 2:1 - works well and is easy to get, but it doesn t work after the initial use. It seems every
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2012-10-27 by Andrew
And another vote for KiCad. I started my toner-transfer homebrew efforts with this software, and have never seen any reason to change. There are some good
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2012-10-27 by kbyrne10
On this topic of discussion I have a question before I buy a laminator GPC 220 Laminator. What is the best way to measure the temperature of the board after it
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2012-10-27 by tda7000
If you have not modified it I expect it has enough power to heat through the thin magazine paper but not enough to work well with the vinyl. Since it does work
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2012-10-27 by dubob4432
looks like i do not have the ideal unit :(
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2012-10-27 by dubob4432
laminator is stock...
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2012-10-27 by Mitch Davis
On Sat, Oct 27, 2012 at 2:34 PM, Peter Harrison ... I don t know how useful this is outside of Australia, but a friend of mine write a very nice page on
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2012-10-27 by Peter Harrison
... correct temperature?
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2012-10-27 by tda7000
I assume you have the laminator modified to run at the correct temperature?
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2012-10-27 by dubob4432
tried it tonight and i get much better results w/ glossy magazine pages...weird. using canon mf4150 and this laminator -
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2012-10-23 by michael tenore
Hi! I have for sale a brand new Kodak Bullet safe light with (3) three Filters. I bougth these for use with Kodak ortho film for making PCB s but never used
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2012-10-23 by ross_valusoft
... Mitch, Would be happy to try yours ... but have been doing software-only projects lately. Will take it to email. Cheers, Ross
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2012-10-22 by MIKE DURKIN
I agree ... On another note ... my laser printer arrived today ( so says ups) and will try the vinyl on paper transfer soon .... my wife has plenty of vinyl
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2012-10-22 by AlienRelics
... Really? I hate it when people respond with solutions privately, then all anyone sees on the list is people with problems and no solutions. I think it is
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2012-10-22 by Donald H Locker
The email came from the list, so the normal [mine, anyway] expectation would be for the reply to go to the list. Perhaps your email program has an issue. To
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2012-10-22 by Mitch Davis
... I really hate it when mailing lists are set to reply to all when you hit reply: http://www.unicom.com/pw/reply-to-harmful.html Really violates the
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2012-10-22 by Mitch Davis
... Oh the irony. When you sent that to me, all of three days ago, I was sitting at home in Box Hill. Now I m back in China. I ve just spent two months back
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2012-10-20 by Kevin Byrne
I am new to this as well as all other types of developement and tried your method with beautiful results. Method: 1. Hewlett Packard Laserjet 4 600dpi.
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2012-10-20 by ross_valusoft
... Hello Mitch, I thought that I had convinced you to go photoresist ages ago ... lol. How s China? Cheers, Ross
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2012-10-16 by g6bmy
Hi, Have a look at DesignSpark. This is a free, unlimited, multi-layer program from RS Components that has just gone in to version 4 - I m still using v3 at
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2012-10-16 by Confidential
You might try getting the kicad parts librarybput together by dangerous prototypes.com . I find it useful. [Non-text portions of this message have been
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2012-10-16 by tda7000
Add my vote for KiCad. I agree very much with what Bob said: Eagle just has a very weird way to do things Plus KiCad is totally free, and no artificial
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2012-10-16 by Mitch Davis
... Another popular free/open source program is KiCad, which is available for Window and Linux. So nice not to have to worry about board and size restrictions
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2012-10-16 by Mike
I usually use the gEDA gschem for schematic capture and editing, and pcb for board layout. Both are not only free but open source. That makes it easy to
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2012-10-15 by Neil Allen
i have fr4 1.6mm 100x160 35micron copper to both sides also packs of small pieces ( 10) single OR double sided FR2 single sided in a variety of panel
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2012-10-15 by Harvey White
... FR4 is the type of material, not a thickness. It s a bit more flame resistant than FR3, for instance. Paper based boards are common in commercial
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2012-10-15 by dubob4432
I too agree w/ Howard in regards to Diptrace. Unfortunately I learned of Diptrace after using Eagle for nearly 2yrs, but learning the workflow of Diptrace did
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2012-10-15 by AlienRelics
I concur with Howard. I do find Diptrace more intuitive and easier to use. To load an Eagle file into Diptrace, you must use Eagle... There is a ULP for Eagle
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2012-10-15 by MIKE DURKIN
Im a noob too ... I will be looking for FR4??or lighter copper clad board for SMD stuff ... I don t know how thin copper can be put on fiberglass, but I will
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2012-10-15 by circuit2u@rocketmail.com
hi everyone, i have worked in bare board pcb for 30 yrs now & run a small but expanding eBay store supplying tools & materials for pcb making. the link to the
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2012-10-15 by Kevin Byrne
I also down loaded diptrace and have one question. How can I generate a schematic ulp or research that to upload Eagle files in to it? Do you know? Kevin
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2012-10-15 by Howard Chester
... From: n1bru Subject: [Homebrew_PCBs] Newbie To: Homebrew_PCBs@yahoogroups.com Date: Sunday, 14 October, 2012, 22:12 ... ?N1BRU Hello
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2012-10-15 by Kevin Byrne
I have two programs that are easy to use as I am new also. Eagle by cadsoft. ExpressSCH & ExpressPCB are also easy to use. Both versions are freeware. Eagle is
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2012-10-15 by Leon Heller
... Here is something I wrote for the Parallax forum: http://forums.parallax.com/showthread.php?137896-Making-PCBs-at-home 73, Leon -- Leon Heller G1HSM
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2012-10-14 by n1bru
Hi everyone, I am really new to circuit board construction. I came here in hopes of learning everything there is to making circuit boards. 1. what program is
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2012-10-14 by tda7000
If you already have the printer or access to it I guess the best way is to try it out and see. If it can do decent prints but the toner won t melt well or
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2012-10-13 by ab1jx
I read somewhere that this printer didn t work well for doing direct toner transfers, or at least the standard toner that comes with it (presumably the black).
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2012-10-13 by ghosh_anindo
This looks like the perfect application for Dupont Pyralux sheets: http://www2.dupont.com/Pyralux/en_US/products/laminate/index.html Etch the copper layer of
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2012-10-12 by Rogerio F Cunha
This is the stuff I talked about: MCPCB s offer one of the most effective methods of thermal management for lighting designs utilising LEDs. MCPCB s comprise
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2012-10-12 by cunningfellow
... Daniel, See Files Etchinator Impeller.png
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2012-10-12 by Dennis
Odd to reply to myself, but. Phew... I m not confused. After actually reading the referred to websites that make these boards, it s clear they are exactly like
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2012-10-12 by Dennis
Just to make sure I m not confused(it happens). The original poster is wanting to make their own LED modules . In other words when someone usually orders a
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2012-10-12 by MIKE DURKIN
How about Dell 1700n? Anyone? ... [Non-text portions of this message have been removed]
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2012-10-12 by jcarlosmor
Hello Roger, I can see that most users got confused about your question. I think Roger want to do is simply to make PCBs with aluminum. Am I right Roger?
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2012-10-11 by cunningfellow
... Files Etchinator Impeller.png I hope this picture conveys the idea. Also not shown in the hidden detail is a tapered conical plug in the centre. It
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