RE: [Homebrew_PCBs] Re: HP Laserjet 4050 prints over-size
2011-04-07 by David C. Partridge
I tried KiCad, but it would only print one layer per sheet, and I wanted board outline as well as copper top superimposed. It also imported the Gerbers Off
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Re: machine for making of prototype PCB - metalcore
2011-04-07 by tda7000
Probably the quickest and cheapest way to do prototypes at home is the toner transfer method. If you have a clothes iron and a laser printer or access to these
RE: [Homebrew_PCBs] eyelets, single sided boards, and arthritis
2011-04-07 by Boman33
Note: This goes way back in history: Regular eyelets are completely circular like a tube with a flared top and not suitable for PCB use. The correct type for
Re: [Homebrew_PCBs] Re: ground planes - two sides, or just one?
2011-04-07 by Adam Shea
Really depends on what you re doing. For my power converter stuff I do a power plane on one side and ground plane on the other as it acts as a nice capacitor
Re: [Homebrew_PCBs] Re: ground planes - two sides, or just one?
2011-04-07 by Tom Biery
Yes I do the same see this youTube video http://youtu.be/7I41tVOruug groundplane on both sides if you like please subscribe ________________________________
Re: ground planes - two sides, or just one?
2011-04-07 by Terry
Generally speaking, the more ground plane -- top and bottom -- the better. The last step in most of my designs is to do a polygon fill tied to GND on both
eyelets, single sided boards, and arthritis
2011-04-07 by within walking distance
I was never very good at soldering when I was young. Now that I am in my late 50 s and arthritis has started to affect my hands, my soldering skills have
ground planes - two sides, or just one?
2011-04-06 by Andrew
I am closing in on designing a board that is a mix of SMD and through hole parts. I am using a zone on the bottom side to provide a ground plane; I wondered
RE: [Homebrew_PCBs] HP Laserjet 4050 prints over-size
2011-04-06 by David C. Partridge
I used DIPTrace, imported the Gerbers and printed. Now to remake the board (Grrr...) Dave ... From: Homebrew_PCBs@yahoogroups.com
Re: machine for making of prototype PCB - metalcore
2011-04-06 by edizontn
sorry, mi mistake.... metalcore - I think aluminium based PCB. For example, ours PCB manufacture using Doosan based material (
Re: [Homebrew_PCBs] HP Laserjet 4050 prints over-size
2011-04-06 by Jim
Pentalogix has a free Gerber viewer ... works very well ...you need to leave your e-mail address and they will send you a Magic Pass-word with instructions.
Re: [Homebrew_PCBs] HP Laserjet 4050 prints over-size
2011-04-06 by DJ Delorie
My laser printers all scale a little too; PCB has a calibration setting to compensate.
Re: HP Laserjet 4050 prints over-size
2011-04-06 by Andrew
David, I just checked GerbView, which is part of the KiCad package (but can be run as a separate program), and it does support scaling when printing ... sort
RE: [Homebrew_PCBs] HP Laserjet 4050 prints over-size
2011-04-06 by David C. Partridge
Does anyone know if any of the free Gerber viewers have this sort of scaling capability when they print? I know GC_Prevue doesn t D. ... From:
RE: [Homebrew_PCBs] HP Laserjet 4050 prints over-size
2011-04-06 by David C. Partridge
I ve asked NI via their forums if they have a similar solution to this problem D. ... From: Homebrew_PCBs@yahoogroups.com
Re: [Homebrew_PCBs] HP Laserjet 4050 prints over-size
2011-04-06 by Leon Heller
... The Easy-PC PCB software I used to use had a correction factor for use with laser printers. Errors in both axes could be fixed. Leon -- Leon Heller G1HSM
Re: [Homebrew_PCBs] Re: HP Laserjet 4050 prints over-size
2011-04-06 by Pete Harrison
Hi, a lot of laser printers do this,and it can usually be fixed by a professional service and laser alignment......mostly service software is needed as well as
Re: HP Laserjet 4050 prints over-size
2011-04-06 by Andrew
Sounds like it s time for a conversion to Kicad! :) Yes, I know -- that doesn t help a bit with the current project ...
RE: [Homebrew_PCBs] Re: HP Laserjet 4050 prints over-size
2011-04-06 by David C. Partridge
I ve printed directly from the PCB software, and also from GC-Prevue using the Gerber files from the PCB software. The output is identical in either case. I
Re: HP Laserjet 4050 prints over-size
2011-04-06 by Andrew
David, What software are you using to generate the image? Many have the ability to scale the output in very fine amounts. E.g., Kicad gives the option to
RE: [Homebrew_PCBs] Re: HP Laserjet 4050 prints over-size
2011-04-06 by David C. Partridge
It s been told to print in A4, onto A4 paper so that shouldn t be relevant. D. ... From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
RE: [Homebrew_PCBs] Re: HP Laserjet 4050 prints over-size
2011-04-06 by David C. Partridge
When I made the PCB it was onto glossy paper from a holiday brochure, but I just printed the design onto regular printer paper, and the error is the same. D.
Re: [Homebrew_PCBs] Re: HP Laserjet 4050 prints over-size
2011-04-06 by Adam Shea
Also be sure that the printer isn t trying to help you with it s Letter/A4 conversion. --Adam Shea. ... [Non-text portions of this message have been removed]
Re: HP Laserjet 4050 prints over-size
2011-04-06 by Terry
What are you printing on? If you are doing toner transfer, some of the transfer media strech in one direction about 1/2 of 1%.
Re: HP Laserjet 4050 prints over-size
2011-04-06 by David C. Partridge
This error is only in the long dimension of an A4 sheet, measurements across the paper appear to be correct.
HP Laserjet 4050 prints over-size
2011-04-06 by David C. Partridge
I just got a 36x2 way card extender type edge connector, 0.156 pitch to fit the card extender PCB I made with toner transfer printed with my HP Laserjet 4050.
Re: [Homebrew_PCBs] Re: machine for making of prototype PCB - metalcore
2011-04-06 by Leon Heller
... It has an inner metal layer (much thicker than the copper). and is used where large amounts of heat need to be removed. It s mainly used with high-power
Re: Looking for information on Kepro shear/benders
2011-04-06 by John
... Thanks Ben. I sent them an email asking for a manual or two on the old Kepro products. John
Re: Looking for information on Kepro shear/benders
2011-04-06 by Ben L
... Kepro is now D & L Products www.dalpro.net but don t think they sell the shear anymore and did not see any information about the shear that Kepro sold.
Re: machine for making of prototype PCB - metalcore
2011-04-06 by phildimond
Can you erxplain what you mean by metalcore ?
Re: PCB software - recommendation ?!
2011-04-06 by phildimond
I have no idea what Rhino CAD is, but if it is like AutoCAD et al, then I doubt you will find PCB layout software to read files from it. If the CAD software
Part 4 of my Reflow Oven controller for DIY PCB projects and 16F628A board example
2011-04-05 by Tom Biery
PCB ers and Reflow ers,,, I have uploaded another video of my reflow oven series this one is part 4. Please take a look heres the link...
Re: [Homebrew_PCBs] Re: plated-thru holes drill size
2011-04-05 by Andrew Leech
... I ve got a slightly different technique that works well. If I ve got a lot of holes to do, I ll start with 8 resister pigtails. I ll often sacrifice a
Re: [Homebrew_PCBs] Re: plated-thru holes drill size
2011-04-05 by DJ Delorie
... This is what I do. I ve found that a 28 gauge brass wire (standard hardware store size) in a #80 hole is a snug fit - you can push the wire through, but
PCB DIY'ers -- Back from Silicon Valley _ LeCroy WaveAce 112
2011-04-05 by Tom Biery
PCB DIY ers Please take a look and subscribe if you like my youtube channel Hamradio2008 link... http://www.youtube.com/user/HamRadio2008 my current video
Re: [Homebrew_PCBs] Re: plated-thru holes drill size
2011-04-05 by Chris Kleeschulte
wow! I think for now, I am going to stick to old school soldering small wires into my vias. Then just using a board house for copies of my prototypes. That
PCB DIY'ers -- Back from Silicon Valley _ LeCroy WaveAce 112
2011-04-05 by Tom Biery
PCB DIY ers Please take a look and subscribe my youtube channel Hamradio2008 link... http://www.youtube.com/user/HamRadio2008 my latest video Back from
Re: [Homebrew_PCBs] just back from Silicon Valley and New SMT Toaster Oven Reflow Soldering group...
2011-04-05 by Tom Biery
correction to subscribe to the DIY SMT reflow toaster group this is the link... reflow_toaster-subscribe@yahoogroups.com ________________________________ From:
RE: [Homebrew_PCBs] Re: High temperature sleeves for laminator rollers?
2011-04-04 by David C. Partridge
The fuser in the printer runs at 205C (plus or minus), so I m not surprised that a laminator needs to run hotter than that to achieve toner transfer. I don t
Re: High temperature sleeves for laminator rollers?
2011-04-04 by tda7000
These look pretty good... I understand a lot more than I did from your description (not saying your description is bad, but I was bad at understanding it,
just back from Silicon Valley and New SMT Toaster Oven Reflow Soldering group...
2011-04-04 by Tom Biery
Folks, please consider joining a new YAHOO Groupthat I have created http://groups.yahoo.com/group/reflow_toaster Here are some videos of my DIY oven... First
Re: [Homebrew_PCBs] plated-thru holes drill size
2011-04-04 by Simao Cardoso
... The drill size depends more on everything else than on spindle, easy answer: make a board with a bunch of vias for testing and count success rate per drill
Re: plated-thru holes drill size
2011-04-04 by Terry
I have tried this method with minimal success. I typically use a via hole size of 20mil, a #74 drill. I found it easier to not laminate the board prior to
plated-thru holes drill size
2011-04-04 by Chris Kleeschulte
I am going to trying using James Mitchell s plated-thru hole method this week and I wondering about the via creation in Eagle. What size hole is good to use
machine for making of prototype PCB - metalcore
2011-04-03 by edizontn
Hi, I can making prototype and small series of PCB - but metalcore. Is any machine for this ? thank you. ed.
Re: High temperature sleeves for laminator rollers?
2011-04-02 by David C. Partridge
OK, I ve uploaded a set of pictures which should be fairly self-explanatory to the Photo section folder High temperature laminator rollers .
RE: [Homebrew_PCBs] Re: High temperature sleeves for laminator rollers?
2011-04-02 by David C. Partridge
Attached - I will put a write up on my web site when I find that round tuit Regards, David Partridge ... From: Homebrew_PCBs@yahoogroups.com
RE: [Homebrew_PCBs] Re: High temperature sleeves for laminator rollers?
2011-04-02 by David C. Partridge
Attached - I will do a write on my website when I find that round tuit Regards, David Partridge ... From: Homebrew_PCBs@yahoogroups.com
Re: [Homebrew_PCBs] Re: Phaser solid ink printers
2011-04-01 by Mark Lerman
A final update: It probably is possible to feed .062 pcbs through this printer, but even if you are able to do so, the machine would be cumbersome to use and
Re: High temperature sleeves for laminator rollers?
2011-04-01 by Lee Studley
Photos!! :-)