Re: Free PCB software
2008-02-19 by Steve
Don t forget to check the Links section, under PCB_Schematic_CAD_Programs Steve Greenfield
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Re: [Homebrew_PCBs] Free PCB software
2008-02-19 by Brian Gracia
Try www.freepcb.com There are several addons so look for them, such as an online router. Brian G.
Re: [Homebrew_PCBs] Re: Exposing Photoresist and Some Boards I have built
2008-02-19 by lists
In article , ... I often use it when I take a bath, it prevents the scummy tidemark! Usually I shower.
Re: [Homebrew_PCBs] Re: Free PCB software
2008-02-19 by Myc Holmes
Check out Diptrace. www.diptrace.com The free version is only limited by the number of pins (250) and the number of layers (2). any size board can be made,
Re: [Homebrew_PCBs] Re: Exposing Photoresist and Some Boards I have built
2008-02-19 by Derryck Croker
... Sodium Carbonate Decahydrate on sale in the local Sainsbury s supermarket - Washing Soda . I use it to soften the water a little, = less soap powder. --
Re: Free PCB software
2008-02-19 by logicresearch
Speaking of Express PCB, is there am extemded library of part for this or do things like traics need to be made up? Daryl. ... seems to be
Re: [Homebrew_PCBs] Free PCB software
2008-02-19 by Mike
Express PCB ... 73, Mike, K4GMH [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Re: Sodium Carbonate!
2008-02-19 by Adam Seychell
... Alternatively, take some sodium bicarbonate from your kitchen pantry, place in a dry cooking pot and heat on the stove 200 deg C, to get your sodium
Re: [Homebrew_PCBs] Re: Sodium Carbonate!
2008-02-19 by Adam Seychell
... Correct. ... Is that a positive (exposed areas wash away in developer) resit ? The negative dry film resist must be developed in Na2CO3 and should be
Re: [Homebrew_PCBs] Re: Exposing Photoresist and Some Boards I have built
2008-02-19 by Larry Geib
Are you in the US? Arm and Hammer still sells it. It s in my local Safeway in the detergent aisle. Larry
Re: [Homebrew_PCBs] Re: Softening solder paste
2008-02-18 by Bill Maxwell
Come to think of it, Electrolube s Isopropanol is what I use to clean off the boards after soldering, so I should have recognised the smell and thereby,the
Re: Sodium Carbonate!
2008-02-18 by Andrew
... Does this dry film resist people are playing with not develop under sodium silicate? The pre-sensitised boards I use prefer sodium silicate over other
Re: UV LCD exposure
2008-02-18 by Andrew
... What monitor do you have there? The finest dot pitch LCD I have around here (exluding
Re: [Homebrew_PCBs] Re: Exposing Photoresist and Some Boards I have built
2008-02-18 by Philip Pemberton
... So I ve been told... I ve been trying to track some down for ages (it s apparently good for neutralising ferric chloride), but nobody seems to sell it any
Re: UV LCD exposure
2008-02-18 by Dave Miller
... disassembling ... I can ... of ... just ... it for ... I wondered about that as well, however in their efforts to make every thing thin and light, the
Re: [Homebrew_PCBs] UV LCD exposure
2008-02-18 by Dylan Smith
... I doubt it would work - the LCD would expose a grid onto your light sensitive material (look at your LCD monitor closely - it s a grid of pixels - positive
Re: Sodium Carbonate!
2008-02-18 by Bruno M.
Besides kitchen salt there is no more common and cheap chemical then Sodium Carbonate. See also http://en.wikipedia.org/wiki/Sodium_carbonate But if
Re: Sodium Carbonate!
2008-02-18 by D
... It s even easier to get than that. Just go to the grocery and buy a box of washing soda (usually produced by Arm & Hammer here) [1]. Also, there s a way
Re: [Homebrew_PCBs] UV LCD exposure
2008-02-18 by Leslie Newell
That one has occurred to me before. I even got as far as disassembling an old black and white laptop to investigate. The biggest problem I can see is the
UV LCD exposure
2008-02-18 by Dave Miller
Does any one know if LCDs are transparent to UV? Would it be possible to replace the backlight on a LCD display (like a LCD computer monitor) and do a contact
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Dylan Smith
... There s more than 50,000 types of IC around :-) Bet Diptrace doesn t have the Wiznet W5100 in its library, for example. Sooner or later, you re going to
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Leon
... From: Markus Zingg To: Sent: Monday, February 18, 2008 3:43 PM Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Myc Holmes
I m curious, what functionality is DIPTRACE missing? The ULP s ? Those were a user fix for missing functionality in EAGLE. Myc ... [Non-text portions of this
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Markus Zingg
DipTrace might be a nice package - I see that the developpers seem motivated and improve it constantly which is a good thing. However, I tried it out myself,
Free PCB software
2008-02-18 by Chuck Kelsey
Regarding any of the free PCB design software out there, what seems to be the favorite? Chuck WB2EDV
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Myc Holmes
If any Diptrace user wants a copy of my toner transfer pads library. Email me Mycroft2152y at gmail.com Note to Stefan: Diptrace will import Eagle files and
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Derryck Croker
... Pre-made library parts have pads that are too small to be easily used at home in my experience, so you re often better to make your own. -- Cheers Derryck
Re: [Homebrew_PCBs] Re: Softening solder paste
2008-02-18 by Stefan Trethan
I know, and i didn t buy it at a drug store as rubbing alcohol, but i still don t trust it. Maybe someone else will try, i d like to know something that
Re: [Homebrew_PCBs] Re: Softening solder paste
2008-02-18 by Leon
... From: Myc Holmes To: Sent: Monday, February 18, 2008 1:34 PM Subject: Re: [Homebrew_PCBs] Re:
Re: [Homebrew_PCBs] Re: Softening solder paste
2008-02-18 by Myc Holmes
Most Isopropanol that you buy in a drug store is 70%, the rest water. Check with the pharmasist, he/she may have some 90%. In a last resort, you can purchase
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Stefan Trethan
Leon, thank you for that idea! I will cite helth reasons for refusing to use eagle. (Sanity falls under health too, doesn t it?) ST
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Leon
... From: Stefan Trethan To: Sent: Monday, February 18, 2008 9:48 AM Subject: Re: [Homebrew_PCBs] Re:
Sodium Carbonate!
2008-02-18 by don2822003
Hi all, Sodium Carbonate is sold quite cheaply as a swimming pool additive to raise pH in swimming pool water, also known as Soda Ash. The mixture I use is 7
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Stefan Trethan
... Yes, but that s hardly changing it in the layout ;-) Sometimes it makes sense to change one or a few pads like in a special area, where there is not enough
RE: [Homebrew_PCBs] GBC H210 laminator for $40 after rebate at Staples this weekend
2008-02-18 by Mark Mickelsen
Hi Dave, Okay, I found the add in the paper and tomorrow I m going to Staples to see if they ve got any left. In the meantime, has anybody tried this
Re: [Homebrew_PCBs] Re: Softening solder paste
2008-02-18 by Stefan Trethan
Well i tried IPA and it popped the components off. But IPA is notorious for containing water, so maybe that s the culprit. ST
Re: Softening solder paste
2008-02-18 by michael_haberler
... I ve read up the safety description of the SMF12P Flux Pen - see http://www.farnell.com/datasheets/60861.pdf . It lists Propan-2-ol (Isopropanol) - should
Australia NSW Wave soldering machine on ebay $300
2008-02-18 by James Bishop
There s one of these on ebay ending soon.. Seems like a bargain at $300 (if you ve got the means to transport it!) includes solder. Can t post a link now but
Re: UV laser diode replacing laser diode in a laser printer?
2008-02-18 by garydeal
... Yeah, generally CDR = IR, DVDR = both IR and Visible red, in two separate diodes, Blu-Ray = red and violet in the same component. - Insert laser safety
Re: [Homebrew_PCBs] Softening solder paste
2008-02-18 by Bill Maxwell
I have had great results using a Flux Pen, type SMF12P, manufactured by Electrolube, to soften dried out solder paste, Marko. It would be useful to know just
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Harvey White
... Actually, and in an odd sense, it does. If you go into the library of that part, and change the pad diameter, then save the library, do a library update,
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-18 by Harvey White
On Sun, 17 Feb 2008 19:28:34 -0000, you wrote: When the part you want is not in the library. Happens frequently in Eagle. Harvey
Re: [Homebrew_PCBs] Exposing Photoresist and Some Boards I have built
2008-02-18 by Russell Shaw
... SodiumBiCarbonate (NaHCO3) is actually sodium-hydrogen carbonate because one sodium (Na) is replaced with a hydrogen. Sodium Carbonate is Na2CO3.
Re: [Homebrew_PCBs] GBC H210 laminator for $40 after rebate at Staples this weekend
2008-02-17 by agscal -AGSCalabrese
Good tip , Dave Maybe it can be modified to optionally expose photo-resist as a board passes through. Heat turned off. Gus ... [Non-text portions of this
Re: [Homebrew_PCBs] Re: Exposing Photoresist and Some Boards I have built
2008-02-17 by Leon
... From: Myc Holmes To: Sent: Sunday, February 17, 2008 9:51 PM Subject: Re: [Homebrew_PCBs] Re:
Re: Exposing Photoresist and Some Boards I have built
2008-02-17 by javaguy11111
You are correct that sodium carbonate and sodium bicarbonate are different. Fortunately where I live is semi-rural and a small grocery store did carry it. I am
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-17 by DJ Delorie
... It works both ways. I have a set of footprints I use for home-brew that have SMALLER smt pads than the professional size, because I know how my system
Re: [Homebrew_PCBs] Re: Exposing Photoresist and Some Boards I have built
2008-02-17 by Myc Holmes
I thought the picture of the box was a little confusing, I had nver seen Washing Soda in the stores. They are totally different chemicals. Sodium Carbonate
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-17 by Leon
... From: Chuck Kelsey To: Sent: Sunday, February 17, 2008 9:18 PM Subject: Re: [Homebrew_PCBs] Re:
Re: [Homebrew_PCBs] Re: DipTrace
2008-02-17 by Stefan Trethan
With a library part meant for PTH a hole might have a 8 or 10 mil ring around it. If you want a structurally sound pad i would use about 1mm ring around the