Re: [Homebrew_PCBs] Re: DLP update
2010-05-14 by Andrew Villeneuve
The theory is sound, but I believe you re going to have to improve upon the alignment accuracy that was originally in the printer to make usable double-sided
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The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by alienrelics
... I agree. Although the Massmind site may not be perfect, if people don t like it, offer to help! Steve Greenfield listowner Homebrew_PCBs
The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by jamesmichaelnewton
... You have combined two areas of complaint and so avoided both objections I raised about those complaints. You said the topics were poorly named, then later
Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by Leon Heller
... Sorry, I meant CEM-1. It s a compressed paper/fibreglass composite. The fibreglass is very thin, making it very easy to cut and drill. Mega Electronics
Re: [Homebrew_PCBs] Re: Old GL FeCl -very slow etching copper
2010-05-14 by Hector Garcia
Hi. You can use those 3% bottles. Left the mix to settle for -at least - 1 day. Also, don t forget to keep all that dark brown deposits in the liquid. They re
Re: Old GL FeCl -very slow etching copper
2010-05-14 by Dave_s
PC Board group and DJ Delorie dj@delorie.com Thank you for
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by Piers Goodhew
The thing about wikis is that, while they arguably turn you into a feeble-minded user who couldn t set the right DOCTYPE to save their life, they free you up
Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by Eddie Stassen
... Pardon my ignorance, but what is FEC-1? I suspect phenolic, although soft, may have problems with cracking/chipping.
Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by Leon Heller
... That s what I do, as well. I put it in a vice to snap it, and I get quite a clean break. It only needs a bit of cleaning up with a file. It s tough stuff,
Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by Eddie Stassen
I use standard FR4 0.8 or 1.6mm s/s and d/s. I tend to apply a lot of pressure and make 3 or 4 passes so I am through the copper and well into the board. On
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by Stefan Trethan
Harvey, You should check again, we are not discussing this group, instead , made by James Newton. This group is
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by Harvey & Betty McRae
I am a relatively new member.. I have enjoyed this site a great amount. I looked at another site, and I did not feel it was what I was wanting. I made a
Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by Stefan Trethan
Same here. I always thought they might use different PCB material than I tried. Also there is the question about how deep one needs to score the boards? ST On
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by Stefan Trethan
On Thu, May 13, 2010 at 10:49 PM, jamesmichaelnewton ... One example, Holes. If you click the holes or drill holes you get the same scattered comments
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-14 by Kerry Wentworth
... Amazing, isn t it? You make Strawberry Shortcake for everybody, and people complain that you used frozen strawberries. Well, I appreciate your efforts.
Re: [Homebrew_PCBs] Old GL FeCl -very slow etching copper
2010-05-13 by DJ Delorie
FeCl would normally be a light or dark tan color. Black or green means it s spent. The cheapest thing to try is to add some hydrogen peroxide to it, which
Re: [Homebrew_PCBs] Re: Printing on a solder mask
2010-05-13 by Tolga Abaci
I ve never tried ramping the temperature that high, since I always solder manually. I remember seeing this paint burn (to a darkish brown color) too, but I do
Re: [Homebrew_PCBs] Re: Printing on a solder mask
2010-05-13 by Jack@coats.org
Here are a few suggestions... Let us know what worked for you!
Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by Harvey & Betty McRae
I have tried the scoring method, but I must be doing something wrong, as mine always break back under the copper cladding. ... From: Eddie Stassen
Re: [Homebrew_PCBs] DLP update
2010-05-13 by Jim
Hello Mark I have purchased an E260D printer ... I don t yet have an isolated CLEAN workbench that I can give to this project but I have disassembled the
The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by jamesmichaelnewton
... This is exactly the sort of criticism that makes me nuts. Go look at http://techref.massmind.org/techref/pcbs.htm and then tell me what structure there
Re: [Homebrew_PCBs] Re: Printing on a solder mask
2010-05-13 by R. Ian Lee
Anyone know of a cheap way to make an airbrush? Try in the toy dept at Walmart or other craft store that has modelling supplies. You can get a cheap
Re: [Homebrew_PCBs] Re: DLP update
2010-05-13 by Mark Lerman
I have the theory for ds worked out, but I haven t implemented it. The X axis is fixed by the paper guide, but will probably need to be changed to something
Re: [Homebrew_PCBs] DLP update
2010-05-13 by Mark Lerman
Took me about a week to do the documentation, but I ve been playing with DLP for over a year, though I didn t get serious till 2-3 months ago. Mark
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by Jack@coats.org
The good thing with a wiki is that we should be able to have many folks support it, so the entire maintenance task doesn t have to go all on one persons
Re: Printing on a solder mask
2010-05-13 by micro_minded
Have you tried ramping up the temp to 220C to see if the paint can withstand reflow temperatures? I have moved away from PTH design and onto SMT only and have
Re: [Homebrew_PCBs] Old GL FeCl -very slow etching copper
2010-05-13 by Malcolm Parker-Lisberg
Look up Edinburg etch on google or: and
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by Sebastien Bailard
Hmmm ... you re welcome to use the RepRap wiki for all of that stuff. It s more fun that way. :) -Sebastien
Re: DLP update
2010-05-13 by sailingto
That sure looks GOOD!!! If my Toner Transfer wasn t working so good I d sure be looking at your process - Didn t you say you are still working on getting
Old GL FeCl -very slow etching copper
2010-05-13 by w6mikk
I am trying to etch a small pcboard made using toner transfer. Am applying FeCl with a sponge by hand. Never completes etching, after many hours, result is
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by Stefan Trethan
I think there are many good ideas in there. I d like to put my notes about toner transfer (especially creating a laminator from used printer parts) and
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by Jack@coats.org
A FAQ should, IMHO, have some semblance of order. Let me suggest... Intro: A quick overview of what/why/where/who/when we like/use homebrewed PCBs. Also, where
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by Derward Myrick
I do not make many comments on anyones reply but this one I Feel that I must. I do not think that any one put a gun to your head and made you look at his
The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by mcjonster
As I mentioned Google sites has a free wiki template that is very easy to edit and free hosting intended just for this sort of situation:
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by Stefan Trethan
I like simple HTML websites. I understand the concept of ads and accept them as a way to keep free information online. You have paid me personally a nice sum
Re: [Homebrew_PCBs] DLP update
2010-05-13 by Erik Knise
Wow, great job mark. How long did this take you? ... -- Erik L. Knise Pacific Shipping Company Seattle, WA [Non-text portions of this message have been
[Homebrew_PCBs] DLP update
2010-05-13 by Mark Lerman
I have posted the final pictures of the process, including a photo of the first board run through the converted printer. If anyone is pursuing this technique,
The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by jamesmichaelnewton
... Seriously? It s more important to you that the site be pretty than that it have relevant content? wow... whatever... ... The reason why that site has ads
Re: [Homebrew_PCBs] Re: Printing on a solder mask
2010-05-13 by Tolga Abaci
I am not sure if the paint would work in an inkjet head. It is water-based, I guess that s good. On the other hand, it s quite thick. Maybe if it s thinned
Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by Eddie Stassen
... Agreed, you would either have to cut a 2x8 inch strip off first (which is what I would nornally do), or otherwise cut a 2 inch notch first with some other
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by John McCormick
Ya I agree no offense but that massmind website is terrible. There s a million poorly placed ads on it and is f-ugly... Google Sites has free wiki
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-13 by Piers Goodhew
I did look at the massmind site earlier. It didn t seem to have a lot of wiki things that I m used to like auto links, tables of contents, nice clean syntax to
Re: Printing on a solder mask
2010-05-12 by micro_minded
Amazing work you have done, got me lookin for some of this glass paint. Turns out I can get any color they make in a 45ml jar for $5 at a local framing and art
The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-12 by James
... There s so many methods that work with no clear winner as to what is best . The important part is that you get acceptable boards. I experimented over time
Re: Best Way to Cut PCB
2010-05-12 by Frank P
Eddie, Scoring sounds easy but if you re trying to cut a 2 by 3 inch piece from a 8 by 10, I would think the corners might create some difficulties. This guy
The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-12 by jamesmichaelnewton
... I experienced the same thing when I started reading! I couldn t keep all the different ideas straight in my head so I started building a wiki to organize
Re: Lack of a FAQ
2010-05-12 by sailingto
Steve, I did not know who was the list owner, but please allow me to say THANK YOU for the list. This is a very good group of folks with LOTS of knowledge who
Re: Printing on a solder mask
2010-05-12 by sailingto
... This is getting off topic of solder mask: After posting and thinking on it some I had come up with the same idea - do a light TT then drill thru that,
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-12 by Andrew Villeneuve
I agree, and I like that about this group. There s plenty of advise, but nobody assumes you re doing it wrong if you re not using their method. -Andrew ...
Lack of a FAQ
2010-05-12 by alienrelics
... Yes, that is it very much. Also, no one has volunteered... I admin about two dozen Yahoogroups, answer questions on Yahoo Answers, act as PR/Cruise