Perfection at last!
2005-07-14 by Philip Pemberton
Hi folks, I think I ve finally perfected my toner-transfer method. I ve just done a double-sided PCB - no faults, except for the broken track I had to
Messages
Browse messages
Page 514 of 707 · 35337 messages matched
Re: [Homebrew_PCBs] Re: Another rookie starts a high volume pcb project.
2005-07-14 by Stefan Trethan
On Thu, 14 Jul 2005 17:15:59 +0200, Mike Phillips ... You could measure the strength of the acid but i m pretty sure it will work. It s
Re: Another rookie starts a high volume pcb project.
2005-07-14 by Mike Phillips
The reson my pcb has no ground plane is because I initially was going the cnc route. But have been thinking that cnc may not be worth it labor wise compared to
Re: Another rookie starts a high volume pcb project.
2005-07-14 by Mike Phillips
I should have some time today to get copper clad board from Halted. Has anyone tried using copper pot and pan paste for cleaning bare copper? I wonder how that
Re: [Homebrew_PCBs] Re: Another rookie starts a high volume pcb project.
2005-07-14 by Stefan Trethan
... I agree, reasonably thin looks better. I also make groud planes, but i always wondered about islands. You say you don t leave the copper there, which i
Re: Another rookie starts a high volume pcb project.
2005-07-14 by Phil
I m not sure how you got hung up out of my comments. Maybe you got confused - I m not the OP. However, I wouldn t focus on using fat traces for avoiding
Re: [Homebrew_PCBs] Re: Another rookie starts a high volume pcb project.
2005-07-14 by Stefan Trethan
On Thu, 14 Jul 2005 02:47:30 +0200, Mike Phillips ... nah you can make 8 mil if it really must be, but wider is certainly more
Re: [Homebrew_PCBs] Re: Another rookie starts a high volume pcb project.
2005-07-14 by Stefan Trethan
On Thu, 14 Jul 2005 00:04:16 +0200, Mike Phillips ... That s what i d do. ST
Re: Another rookie starts a high volume pcb project.
2005-07-14 by Mike Phillips
I posted a panel of the pcb for my truck project. It s in the folder labeled Mikep_95133 s. Glad to know that 12 mil is not so bad. Mike
Re: [Homebrew_PCBs] saving FeCl3 solution
2005-07-14 by Leon Heller
... From: microsoftwarecontrol To: Sent: Thursday, July 14, 2005 12:55 AM Subject:
Re: [Homebrew_PCBs] Re: Another rookie starts a high volume pcb project.
2005-07-14 by Mycroft2152
Hi Phil, Don t be hung up on very thin traces. Having wide traces means less copper to etch away. Only use the thinnest to get the circuit laid out. You my
Re: Another rookie starts a high volume pcb project.
2005-07-14 by Phil
I typically use 12 mil. I can make 10 mil traces as well but 12 mil is a little more forgiving. ... laser ... smt at
Re: Another rookie starts a high volume pcb project.
2005-07-14 by Mike Phillips
Sounds like a plan. I ll thicken up the traces and then give the toner transfer a try. Are 12 mil traces that difficult? Mike
Dell 1100?
2005-07-14 by Phil
Has anyone used this printer for TT? 600x600 and costs all of $99. toner carts are $65. Dell claims 15 ppm but a review I read said more like 6 (but still 50%
Re: Another rookie starts a high volume pcb project.
2005-07-14 by Phil
well, a laser printer isn t totally a waste... I would proto with toner transfer and then when you ve got it right, use a board house to make your 100+ boards
saving FeCl3 solution
2005-07-13 by microsoftwarecontrol
I bought solid FeCl3, in small ball shape. I add water to get pcb etching solution. I found used FeCl3 solution will become two parts: green, transparent
Re: saving FeCl3 solution
2005-07-13 by Phil
I have heard of people reviving FeCl by adding sulfuric acid but I m a bit skeptical that it works that well. When it stops etching, dispose of it
Re: Another rookie starts a high volume pcb project.
2005-07-13 by Mike Phillips
After looking at Futurlec, maybe I should have not purchased the laser printer :) They were very cheap. I really like doing stuff my self. Maybe a couple cnc
Re: Another rookie starts a high volume pcb project.
2005-07-13 by Mike Phillips
Ah yes, a laminator. It does sound appealing. Part of the problem is seeing if the circuit does it s job over time. If I have to change the layout, then it
Re: [Homebrew_PCBs] Another rookie starts a high volume pcb project.
2005-07-13 by Stefan Trethan
On Wed, 13 Jul 2005 21:17:01 +0200, Mike Phillips ... that rolling press is called a laminator, and it is much better than using an
Re: [Homebrew_PCBs] Another rookie starts a high volume pcb project.
2005-07-13 by uhmgawa
... Wouldn t you consider farming out the production of 100+ boards? I d be hard pressed to do better on price or quality compared with a commercial board
Another rookie starts a high volume pcb project.
2005-07-13 by Mike Phillips
Hi all, Been a silent member for a while. Just picked up an old HP 6L laser printer to start my project. Glad I read up on the laser printer process first in
Re: [Homebrew_PCBs] Re: Q - writing etch-resist directly to copper
2005-07-12 by Stefan Trethan
On Tue, 12 Jul 2005 09:04:58 +0200, electrophilip ... Why not just buy the refill ink bottle? I still have one here which is very usful to refill the pens, for
Re: [Homebrew_PCBs] Q - writing etch-resist directly to copper
2005-07-12 by Stefan Trethan
On Mon, 11 Jul 2005 22:50:04 +0200, David McNab ... you got much the same results i got. I took it a step further and bought expensive
Re: Q - writing etch-resist directly to copper
2005-07-12 by electrophilip
... David
RE : [Homebrew_PCBs] Re: Drilling station: to be or not to be
2005-07-12 by Robert Hedan
Let s just open it up to anything Robert feels like, because it s all about Robert. - You have absolutely no idea how far from the truth you are. I do not
Re: Drilling station: to be or not to be
2005-07-11 by Steve
Cripes, I made a suggestion and I get this. Talk about football. Talk about cars, beer, whatever. Who gives a crap, right? You d be hard pressed to find anyone
Q - writing etch-resist directly to copper
2005-07-11 by David McNab
Hi, After successfully getting my CNC rig working for PCB drilling runs (updated info/photos at http://www.freenet.org.nz/cnc), I tried using the rig to draw
Re: [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-11 by Stefan Trethan
On Mon, 11 Jul 2005 17:12:24 +0200, Roy J. Tellason ... You can get mains filters as complete module, really cheap, sometime combined with the power plug.
Re: EDM Stuff
2005-07-11 by javaguy11111
Does anyone have more information on this light bulb EDM mentioned in the list. Could not find any references using google.
Re: [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-11 by Roy J. Tellason
... I wouldn t bother with it, then. Inductor-input power supply filters are something that I haven t seen used since the days of vacuum tubes. ...
Re: [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-11 by Roy J. Tellason
... That depends on your software. :-) I use the firefox browser here, and once loaded all I had to do was click on the image and the resolution on my screen
Re: [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-11 by Roy J. Tellason
... I was wondering about that myself. ... Presumably coming out of a transformer? ... To the contrary, data sheets from some regulators do recommend a
Re: [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-11 by Roy J. Tellason
... The link does not work. Yahoo uses some kind of dynamic setup where they move things around, and links that look like this often don t work for long --
Re: EDM Stuff
2005-07-11 by Curtis Richards
... I agree! My prototype machine uses Thomsom linear slides mounted on ground plate. I use 1/2 inch - 10 acme rod for lead screws. I used a lead lap to
Re: [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-11 by Stefan Trethan
On Mon, 11 Jul 2005 03:28:47 +0200, Robert Hedan ... I see ;-) I personally would convert a PC PSU to the higher voltage, but i dunno if you are yet up to that
Re: [Homebrew_PCBs] Drilling station: to be or not to be
2005-07-11 by Tony Smith
... Try the DIY-CNC group instead. All that & more. They even had a thread on a DIY pick-n-place machine a while back. Before you do that, have a quick look
[Homebrew_PCBs] Drilling station: to be or not to be
2005-07-11 by Robert Hedan
Steve, This is the exactly why I had started a separate group to discuss a PCB drilling station. I knew that there will be all sorts of discussions on
Re: Drilling station 40V 3A power supply
2005-07-11 by Steve
This thread looks like it should be on Electronics_101. Steve Greenfield
[Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-11 by Robert Hedan
What s the inductor L1 for? -ST As it turns out, absolutely nothing in a linear power supply. I must have looked at a schematic that had components from
RE : [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-11 by Robert Hedan
That s cause it s a jpg instead of a gif. jpg is not suitable for line art, only photos. use gif or png, it will also use much less space. - Ok, I ll
RE : [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-11 by Robert Hedan
Hi Nuno, The schematic is not very clear, not enough resolution. - Don t browse it via Internet Explorer, save it and browse it using PaintBrush; you ll get
RE : [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-10 by Robert Hedan
What s the inductor L1 for? - Absolutely no idea, I was hoping you d clear that up, hence the schematic request. I saw that somewhere, can t remember.
Re: European Components for PCB's
2005-07-10 by Phil
... specs ... letters. ... Yes, in fact H&H explicitly talk about avoiding that in their section on trasistors.
Re: [Homebrew_PCBs] Re: European Components for PCB's
2005-07-10 by Stefan Trethan
... The abc is not always the same for different manufacturers (all the specs can be different). Also, some have numbers like -10 -15 -20 and so on instead of
Re: European Components for PCB's
2005-07-10 by Phil
... Except in this case the datasheets claim the same Hfe numbers for both. Wonder if they are really both Bs. It wouldn t be the first time a manufacturer
Re: [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-10 by Stefan Trethan
... That s cause it s a jpg instead of a gif. jpg is not suitable for line art, only photos. use gif or png, it will also use much less space. Very good point
RE: [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-10 by Nuno Tavares
Hi Robert, The schematic is not very clear, not enough resolution. But of what I can see, these points I noticed: - I think that you should move the fuse to
Re: [Homebrew_PCBs] Drilling station 40V 3A power supply
2005-07-10 by Stefan Trethan
On Sun, 10 Jul 2005 21:16:38 +0200, Robert Hedan ... You certainly have a few surplus parts in there ;-) What s the inductor L1 for? U2/3/4/5 are a mystery to
Royal Sovereign Laminator
2005-07-10 by Eric Vogel
At Fry s I saw a Royal Sovereign 9 laminator for $80. Does anyone have experience with this one? Thanks -- No virus found in this outgoing message. Checked by