Re: [Homebrew_PCBs] More about non-$500 UV
2005-11-18 by Stefan Trethan
... Alan, you must consider some of us don t charge for work on our own projects ;-) I for one much prefer working for myself than working for someone else
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Re: [Homebrew_PCBs] transfer paper
2005-11-18 by Stefan Trethan
On Fri, 18 Nov 2005 01:57:00 +0100, Alvin Rose ... There is a database section on the group homepage, containing a spreadsheet of
Re: [Homebrew_PCBs] More about non-$500 UV
2005-11-18 by Stefan Trethan
On Fri, 18 Nov 2005 01:40:03 +0100, Russell Shaw ... I m with you there. If they d make them for free i would still make my own
Re: [Homebrew_PCBs] SMT resistor vias
2005-11-18 by David Griffith
... I ve never heard of round SMT resistors... Try this: Obtain bare wire of the same size as the via holes and about half a foot long. Insert the end into a
Re: [Homebrew_PCBs] More about non-$500 UV
2005-11-18 by Russell Shaw
... If i save 2 weeks (it s usually more than that) on an item that s made in a product to a total value of $100k/month, i ve moved the income stream closer by
RE: [Homebrew_PCBs] Fuser advice
2005-11-18 by John Craddock
Hi Morris, What is the catalogue number of the paper you get from Officeworks? Thanks Regards John C Brisbane, Oz
SMT resistor vias
2005-11-18 by Alan King
Something mentioned on one of the boards, maybe old hat but hadn t seen it here in any of the thru hole discussions and it made a lot of sense.. Use via pads
Re: [Homebrew_PCBs] Fuser advice
2005-11-18 by Alan King
... That part is easy, hottest you can find. Probably at least ten times the thermal mass to heat up with a copper board. Check the 120V current rating on
Re: [Homebrew_PCBs] More about non-$500 UV
2005-11-18 by Alan King
... Great, guess what, your special need for immediate boards was already excepted in my original message with Still ok if you just have to have an instant
Re: [Homebrew_PCBs] PCB Software?
2005-11-18 by Dave Hylands
... For simple stuff, I like TinyCAD. Currently my use of Eagle is sporadic enough that I have to keep relearning it. TinyCAD I can pick up and use.
Re: [Homebrew_PCBs] More about non-$500 UV
2005-11-18 by Russell Shaw
... That means i have to find something else to do while the client waits because of ones laziness to do it themself. ... I d still be in front compared to
Re: [Homebrew_PCBs] PCB Software?
2005-11-18 by Jim Miller
thanks all i ll give eagle a try. jim
Re: [Homebrew_PCBs] More about non-$500 UV
2005-11-18 by Alan King
... Hey, if you need that, then knock yourself out. I can generally remember exactly what I was doing a week or two later, and don t have the slightest
Re: [Homebrew_PCBs] PCB Software?
2005-11-18 by Alan King
... Eagle is excellent for free, hard to imagine much of anything surpassing it. There s a reason so many people use it.. Start with the tutorial and go
Fuser advice
2005-11-18 by Morris Odell
Hi all, I m new to this group and have been lurking for a week or two. It s a great source of information. I ve been making my own PCBs for many years and have
Re: [Homebrew_PCBs] PCB Software?
2005-11-18 by David Griffith
... See gEDA at http://geda.seul.org/ -- David Griffith dgriffi@cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is
Re: PCB Software?
2005-11-18 by adicont2
I use DipTrace, the free version. There is some limitation, but for my needs is OK. Take a look at http://www.diptrace.com/download.php Adrian ... software but
transfer paper
2005-11-18 by Alvin Rose
What has been found to be the best paper to use for toner transfer to circuit boards. I have press and peel but it is expensive. Someone mentioned a paper from
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-18 by Russell Shaw
... If you haven t developed it, you can expose it more if you align the printout again with what you can see on the resist. ... Not after developing. However,
Re: [Homebrew_PCBs] Re: Not anything to do with exposure boxes whatever !
2005-11-18 by Mike Young
... From: lcdpublishing To: Sent: Thursday, November 17, 2005 10:58 AM Subject: [Homebrew_PCBs] Re:
Re: [Homebrew_PCBs] More about non-$500 UV
2005-11-18 by Russell Shaw
... Even if they gave the boards to me for free, it s still much more expensive than doing it myself. If i design a pcb, i can build it in an hour keeping my
Re: [Homebrew_PCBs] PCB Software?
2005-11-17 by Alberto Gómez
Jim, I ve tried Eagle and its pretty easy once you get the hang of it. I am no expert, but it was the first one I tried so I guess if I can do it anyone can. I
PCB Software?
2005-11-17 by Jim Miller
I m getting ready to download Eagle. I ve used the ExpressPCB software but never had a board built by them...project died. I understand there are some
Re: [Homebrew_PCBs] Re: DIY PCBs working for me
2005-11-17 by Alan King
... The sticker like things are dry transfer, not press n peel, so maybe you re mixing the two. Never seen PnP at Rat Shack, but haven t been there much
Re: [Homebrew_PCBs] More about non-$500 UV
2005-11-17 by Stefan Trethan
... I think it comes from CNC. It is about as silly as silkscreen for component legend, i don t like it either. You considered olimex? ST
Re: [Homebrew_PCBs] Not anything to do with exposure boxes whatever !
2005-11-17 by Stefan Trethan
I agree on the space. If you put the ground too close to pads it can make soldering harder, as it easily bridges the gap. I think i ve 0.3mm default in my
Re: [Homebrew_PCBs] DIY PCBs working for me
2005-11-17 by Stefan Trethan
... I ve never used PnP, but i strongly doubt it can increase the resolution. My experiments have shown that you can make traces down to 6.66 mil reliably with
Re: [Homebrew_PCBs] More about non-$500 UV
2005-11-17 by Alan King
... http://www.pcbex.com/ https://maxima5.abac.com/pcbex/product_index.asp http://www.pcbex.com/product_help.asp But some hinges on their We do not
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by Jim Miller
just got back from office depot with some of their house brand inkjet transparency material. also got some translucent vellum used for making fancy greeting
Re: DIY PCBs working for me
2005-11-17 by lcdpublishing
Hi John, sounds like our processes are very similar! I have been trying different papers around the house and office and most seem to work. Don t use my
Re: [Homebrew_PCBs] More about non-$500 UV
2005-11-17 by David P Harris
... Can you be a bit more specific about this? David
More about non-$500 UV
2005-11-17 by Alan King
... Heard that. Part of the reason I ve dropped in and out of the discussions lately has been working on more important things. Especially now with PCBEx
Re: [Homebrew_PCBs] Not anything to do with exposure boxes whatever !
2005-11-17 by Alan King
... The real reason to do it isn t cost. Copper is a moderate poison, better for it to sit on a board where it does relatively little harm than have more back
UV versus TT ( was A $500.00 "UV" non-trivial exposure box.....)
2005-11-17 by cristian
Could you accept to change the subject?
Re: [Homebrew_PCBs] Not anything to do with exposure boxes whatever !
2005-11-17 by Stefan Trethan
I sometimes make a copper pour, but i m not very fond of orphaned areas enclosed by tracks, and deleting them makes the board look very strange with copper
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by Stefan Trethan
It usually doesn t go wrong once you figured out how to do it, but the same is the case with TT, i very rarely have a bad transfer. With my photoboards the
Re: [Homebrew_PCBs] Not anything to do with exposure boxes whatever !
2005-11-17 by Les Newell
I agree. Try to keep all of them connected to ground. I usually cheat when laying out a board and don t bother with the grounds until I am nearly finished. I
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by Les Newell
Hmm, that sounds like a good idea. I must give it a go. Thanks, Les ... -- No virus found in this outgoing message. Checked by AVG Free Edition. Version:
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by Les Newell
Hi Jim, Actually it is Office Depot stuff :-) Transparencies are often used on overhead projectors so any decent stationery supplier should stock it. You must
Re: Not anything to do with exposure boxes whatever !
2005-11-17 by lcdpublishing
HI CHris, I just learned that trick with my software about 2 weeks ago and have been doing it every chance I get - that is a good tip! Chris ... do ... except
Not anything to do with exposure boxes whatever !
2005-11-17 by Chris Horne
On a different subject entirely, I am 100% happy with press-n-peel but there again I don t have to do any super fine work. I gave up UV exposure several years
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by Leon Heller
... From: lcdpublishing To: Sent: Thursday, November 17, 2005 3:55 PM Subject: [Homebrew_PCBs] Re:
Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by lcdpublishing
ANother thought I had about using the photo-resist boards was the potential for another problem that I don t know if there is a work around or not. If you
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by Leon Heller
... From: Jim Miller To: Sent: Thursday, November 17, 2005 12:46 PM Subject: Re: [Homebrew_PCBs] Re: A
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by Jim Miller
i m a complete newbie to this. what transparencies would you suggest? are there pcb specific ones? what are sources in the US? i assume this isn t office depot
DIY PCBs working for me
2005-11-17 by whoop@blueyonder.co.uk
Greetings from the UK. I joined this group a week or so ago. So I am new to all this. I have just used the toner method and it seems to work fine for me. I am
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by Stefan Trethan
You guessed right, relatively thin cardboard. maybe 0.5mm. Like the big parts of cornflakes boxes. Again, the procedure: You cut your layout pretty close to
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by guja
Is there anyone going to change the subject line? tnx Stefan Trethan wrote: On Thu, 17 Nov 2005 02:49:28 +0100, derekhawkins ... YES!
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by Stefan Trethan
On Thu, 17 Nov 2005 02:49:28 +0100, derekhawkins ... YES! ;-)
Re: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....
2005-11-17 by Stefan Trethan
On Thu, 17 Nov 2005 00:34:14 +0100, Mike Young ... It s not grey, but the white clay on the paper and the black toner make the residue