Re: [Homebrew_PCBs] Re: What pad size?
2006-01-03 by Wayne Topa
... Maybe search for part # HLED-3 or HLED-4 (5mm Led) or HLED-5 (3mm) Other then that, I don t know. Wayne
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2006-01-03 by Wayne Topa
... Maybe search for part # HLED-3 or HLED-4 (5mm Led) or HLED-5 (3mm) Other then that, I don t know. Wayne
2006-01-03 by David Griffith
... Mouser has standoffs in many different sizes. Try a pair of popsicle sticks clipped or glued together, especially for several LEDS in a row. Stacked
2006-01-03 by Bruno St-Laurent
... for ... need to ... it ... you ... in the ... only one ... It is ... one ... battery ... swimming ... rotating ... etchant, ... grow in ... in ... gravity
2006-01-03 by Stefan Trethan
... You can use it indefinitely. Of course HCl is also used up, so you need to add that too after a while. You can either go by feel and add when it doesn t
2006-01-03 by aleph_and_torasu
... Where s a good place to get those? My LEDs look like wobbly spider legs.
2006-01-03 by alan00463
... Yeah, John. I was wondering what kind of press you use too. If you already mentioned this, I must have missed it. Alan
2006-01-03 by Bruno St-Laurent
... USE ... pour with ... or three ... Wow really small quantity !!! last question, Can it be regenarate for ever , or should be dispose after some H2O2
2006-01-03 by Les Newell
If it fizzes, you added too much. It won t actually do any harm if you do put too much in. I normally fill the cap of the bottle up and tip that in. It seems
2006-01-03 by Stefan Trethan
On Tue, 03 Jan 2006 17:40:03 +0100, Bruno St-Laurent ... Of the 30% stuff just a little bit. A spoon full or two (DO NOT USE METAL), 5ml
2006-01-03 by Leon Heller
... From: Bob_xyz To: Sent: Tuesday, January 03, 2006 4:37 PM Subject: [Homebrew_PCBs] Re: CUCL
2006-01-03 by Bruno St-Laurent
... H2O2!! is ... H2O2, ... Stefan how much H2O2 do i add ???? Bruno
2006-01-03 by Bob_xyz
H2O2 is available at beauty supply stores in concentrations up to 40%. (It s hair bleach.) It s sold in 1 quart bottles for US$5 or so. I get mine at Sally
2006-01-03 by Leon Heller
... From: Stefan Trethan To: Sent: Tuesday, January 03, 2006 4:17 PM Subject: Re: [Homebrew_PCBs]
2006-01-03 by Stefan Trethan
On Tue, 03 Jan 2006 16:24:52 +0100, Leon Heller ... NO, not BLUE! It should be green. If it is blue you have no HCl and it can t etch. ST
2006-01-03 by Stefan Trethan
On Tue, 03 Jan 2006 16:37:32 +0100, Bruno St-Laurent ... Yes, and not very expensive either. You want some around 30%. I was afraid the
2006-01-03 by Bruno St-Laurent
... time??? , ... around 5 ... green ... like 50C ... produced ... above ... levels ... I do use a bubbler !!!, ok, then i need to get concentrated H2O2!! is
2006-01-03 by Stefan Trethan
On Tue, 03 Jan 2006 15:48:13 +0100, Bruno St-Laurent ... It is problematic to heat this etchant because HCL will boil at like 50C or
2006-01-03 by Leon Heller
... From: Lindle To: Sent: Tuesday, January 03, 2006 7:04 AM Subject: [Homebrew_PCBs] Question
2006-01-03 by Leon Heller
... From: Bruno St-Laurent To: Sent: Tuesday, January 03, 2006 2:48 PM Subject: [Homebrew_PCBs] CUCL
2006-01-03 by Bruno St-Laurent
Hi guys I m new using the homebrew mix of HCL 30% and H2O2 3%, and would like to know what is the best temperature for good etch time??? , right now when i do
2006-01-03 by stewart_bakeruk
For doing double sided boards using transparencies I made up a jig from the same thickness PCB material in the shape of an L . The top and bottom
2006-01-03 by Lindle
I am using PCB123 to draw my circuit boards with and have made through rings slightly larger in the program. Now I find these direct etch doughnuts and want
2006-01-03 by Kim Currier
Hello, everyone... I am rather new to this board, and I have had some real good luck with Toner Transfer, but it hasn t quite made me happy with traces that
2006-01-02 by kennytrussell
I see now. Thanks. ... spiel (PCB ... have
2006-01-02 by kennytrussell
John, This was very helpful. I really appreciate it! I m not familiar with the press you use. I m still using an iron but I will look into what you have.
2006-01-02 by jam5411
... folded-over ... problem. ... Using the Press n Peel I leave roughly 3/8inch overlap from the laser print out. This is 3/8 larger than the board outline.
2006-01-02 by Stefan Trethan
On Mon, 02 Jan 2006 21:09:15 +0100, kennytrussell ... I fold the cardboard over in the middle, and then put the whole spiel (PCB with layout paper on both
2006-01-02 by kennytrussell
I m not sure I understand where you put the cardboard. ... someone ... edge ... an ... I ... over ... problem.
2006-01-02 by Stefan Trethan
On Mon, 02 Jan 2006 20:34:50 +0100, kennytrussell ... Yes, the curvature causes an error for me. If i put in in a folded-over piece of thin cardboard the curve
2006-01-02 by kennytrussell
JohnM, I have done .5 mm also with no trouble. It amazes me that it can work so well - seems so crude but works so well! I appreciate the helpful tips too
2006-01-02 by Stefan Trethan
... it will work for that too. I did 0.5mm pitch thin flatpack (the ones without real leads) with no problems, but you need a 600DPI printer. ST
2006-01-02 by jam5411
I have been reading with much interest all that I can about the Laser toner transfer method of making PC boards and after a few attempts have been absolutely
2006-01-02 by kennytrussell
George, At the moment, I m still sold on transparencies being better than the glossy paper, but really I don t know. I need to do a few more with paper. I have
2006-01-02 by kennytrussell
I quickly threw together a quick web page with pictures of a few projects for which I could find digital pictures. I took a lot of pictures along the way in my
2006-01-02 by soffee83
That other thread about the toner reminded me.- Does anyone who runs that HP not get the full adjustment prefs on their Windows machines? I get that simple
2006-01-02 by soffee83
Thanks Kenny! I bought a few sheets of transparency too a while back and haven t used it yet. All I ve ever done is glossy paper. I really want to get a bit
2006-01-01 by kennytrussell
George, If you get the toner just right (very light, really), I believe you can apply as much pressure as you wish and not worry about spreading too much. I am
2006-01-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder, please read: Subject lines: Remember to change the subject line if you are straying from the original thread. Please change the subject line
2006-01-01 by soffee83
... When I was wondering about the pressure once, I sat a bathroom scale on the counter and pressed down on it with a push-up (exercise) handle thing that was
2006-01-01 by Stefan Trethan
On Sun, 01 Jan 2006 15:07:32 +0100, kennytrussell ... laminator or fuser makes that better. ... That s true! ST
2006-01-01 by kennytrussell
John, I found that if I had the toner looking thin (sort of speckled) on the transparency (you can only tell with a good magnifier like my 30X one), that after
2006-01-01 by whoop@blueyonder.co.uk
... Kenny, I upped the toner density to make sure I got a solid black print (I have a software utility to do that on my Apple Laserwriter). I get a good solid
2006-01-01 by Stefan Trethan
No i do not worry and you don t have to either ;-) even 6.66 mil traces have no problem with it. I have not damaged the copper this way, ever. ST On Sun, 01
2006-01-01 by soffee83
Do any of you guys have any trouble with the thick photo paper trying to bubble or lift from the hot PCB or substrate when you stop ironing? If so, have you
2006-01-01 by kennytrussell
Thanks, Steve. I just discovered this list a couple of weeks ago. I have been hesitant to post because I just haven t had the time to look over the links and
2006-01-01 by kennytrussell
Wayne, That looks like a very good site for information. I might have to try their laminating machine. I just made the 1st board using 1/32 material. I
2006-01-01 by kennytrussell
Stefan, Do you not have to worry about even very small traces getting scraped away? KT ... even ... away,
2006-01-01 by Steve
Don t forget to check the Links section of the list. That s what it s there for. And if you have a good link and don t see it, add it. If you can t decide on a
2006-01-01 by Wayne Topa
... I think I read the same article. You might want to look at for info on the modified laminating machine. I just got one but
2005-12-31 by Stefan Trethan
On Sat, 31 Dec 2005 23:15:16 +0100, kennytrussell ... Acetone is a safe replacement. You don t need to submerge it, drip some acetone on the pcb, and wipe the