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2016-01-04 by Tobias Gogolin
How about developing a spot tin plating head with that type of resolution? For use on 3d printers? On 4 Jan 2016 03:20, Brad Thompson brad.thompson@valley.net
2016-01-04 by Dave Wade
For many 3D printers its simpler to print a Dremel or other mini-drill mount for the printer and use it to mill a PCB… Dave G4UGM From:
2016-01-04 by Tony Smith
No worse than the rest of the stuff I set fire to in the lasers. (Lasers cutters tend to have good fume extraction – if they don’t you soon add it.) Tony
2016-01-04 by Bob Butcher
Today at 11:44 AM That is a good idea. You must have at least Windows 7 and must have a 64 bit system for it to work however. Bob On Sunday, January 3, 2016
2016-01-04 by Bob Butcher
That is a good idea. You must have at least Windows 7 and must have a 64 bit system for it to work however. Bob On Sunday, January 3, 2016 4:05 PM, Aaron
2016-01-04 by <n0tt1@...>
But then you have to deal with the fumes from burning paint. 73, Charlie On Mon, 4 Jan 2016 22:51:43 +1100 Tony Smith ajsmith1968@gmail.com ... directly
2016-01-04 by Tony Smith
... I doubt it would be fine enough. That said are people doing 3D-ish printers where they print the traces instead using that silver conductive paint or
2016-01-04 by Leon
I added HCl to my ferric chloride for years. Of course, now that cheap boards are available from China I don t bother to make my own. Leon Heller G1HSM
2016-01-04 by Brad Thompson
On 1/3/2016 6:05 PM, Aaron Turner synfinatic@gmail.com [Homebrew_PCBs] ... Hello-- I inquired about this topic (deposition of plastic extruded resist directly
2016-01-03 by Aaron Turner
I m curious- has anyone tried using Fusion360 for CAD/CAM for milling PCB s? I ve used Fusion360 with great results for designing parts for my 3D printer and
2016-01-03 by Bill Verstelle
Thanks Bob, I will try your ratios next board I etch. Sent from my iPad
2016-01-03 by Bill Verstelle
Bob I tried wax paper when I was having problems getting all the toner to stick and with the wax paper no toner stuck to the board. I don t know if the wax
2016-01-03 by Bob Butcher
If you open the attached PCB you will see a group of pads connected by traces (all blue). All the pads are outlined by rectangles, and lines are then used to
2016-01-03 by mosaicmerc@...
What wax Bob? I use diluted nitric acid to etch copper. It works very well and lasts decades. I have a carboyle of the concentrated stuff, diluted 3:1 with
2016-01-03 by Bob Butcher
I purchased BobCad CAM a couple of years ago, and find it very helpful. All you need to do is define the origin when starting a layout (I use the left rear
2016-01-03 by Bob Butcher
I would think the wax would melt in the laminator and coat the copper board in all the wrong places. Bob
2016-01-03 by Bob Butcher
I use Muriatic (Hydrochloric) Acid mixed with Hydrogen Peroxide, 1 part acid (28%) to 2 parts Hydrogen Peroxide (3%). From what I have read, if the solution
2016-01-03 by keith printy
Never thought of adding acid to it to extend it’s life. When I got towards the end of the etching process I’ve seen ferric chloride start to solidify. When
2016-01-03 by keith printy
If you are using a desktop pc ,you could always install a parallel port. I have an old laser printer that required one and all I had was usb. The board I
2016-01-03 by Ancel
Hi Folks: I have developed Toner transfer down to 16 mil detail with free magazine paper or10 mil with cheap chinese toner transfer paper. Here is the
2016-01-03 by Harvey White
... TurboCNC also works with a parallel port in a minimal (DOS) environment. Don t use it in a DOS window under windows. ... USB has no guaranteed delivery
2016-01-03 by verstelle@...
Mike I m using a 50/50 mix of Pool acid and Hydrogen peroxide. I think it is muriatic Acid. I put a clean board in for maybe 15 seconds, just long enough to
2016-01-03 by verstelle@...
Hi Lee I m using a GBC Personal Laminator, seems to get hot enough. Today I made 2 more boards, both using, clean and pre-etch and both had 100% transfer.
2016-01-03 by Russell Shaw
... If you use it and use bubble agitation, keep it stored for next time, and top up with a bit of HCl hydrochloric or muriatic acid next time it s used. It ll
2016-01-03 by Donald H Locker
Thank you.
2016-01-02 by me@...
Can you please expand on the rectangles? I do not understand the purpose.
2016-01-02 by Bob Butcher
I have milled a few PCB s. I generally lay out the circuit using Protel, but any PCB software will work. Then I save a copy as a DXF drawing and use AutoCAD to
2016-01-02 by alan00463@...
Thank you, Stefan and Aaron.
2016-01-02 by lphebus@...
Thanks Bill ! I will give pre-etching a try. What kind of laminator do you use? I have a harbor freight el cheapo and I do not think the temp gets hot
2016-01-01 by Aaron Turner
As a newbie to SMD soldering myself, I find two things are really useful: 1. Google footprint . So something like SOIC-8 footprint and
2016-01-01 by Stefan Trethan
SOIC-8 will be easier to solder due to the larger pin spacing. ST On Fri, Jan 1, 2016 at 11:23 PM, alan00463@yahoo.com [Homebrew_PCBs]
2016-01-01 by alan00463@...
OOPS! What I meant to say was the IC is available in SOIC-8, SOP-8, and TSSOP-14. Is one package easier to solder than the other two?
2016-01-01 by Leon
PDIP is through-hole. Leon Heller G1HSM -------- Original Message -------- Subject: [Homebrew_PCBs] SMD package question From: alan00463@yahoo.com
2016-01-01 by Jean-Paul Louis
Alan, PDIP-8 is a Trough-Hole package, while SO-8 is SMT. It all depend on your soldering skills, but I would say BOTH are easy. Regards, Jean-Paul N1JPL
2016-01-01 by alan00463@...
Which SMT package is easier & quicker to solder ? PDIP-8 or SOIC-8 It s for a TLC555 chip.
2016-01-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder for Homebrew_PCBs list, please read: Messages and threads: Please do NOT start a new thread by replying to another message. Even if you change
2016-01-01 by me@...
Use Scotch Brite pads before and after etching, I add a bit of hand soap. Scrub under running water. Run the board through laminator at least ten time ,
2016-01-01 by MIKE DURKIN
works for me ... What kind of acid ? I only have Ferric Chloride .... if had it for over 25years. One bottle iv never opened. To: Homebrew_PCBs@yahoogroups.com
2016-01-01 by verstelle@...
Hi group well I have been making PCB s for many years now starting from using my moms fingernail polish as a etch resistant. I have never had much luck doing
2015-12-31 by me@...
Didn t see my post maybe there is a delay? Anyway I will restate my questions since they are open to everyone. What software to use to control the mill? I
2015-12-31 by me@...
Wonderful! Hopefully you don t mind answering some questions? First how are you doing it? What software are you using for the actual milling process? I
2015-12-31 by Boots Hughston
I have been milling pc s for 3 or 4 years Boots-2b1 Sent from my iPhone
2015-12-31 by keith printy
I was thinking about this and knowing how the fuser is constructed in the laser jet the wax would only get on the Teflon sleeve . since it would provide
2015-12-31 by Dave Wade
Built a milling attachment for my 3D printer but not yet made any PCBs. Been looking at a CNC3040 so me interested to hear how you get on… Dave G4UGM From:
2015-12-31 by Cristian
... I do. Cristian
2015-12-31 by me@...
Is anyone out there milling PCBs? My new CNC 3020 is on its way along with an Arduino controller and I have a number of questions. Before I post them just
2015-12-31 by me@...
Wax paper works fine. I have been using it for months with no noticeable issues. I use Reynolds wax paper. Other off brand wax paper yieds poor
2015-12-28 by Donald H Locker
Waxed paper or baking parchment? I would expect the former s coating to melt in the printer and make a mess of it; the parchment should survive OK. Donald.
2015-12-28 by Enzo Fiorillo
Thanks. I´ll tryEnzo From: Homebrew_PCBs@yahoogroups.com To: Homebrew_PCBs@yahoogroups.com Date: Mon, 28 Dec 2015 09:47:38 -0800 Subject: [Homebrew_PCBs] Re:
2015-12-28 by me@...
I tape a piece of wax paper to a regular piece of paper then print on that with the LaserJet. Works great. Since the wax paper is translucent, it really