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Messages 22444 - 22482 of 23866   Oldest  |  < Older  |  Newer >  |  Newest
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22444
Rats. Another great idea ruined by the inconvenient fact that someone else got there first. Sigh. In addition to the world arranging itself to meet my needs, I...
awakephd
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Apr 1, 2009
2:15 pm
22445
Thanks, DJ -- I had noticed that, and should have mentioned it as one of the variables in the pricing equation. The real sticking point for me in going with...
awakephd
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Apr 1, 2009
2:24 pm
22446
Yep. ... but the ideas are still out there. I still think there is a market for a Mr.Fusion! (ref: http://www.imdb.com/title/tt0088763/ ) [Non-text portions...
Jack Coats
jcoats
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Apr 1, 2009
2:58 pm
22447
What I do is keep a list of what I want from each supplier. In my case, it's a spreadsheet that adds up the costs and adds shipping. When it gets to be enough...
DJ Delorie
djdelorie
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Apr 1, 2009
3:00 pm
22448
Today's project was to see if I could cut v-scoring with a table saw. I found an old steel plywood blade (no carbide to break off, lots of teeth) and reground...
DJ Delorie
djdelorie
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Apr 1, 2009
7:31 pm
22449
On Wed, 1 Apr 2009 15:30:42 -0400, you wrote: If you do get a metal shear, wait until the big one is on sale, if that's what you want. Overpriced otherwise....
Harvey White
madyn48
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Apr 1, 2009
7:39 pm
22450
... I've got a full woodshop already, including an 8" long bed jointer, so I'm already prepared for those types of issues. I was thinking of this model:...
DJ Delorie
djdelorie
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Apr 1, 2009
8:03 pm
22451
Is the purpose of the shear to cut PCB's? It's instruction manual says it will shear up to 20ga metal, which is 0.035in. Seems that if I were to get a shear...
Steve
jon1dave3
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Apr 2, 2009
1:15 am
22452
What thickness of board are you talking about? I have great success cutting 1/32 board with a carbide scoring tool from Home DEpot ($7)! I use a good quality...
michael tenore
WB2LCW
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Apr 2, 2009
1:55 am
22453
... Yes. ... On other shears, they break the max thickness down by type - steel, copper, aluminum. Softer metals allow a thicker piece. One would assume that...
DJ Delorie
djdelorie
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Apr 2, 2009
2:28 am
22454
... Fiberglass is softer than metal, but you do have to be careful since the glass fibers are tough to cut through. I do know that mine (the 30 inch model) is...
Harvey White
madyn48
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Apr 2, 2009
2:40 am
22455
Eh, ideas are cheap. No-one has done it before because it's too hard to do. It's a lot of work even to do it with a few suppliers and a few hundred parts,...
Tony Smith
dropcat2001
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Apr 2, 2009
2:56 pm
22456
Folks, I am looking at making the Easy Nixie clock here - http://elbastl.sweb.cz/clock.htm The PCB design is provided as a 600 dpi gif image. gimp says the...
gnuvvekaavaali
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Apr 3, 2009
3:37 pm
22457
In gimp, Image->Print Size, and set the resolution to 600 dpi. Then, when you print, make sure the "image size" scrollbar at the bottom of the print dialog is...
DJ Delorie
djdelorie
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Apr 3, 2009
5:01 pm
22458
... That did the trick!! Thanks much. - GK...
gnuvvekaavaali
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Apr 3, 2009
7:15 pm
22459
Hi all, Just convinced my local PCB manufacturer to sell me a couple of sheets of Pyralux, so I'm going to try making my first flexible PCB. I usually start...
thebrit49
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Apr 3, 2009
7:57 pm
22460
... Sheet metal shears are the only way to go! I tried scoring, hacksaws, drilling perf holes, even heavy paper guillotines (which despite what I read on...
thebrit49
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Apr 3, 2009
7:57 pm
22461
... I usually save the GIF file, drop it into PowerPoint or similar, then re-size. I just tried it with the GIF you mentioned at it worked just fine. TheBrit49...
thebrit49
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Apr 3, 2009
7:58 pm
22462
I agree. Any type of shear (even handheld tinsnips) have worked better for me than most saws. A fine toothed carbide blade in a circular saw will make the...
Stefan Trethan
stefan_trethan
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Apr 3, 2009
9:08 pm
22463
I have a problem with SMT chips jumping off the board during reflow. I preheat for 2.5 minutes 1/4" above the hot plate and then reflow 1.5 minutes directly on...
Jim Lewis
jimdlewis
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Apr 3, 2009
11:12 pm
22464
... in the tile department of Home Depot, there is a carbide scoring tool for scoring and breaking tile backer-board. it's about 6-7$ if that's the one you're...
William Alford
william35453
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Apr 4, 2009
1:10 am
22465
If you are in the USA, you could put in for a stimulus grant for additional gravity in the area of your hot plate :) Otherwise, I'd look at the preheat....
Donald H Locker
dhlocker
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Apr 4, 2009
2:22 am
22466
Yes thats the one! Mine has a red handle1 73 Mike ________________________________ From: William Alford <walford@...> To: Homebrew_PCBs@yahoogroups.com ...
michael tenore
WB2LCW
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Apr 4, 2009
3:48 am
22467
What I do (which probably isn't best) is to put the board on a cold hotplate, then turn the hotplate on. It takes about 3 minutes to heat up to soldering...
DJ Delorie
djdelorie
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Apr 4, 2009
4:06 am
22468
... Sounds like popcorning. It could be moisture in the chips or in the solderpaste. If the moisture is in the chips, you could try warming them at around 150F...
javaguy11111
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Apr 4, 2009
5:10 am
22469
... From: "Jim Lewis" <jim.lewis@...> To: <Homebrew_PCBs@yahoogroups.com> Sent: Saturday, April 04, 2009 12:12 AM Subject: [Homebrew_PCBs] Jumping chips...
leon Heller
leon_heller
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Apr 4, 2009
5:14 am
22470
Try using an IR heat lamp like for keeping plants or reptiles warm on the top. You need to thoroughly heat all of the parts and make sure the flux is hot...
Erik Knise
elknise
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Apr 4, 2009
5:46 am
22471
Thanks for all the tips. I pretty sure it's moisture in the paste. And it was much worse on a high-humidity day but not sure if that was a coincidence. Has...
Jim Lewis
jimdlewis
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Apr 4, 2009
12:05 pm
22480
... Don't have powerpoint, but it may be a good idea for those having it. I am on Linux, so DJ's gimp settings worked well for me. Thx - GK...
gnuvvekaavaali
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Apr 6, 2009
6:36 am
22482
Hi gnuvve, If your on linux, there is a no-cost alternative to Microsoft office, it is called Openoffice and can be downloaded from www.openoffice.org. It is a...
serge.vereecke
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Apr 6, 2009
9:29 am
Messages 22444 - 22482 of 23866   Oldest  |  < Older  |  Newer >  |  Newest
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