Re: [Homebrew_PCBs] Building an etching tank?
2011-01-09 by Harvey White
... Thin plastic is not all that good. Plastic weld may or may not work, I don t know. Depends on what you do. You ll need to have something that withstands
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Re: [Homebrew_PCBs] Building an etching tank?
2011-01-09 by Ronald Shaul
Look at graigs list, garage sales, or used material stores like ReStore (Habitat for Humanity) for used fish tanks, pumps and tubing. These items should be
Building an etching tank?
2011-01-09 by nathan_h_tna
I m sure this has come up before, but I d like to build a cheap etching tank and wanted to get some advice before I actually do it. I was thinking of buying a
Re: Paper
2011-01-08 by Bob
Dennis, can you tell me your process you used? not sure if you used inkjet with a lazerjet as a two step process? Robert,
Re: Roland DXY 800/880
2011-01-08 by davethesteam@mailsaq.net
Hi, I m a new user so I m not 100% sure how this works, so here goes: I have a Roland DXY-880A plotter but I can t get it to work as I don t have a manual and
Re: [Homebrew_PCBs] Re: Paper
2011-01-08 by Jean-Marc Spaggiari
Me, I m puting soap (Ivory) on my paper for 3 minutes, when the board is still very hot. Then I pour boiling water on it. I let it in the water for 5 minutes,
Re: Paper
2011-01-08 by D
Hi, ... No paper removal required with inkjet transparencies. If you use the ironing method, you can see how toner is melting and where you need more
RE: [Homebrew_PCBs] Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-08 by Bob Butcher
I forget the details, but as I recall it was around 5 watts continuous. The laser was Q-switched and produced much higher peak power pulses, depending on the
Re: [Homebrew_PCBs] Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-08 by Bob Butcher
Good info, thanks. I no longer have access to the laser since I retired, but I do have CNC milling capability. This could be applied to that. [Non-text
RE: [Homebrew_PCBs] Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-08 by jeff.heiss
How many watts was the YAG laser? Concerning the cut lines from the laser being too narrow, would it be possible to increase the diameter of the laser surface
Re: [Homebrew_PCBs] Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-07 by Mark Lerman
Eagle has an ULP for isolation routing. See for some implementation data. Mark
Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-07 by Bob Butcher
A few years ago before I retired I had access to a large (3ft X 4 ft) CNC YAG laser system that I used on occasion to do the same thing. It worked well and I
Re: [Homebrew_PCBs] Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-06 by kabowers@NorthState.net
... Back in the 60s there was a similar device (made by Fairchild) that mounted a photograph on one end and a plastic sheet on the other side with a hot
Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-06 by mtuchelt
Your idea is interesting. I use to service gestetner products in my hay-days. They had a machine which used a 24 inch long rotating aluminum drum. A paper copy
Re: [Homebrew_PCBs] Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-05 by Larry Battraw
... Having spent a great deal of time dealing with HV, commonly over a 75 KV, I can tell you that you are likely to have a huge problem with the selectivity of
Re: [Homebrew_PCBs] Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-05 by Les Newell
To remove paint you just need to up the voltage - say 10kV or more. This could be generated by a simple car ignition coil driven from an oscillator. I have no
Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-05 by Andrew
... Cary was responding to both possibilities -- if you want to remove copper directly, EDM *could* do it, but 1) it would be slow, and 2) you would have to
Re: Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-05 by Jeff
I was suggesting not to remove the copper, but to remove the paint. After the paint is removed, place the board in etchant and etch. The copper will remain
Re: [Homebrew_PCBs] Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-05 by cary heestand
Having operated a EDM for over 13 years, its my experience that this won t work. A EDM doesn t work in this way. First the material to be eroded has to be
Electrical Discharge Machining plus painted board plus CNC x-y table
2011-01-05 by Jeff
I have an idea for making boards using Electrical Discharge Machining (EDM) that I would like to bounce off you guys. The idea is to use a needle on a CNC x-y
Re: [Homebrew_PCBs] Message Reply Problem
2011-01-04 by Erik Knise
I haven t had trouble replying to my other yahoo groups. ... Pacific Shipping Company Seattle, WA [Non-text portions of this message have been removed]
AQ3000
2011-01-04 by designer_craig
Can t seem to reply to the previous thread. Sorry to see the stuff become unavailable!!!! I ordered some off ebay about a year back and still have some. Did
Message Reply Problem
2011-01-04 by designer_craig
Anyone else haveing Yahoo problems replying to messages? I get the following error: Cannot retrieve message 27280 for Homebrew_PCBs Craig
Paper
2011-01-04 by akendo_ct
I m sure that there are 101 different opinions on direct toner transfer, and which papers to use. I don t proclaim expertise, but I will pass along a few
Laserjet 4Plus diagrams
2011-01-04 by lemar
I have the service manual for the Laserjet 4plus as it s available many places on the net. However I don t not have the timing diagrams for figure 21 and 22.
Re: AQ3000 Waterborne Photoresist -- finding some
2011-01-04 by Ben L
... I looked at AQ3000 to use before, Yes it use to be sometimes available on Ebay. I never brought any due to I was not sure if and when I could get more of
AQ3000 Waterborne Photoresist -- finding some
2011-01-03 by lbattraw
About a year ago I purchase some of the AQ3000 photoresist and had pretty good results with it as long as I carefully spun and cured it. Now I want more, and
Re: learning gEDA/PCB
2011-01-03 by Mike
... THANKS!
Re: [Homebrew_PCBs] RE: learning gEDA/PCB
2011-01-03 by DJ Delorie
... FYI I hang out on the #geda channel on OFTC.net, and have helped new users through the process of designing boards with gEDA/PCB there. I ve been accused
Re: [Homebrew_PCBs] RE: learning gEDA/PCB
2011-01-03 by Jean-Marc Spaggiari
Here are some links. First, the source: http://www.youtube.com/results?search_query=geda+howto&aq=f On that page, the 5 first videos are related to geda. You
RE: learning gEDA/PCB
2011-01-02 by Mike Bushroe
... What YouTube videos? I have been on the gEDA listserve for over a year and still trouble with both gschem and PCB. I use them and no other, but it is often
thanks
2011-01-02 by Mvs Sarma
Thanks, Steve for admitting me in the group. I wish you and all our members, a Very Happy and Successful 2011 regards Sarma [Non-text portions of this
Re: [Homebrew_PCBs] Software for PCB and misc notes on process, too
2011-01-01 by Malcolm Parker-Lisberg
Charles I second that Malcolm I don t suffer from insanity I enjoy it! ... From: Charles Patton Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Software for PCB.
2011-01-01 by Jean-Marc Spaggiari
gEDA/PCB is the one for me! After few Youtube tutorials, I m now able to handle it. And same thing regarding Linux vs Windows. For me, windows is a plateform
Re: [Homebrew_PCBs] Software for PCB.
2011-01-01 by DJ Delorie
I m a big fan of gEDA/PCB, but then again, I m biased... ;-)
Re: [Homebrew_PCBs] Re: Software for PCB.
2011-01-01 by rocko
That s funny because I m the opposite. I use Linux for real work and only use windows to play games, cause IMO that s all it s good for. Been using Kicad on
Re: [Homebrew_PCBs] Re: Alternate Masking Materials (CO2 Laser)
2011-01-01 by Jan Kok
... I don t understand what the problem is. According to the Wikipedia article on CDs: CD data are stored as a series of tiny indentations known as pits ,
RE: [Homebrew_PCBs] Software for PCB.
2011-01-01 by Steve Maroney
I like diptrace Best Regards, Steve Maroney Business Computer Support, LLC Mobile Phone:504-914-4704 Office Phone: 504-904-0266 Fax: 866-871-7797 From:
Re: Software for PCB.
2011-01-01 by Andrew
... Interesting ... my experience is mostly the exact opposite -- to get access to the kind of free programs that I really want to use, I find Linux to be a
Re: Software for PCB.
2011-01-01 by Andrew
Another vote for KiCad. I have not found the learning curve difficult, and there are some useful tutorials on the web. I only use it occasionally, and don t
Re: [Homebrew_PCBs] Re: Alternate Masking Materials (CO2 Laser)
2011-01-01 by Mark Lerman
I didn t mean cutting the board was a problem, rather it is cutting the isolation traces with the router that was the problem. The laser would solve it. Also,
Re: Alternate Masking Materials (CO2 Laser)
2011-01-01 by hotsnausage
There s two minor problems with that workflow from my experience: - I ve found that drilling through the paint tends to drive it into the hole, and getting it
Re: [Homebrew_PCBs] Re: Software for PCB.
2011-01-01 by Stefan Trethan
If it doesn t, $50 (or less?) gives you a XP pro license these days, and the option to run loads and loads of other free software. While Linux is just fine for
Re: Software for PCB.
2011-01-01 by hotsnausage
... From what little I ve played with it, DS appears to run just fine under Wine on Linux. -e
Re: [Homebrew_PCBs] New member
2011-01-01 by Donald H Locker
You might also check out another group which focuses on direct printing of etch resist on copper clad
Re: [Homebrew_PCBs] Re: Software for PCB.
2011-01-01 by Stefan Trethan
I don t think RS can politically afford to turn off the free tap. (And Easy-PC is not that expensive if the worst came to be). ST
RE: [Homebrew_PCBs] Re: Software for PCB.
2011-01-01 by Chiphead
On Behalf Of Howard Chester Hello John, DIPTrace is a free (300 pin limit, 4 Layer) schematic & PCB package. This comes with Auto-place & Auto-route. D/Load
Re: Software for PCB.
2011-01-01 by Howard Chester
Hello John, DIPTrace is a free (300 pin limit, 4 Layer) schematic & PCB package. This comes with Auto-place & Auto-route. D/Load the free version with the
Re: [Homebrew_PCBs] Software for PCB and misc notes on process, too
2010-12-31 by Charles Patton
The board layout pgm I personally like and use the most is FreePCB ( www.freepcb.com ) for Windows to do layout and generate Gerber files It s free and
New member
2010-12-31 by elijon@btinternet.com
Firstly my thanks to Steve for letting me into the group, My name is John and I live in the East of England not far from the Plug Hole where ledgend has it the