Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-09 by Harvey McRae
I tried my paper cutter, but taking off a piece that you want to use, is hopeless. The piece to the inside of the blade is cut quite smooth, but the cutoff
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Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-09 by Harvey McRae
I just required 20 (1 x 1.5 inch) PC Boards. I fully polished the larger piece....I have a regular size table saw, which I put the finest blade that I own in
Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-09 by Simao Cardoso
... Besides i own 3 types of table saw s never cross my mind using them to cut pcb s. Once i had access to relevant pcb equipment and i used a pen like tool
Re: Best Way to Cut PCB
2010-05-09 by sailingto
I use a HF paper cutter - this is the one I use: http://www.harborfreight.com/12-inch-x-9-3-4-quarter-inch-paper-cutter-9805.html I move the PCB out to mid
Re: Best Way to Cut PCB
2010-05-09 by Frank P
Studleylee, Thanks for your input but you solutions seem a bit pricey. There must be another way.... ?
Re: [Homebrew_PCBs] Re: HP 45 inkjet video firing
2010-05-09 by Henry Liu
I sell direct etch resist kits: http://www.fullspectrumengineering.com/pcbinkjet.html As I sell both products I am familiar with capabilities and UV curable
Re: HP 45 inkjet video firing
2010-05-09 by drmail377
HP-45 cartridges are water-based. They dry-out and are notorious for difficult recovery/refill. Why UV ink and not direct etch-resist (Mr. Liu I m sure you
Electroless Thru Plating / Tin Plating
2010-05-09 by Athar Kaludi
Hello All I am looking for the thru hole plating specially Electroless Nickle method. [without Palladium] I bought Nickle Sulfate, Nickle Chloride, Hypo
HP 45 inkjet video firing
2010-05-08 by Henry Liu
Mass market inkjet control was always a goal of these two groups. I ve developed all the high speed timing/drivers/power to use several of the HP 45
Re: Best Way to Cut PCB
2010-05-07 by studleylee
I use a harbor freight shear/bend/roll thing that I shimmed to have a steeper cutting angle.
Best Way to Cut PCB
2010-05-07 by Frank P
There has been a lot of discussion centered on the laser toner transfer methods but how do you folks cut your copper clad sheets? Thanks.
Re:DLP
2010-05-07 by Lee Studley
Wow Mark! Amazing job of documenting the process with pictures. You are a good person for sharing your insights and discovery.
New file uploaded to Homebrew_PCBs
2010-05-07 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File : /Direct
New file uploaded to Homebrew_PCBs
2010-05-06 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File : /Direct
DLP
2010-05-06 by Mark Lerman
I ve uploaded directions for the E260 hack in the files section of the group. The first part is the mechanical modification of the printer itself. In the next
New file uploaded to Homebrew_PCBs
2010-05-06 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File : /Direct
JCUT-3030 PCB Milling machine - any good?
2010-05-06 by peterjak
I have seen a few of these types of milling and drilling machines over the years and I am considering buying one for simple single sided mother-boards to
Re: [Homebrew_PCBs] Re: musings on a TT press
2010-05-06 by William Alford
... yes, i ve used those as well in photography, but it s been a long time. i think the difference will be that the T-shirt press has pressure adjustment with
Re: musings on a TT press
2010-05-06 by Harris Creek Central.
... Hi: I m new to this group, and as a retired Photographer, I still have a SEAL Drymount press. This is used for drymounting photographs. Is this
Re: [Homebrew_PCBs] DLP
2010-05-05 by Mark Lerman
As you see, I ve uploaded the E260 service manual - it just squeaked through sizewise after zipping it. I ve been madly experimenting with this thing (to the
New file uploaded to Homebrew_PCBs
2010-05-05 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File : /Direct
Re: [Homebrew_PCBs] Re: DLP
2010-05-04 by kabowers@NorthState.net
... This might help. href= http://www.pdfill.com/pdf_tools_free.html Keith Bowers WB4LSJ- Thomasville, NC
Re: [Homebrew_PCBs] DLP
2010-05-04 by Bruce Parham
Mark, You might try zipping it. PDF s are pretty tight but you can sometimes get 10% to 15% compression with a zip utility. Bruce
Re: DLP
2010-05-04 by Andrew
Mark, what sort of pruning did you have in mind? There is a program available on Linux -- maybe on Windows also? -- called pdftk that will let you manipulate
Re: [Homebrew_PCBs] DLP
2010-05-04 by Andrew Villeneuve
Mark, http://drop.io will let you upload the file and share the URL with the group. -Andrew ... [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] DLP
2010-05-04 by Mark Lerman
I d like to upload the service manual for the E260, but it s slightly too large (5439 KB) to upload to the group, and It s a pdf that I don t think I can
Re: TT Method via Kitchen Oven
2010-05-04 by sailingto
I am using the same laminator sold by Pulsar - a GBC Personal Laminator that was sold by MyBinding on ebay for $25 shipped. The one I have is a 2 heat
Re: [Homebrew_PCBs] Re: direct laser PCB
2010-05-04 by Mark Lerman
Great - Thanks. Mark
RES: [Homebrew_PCBs] Re: direct laser PCB
2010-05-04 by Jorge Lourenço Jr.
Mark, I´ve just stumbled upon your work via Hackaday. Cudos ! Hint: paint thinner fumes can melt toner and that should alleviate the pitting … just expose
Re: [Homebrew_PCBs] Re: direct laser PCB
2010-05-04 by David
I ll send you a sample to experiment with. I ve got your address, and will ship it probably Wednesday. Dave ... [Non-text portions of this message have been
Re: [Homebrew_PCBs] Re: TT Method via Kitchen Oven
2010-05-04 by Andrew Villeneuve
What laminator are you using? ... [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Re: direct laser PCB
2010-05-04 by Mark Lerman
Hi Dave, Thank you VERY MUCH for the recipe! This may indeed be the missing piece, though I really have no problem printing directly on the copper - My problem
Re: TT Method via Kitchen Oven
2010-05-04 by sailingto
Yep, that is the way I started - worked ok, more work and results were not totally consistent. I finally spent the $25 for a laminator and problems are over.
Re: [Homebrew_PCBs] Re: direct laser PCB
2010-05-04 by David
Greetings. Thought I d throw in my 2 cents here. If you apply a water soluble coating to the copper, you shouldn t need to modify your laser printer to be
Re: musings on a TT press
2010-05-04 by cboy2us
I ve tried two of them, one had bigger plates, and no real heat control, just two elements and a diode to rectify mains through the elements for the low
Re: [Homebrew_PCBs] Re: Toner transfer problems
2010-05-04 by Andrew Villeneuve
Steve, This makes sense - Inkjet Tshirt transfer paper is exactly what I was trying to use, but I didn t realize how many variations there were in these kinds
[Homebrew_PCBs] DLP
2010-05-04 by Mark Lerman
I will be modding a new E260 tomorrow afternoon and should have something up by Thursday. I have made a breakthrough of sorts that may allow us to use the
Re: Toner transfer problems
2010-05-04 by alienrelics
You are being very imprecise in your wording. The paper that stickers come on is not wax paper, it is a plastic coated paper similar to silicone release paper.
Re: TT Method via Kitchen Oven
2010-05-04 by drmail377
I ve been wondering about this oven method too. Lapping a slab of steel sounds like a chore though. I ve lapped heatsinks before and that wasn t fun. Yesterday
Re: Resist ink pens
2010-05-04 by ae5ew
I won t be buying one any time soon. Charles AE5EW
Re: [Homebrew_PCBs] TT Method via Kitchen Oven
2010-05-04 by Jim
Steve: Look at message http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/22175 I used a preheated block of steel and a clamp ... I have had consistent
TT Method via Kitchen Oven
2010-05-04 by Steve Maroney
Hey Guys, I just attempted the Toner Transfer method by using my kitchen oven. I preheated the oven and PCB to 300 degrees. It didn t work out very well due
Re: [Homebrew_PCBs] Re: Resist ink pens
2010-05-04 by Andrew Villeneuve
Simple and effective...I love it! ... [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Re: Toner transfer problems
2010-05-04 by Andrew Villeneuve
That stuff, as I understand it, is simple wax paper. I tried iron-on T-shirt transfer paper, which appears to be very similar, and didn t require any soaking
Re: Resist ink pens
2010-05-03 by bownes
I have had great luck using fine point sharpies stuck into home made adaptors and plotting directly onto FR4 with a slightly modified HP 7475 plotter.
Re: Toner transfer problems
2010-05-03 by bownes
First off, thanks for the followup after soliciting advice. It s a big help to those who come later! I ve had similar issues with transfer methods no matter
Re: [Homebrew_PCBs] Resist ink pens
2010-05-03 by Bob Butcher
The particular laser I used was designed for another purpose and was a high power pulsed YAG laser capable of cutting thin metal. It would remove the paint
RE: [Homebrew_PCBs] Re: musings on a TT press
2010-05-03 by Steve Maroney
Hey my GF has one of those, does it really work ? Best Regards, Steve Maroney Business Computer Support, LLC Mobile Phone:504-914-4704 Office Phone:
Re: [Homebrew_PCBs] Resist ink pens
2010-05-03 by Andrew Villeneuve
To be fair, I didn t immediately recognize that this was a $25k industrial laser system. Still, I wonder if a simpler device could be fitted with such vacuum
Re: [Homebrew_PCBs] Resist ink pens
2010-05-03 by Andrew Villeneuve
This tutorial claims to have solved this problem by using a laser engraving machine with a vacuum system, and doing the engraving starting away from the vacuum