Re: [Homebrew_PCBs] Source for solder paste squeegees?
2010-11-19 by DJ Delorie
Couple of things to try... Try different angles. I use another PCB as the squeegee, and I have to lean it over more to keep the solder bead down near the
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Re: Source for solder paste squeegees?
2010-11-19 by dubob4432
what type of stencil? kapton/mylar or steel?
Re: [Homebrew_PCBs] Re: Source for solder paste squeegees?
2010-11-19 by Philip Pemberton
... The board is a 16x10cm Eurocard. Thanks, -- Phil. ygroups@philpem.me.uk http://www.philpem.me.uk/
Re: Source for solder paste squeegees?
2010-11-19 by dubob4432
i personally use a razor blade in a pair of vice grips. not sure how big your board is but for the small boards i have done this comes out excellent (could
Source for solder paste squeegees?
2010-11-19 by Philip Pemberton
Hi guys, I m having a play with solder paste and a homebrew reflow oven -- basically an Argos Cookworks Mini Oven , 1640W quad-element (two top, two bottom),
Re: [Homebrew_PCBs] Starting off a HCl+H2O2 / CuCl etch bath
2010-11-13 by DJ Delorie
... Well, you want enough copper to get the density to the low end of the useful range, but not so much that you get to the high end. You want to build the
Re: [Homebrew_PCBs] Starting off a HCl+H2O2 / CuCl etch bath
2010-11-11 by Philip Pemberton
... That suits me fine -- it s easier to get the acid in large quantities than the peroxide. ... Yep, I ve heard the old saying: Add acid to water, just like
Re: Starting off a HCl+H2O2 / CuCl etch bath
2010-11-11 by psykhon@yahoo.com
Im using a 25% hcl and 30% peroxide diluted to 3% for large boards and semi professional manufacturing. The process is not very critical but you shoul BE AWARE
Re: RS free layout program
2010-11-11 by christiansen_alex@hotmail.com
... yes I have tried DipTrace ,but none that is used with Linux I disliked Diptrace like all other I have tried. annnndd OUch :) hmm if this is the only bad
Re: [Homebrew_PCBs] Starting off a HCl+H2O2 / CuCl etch bath
2010-11-11 by DJ Delorie
The usual recipies are designed for one part 37% acid and two parts 2% peroxide. Since you re using a weaker acid and a stronger peroxide, you ll have to
Re: soldering
2010-11-11 by blue_eagle74
As of now I do not have anymore time for new work. Thank you for all your replys. Brian
Re: [Homebrew_PCBs] Starting off a HCl+H2O2 / CuCl etch bath
2010-11-10 by Andrew Leech
... I personally don t think it s very critical. I started a bath quite a few years ago with simply a small amount (1cm in bottom of tank) of spent ammonium
Starting off a HCl+H2O2 / CuCl etch bath
2010-11-10 by Philip Pemberton
Hi guys, Does anyone know off-hand what the required ratio of Hydrochloric Acid to Peroxide is when starting off a cupric chloride etch bath? I ve tracked down
Re: RS free layout program
2010-11-10 by rocko
Have you tried Design Spark http://www.designspark.com/pc DipTrace http://www.diptrace.com/ Or ,my favorite Kicad
Re: [Homebrew_PCBs] Re: RS free layout program
2010-11-09 by Dave Garfield
LOLOLOL! Heh, heh! Just ONE little letter! :-D That s all it takes! CLOWN SUITS! EXCELLENT! (Don t mention this to synthesizer repair guru, Kevin
Re: [Homebrew_PCBs] Re: RS free layout program
2010-11-09 by Kerry Wentworth
... Does he have any clown suits? ;) -- Internal Virus Database is out-of-date. Checked by AVG Anti-Virus. Version: 7.0.289 / Virus Database: 267.11.13 -
Re: RS free layout program
2010-11-09 by christiansen_alex@hotmail.com
... thank for information again to you two.. There are so many different layout programs ,but I have not tried any that is working well to me exept Eagle..
Re: [Homebrew_PCBs] Re: RS free layout program
2010-11-07 by Leon Heller
... It.s a lot more useful than the free version of Eagle, of course. Leon -- Leon Heller G1HSM
Re: [Homebrew_PCBs] Re: RS free layout program
2010-11-07 by Stefan Trethan
Well, they are not going to say we are giving you a free software, it s not fantastic, but hey, it s free . Neither is Westdev going to put a free tool on the
Re: RS free layout program
2010-11-07 by christiansen_alex@hotmail.com
... thank you Stefan and Leon hmm then its not as exeptional as RS said some time ago. I go on using my.. Eagle..:) Alex
Re: [Homebrew_PCBs] RS free layout program
2010-11-07 by Leon Heller
... It s a version of Number One Systems Easy-PC, which I used for many years. It s very easy to use, but is a bit limited. Leon -- Leon Heller G1HSM
Re: [Homebrew_PCBs] RS free layout program
2010-11-07 by Stefan Trethan
It s basically Easy-PC from Westdev. Definitely workable, but a lower end software like Eagle etc. Still very good value for money ;-) ST
RS free layout program
2010-11-07 by christiansen_alex@hotmail.com
hi As I read the mail about cadstar, I remembered that RS components have a free program with no limitations I have not had time to try it, but maybe some
Re: New CADSTAR Express release
2010-11-06 by howard.chester
... One again...sorry folks, first cup of coffie and one eye closed, thanks again Steve for pointing out the glaring typo...
Re: New CADSTAR Express release
2010-11-06 by alienrelics
A suggestion about posting links. When posting links, put it on its own line, do not use punctuation, and always add the http:// at the beginning. And if the
New CADSTAR Express release
2010-11-06 by howard.chester
I ve just D/Loaded the free (300pin, 50 device limit)Zuken CADSTAR V12.1 I will try it out over the weekend and post the results soon. D/Load from
soldering
2010-11-06 by blue_eagle74
Still looking for some side work in soldering proto boards. Small quantities. I am certified IPC-610/J-standards class 3, trace/pad replacement and substrate
Re: soldering
2010-11-04 by blue_eagle74
This is true. you need to put a small amount of solder on your tip. it creates a heat bridge. A dry tip is a poor conductor of heat and may damage the
Re: [Homebrew_PCBs] Melting temperatures of toner
2010-11-03 by DJ Delorie
When I did my laminator hack, I tested a couple of toners. HP melts around 170C (340F) and the high-temp Brother around 187C (370F). I ve yet to take the
Re: [Homebrew_PCBs] Melting temperatures of toner
2010-11-03 by freedom2000
Hi, I have a lexmark with original toner. It s merlting at 170 - 180°C Other brands like brothers may melt at 210°C JP ... De: tda7000
Re: [Homebrew_PCBs] Melting temperatures of toner
2010-11-03 by Jean-Marc Spaggiari
Hi TDA, I also have a Lexmark (E210), and a GBC laminator (http://www.presentationsdirect.com/gbc-heatseal-9-creative-pouch-laminator.html) and it s working
Melting temperatures of toner
2010-11-03 by tda7000
Does anyone know the temperatures that different brands of toner melt at? I managed to make transfer work with an iron, but the toner spread out a bit (doesn t
soldering
2010-11-03 by blue_eagle74
I am looking for some side work in soldering. I now have an esd station at home. I am IPC610 and j-std quilified, lead and leadfree. I am looking to do small
Re:My Email was hacked
2010-11-02 by g3oou@aol.com
Under no circumstances should you click on a link that is an executable unless you trust where it comes from! Regards Bob Bob F Burns C Eng, FIET, MSE Amateur
My Email was hacked
2010-11-02 by Rocko
I m sending this to everyone in my email contact list. My Gmail account was hacked the other day and was used to send spam using my email address. If you
Re: DJ Delorie interview about GEDA on EEVblog
2010-10-31 by Andrew
... Actually, this is that new operating system, designed for use on the next moon shot ...
Re: [Homebrew_PCBs] DJ Delorie interview about GEDA on EEVblog
2010-10-31 by DJ Delorie
... Well, gEDA stands for GPL d EDA so you get the jee sound, not the ghee (as in GNU) sound. As for Kicad, I ve heard it pronounced kigh-cad and
Re: PCB software
2010-10-31 by First L
For some reason I was not getting my daily digest of messages. I am going to look at all the programs that have been mentioned. I really appreciate this help.
Re: [Homebrew_PCBs] DJ Delorie interview about GEDA on EEVblog
2010-10-31 by William Laakkonen
... g-eda wrong all these years. I did not realize I could run em together to make a word. Good interview- I forwarded it to a friend who is presently using
Re: DJ Delorie interview about GEDA on EEVblog
2010-10-30 by Andrew
... Don t know, but I enjoyed the interview!
Re: [Homebrew_PCBs] PCB software
2010-10-30 by Howard Chester
... From: DJ Delorie Subject: Re: [Homebrew_PCBs] PCB software To: Homebrew_PCBs@yahoogroups.com Date: Friday, 29 October, 2010, 14:42 ...
Re: [Homebrew_PCBs] PCB software
2010-10-29 by DJ Delorie
... There are a couple of open source packages, I use (and develop) gEDA/PCB. When people complain about the limited library, I point out that no matter how
PCB software
2010-10-29 by Howard Chester
Hello First L, Diptrace schm & PCB package has the MAX668 in all packages. The free version has a limit of 300 pins (no other limits such as time etc.),
Re: [Homebrew_PCBs] PCB software
2010-10-29 by Paul Mateer
Use ExpressPCB and lust make it. I thought most if not all pcb packages let you build a part. I know old orcad does did ... -- Paul Mateer, AA9GG Elan
PCB software
2010-10-29 by First L
I have an annoying problem. I need to make a board using a MAX668eub chip or an LM5118. I have a slight preference for the max668. I cannot find a software
Re: [Homebrew_PCBs] Re: Direct Laser Printing
2010-10-28 by Mark Lerman
Tim, See the files section for this group. Pictures are at . Note however, that there are much simpler mods that others have
Re: [Homebrew_PCBs] DJ Delorie interview about GEDA on EEVblog
2010-10-28 by Piers Goodhew
... I don t know ;-) PG
Re: Direct Laser Printing
2010-10-28 by Tim S
Mark, The exercise to convert the old LJII to a toner fuser is an intermediate step for me. I can print the artwork on photopaper and get good boards, but the
Re: [Homebrew_PCBs] DJ Delorie interview about GEDA on EEVblog
2010-10-28 by DJ Delorie
... Do I really sound like that?
Re: PCB Troubles
2010-10-28 by J
I use this method extensively and have had very good luck even to printing lines and spacings less than 10 mils. The secret is clean clean clean the board..