Re: [Homebrew_PCBs] Eagle part placement crosshairs,, help!!!
2007-07-14 by Philip Pemberton
... You need to go into View - Display/Hide Layers, then turn off the tOrigins and bOrigins layers. -- Phil. | ( _/) This is Bunny.
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Eagle part placement crosshairs,, help!!!
2007-07-14 by timbomcnuckle
Sorry for the dramatic title(!!!) but I am having a bummer problem that is holding me up and definitely stupid. Is there a way to get rid of the tiny
Re: [Homebrew_PCBs] Re: Using "Conductive Pen" for drawing traces
2007-07-14 by Christopher Hart
I agree, they are tricky to use, and get to work right. Keep in mind, those pens are designed for REPAIR of a board with a few bad/broken traces, not drawing a
Re: Using "Conductive Pen" for drawing traces
2007-07-13 by rubines2000
Hi Unfortunately these conductive pens don t work well. You are luck if they aren t already dried out when you buy them but once you opened them the don t last
Using "Conductive Pen" for drawing traces
2007-07-12 by Steve Joblin
Newbie question, which I am sure has been asked before :) I am thinking about using a perfboard like
Re: [Homebrew_PCBs] Re: Etchants is use
2007-07-12 by Leon
... From: Ted Bruce KX4OM To: Sent: Thursday, July 12, 2007 12:20 AM Subject: [Homebrew_PCBs] Re:
Re: Etchants is use
2007-07-11 by Ted Bruce KX4OM
Jeff, I ve always wondered where one can buy HCl and other chemicals of that ilk. Ted KX4OM
Re: [Homebrew_PCBs] Re: Etchants is use
2007-07-10 by Dale J. Chatham
Does wonders for poison ivy, though bathing the skin isn t how I d use it.
Re: [Homebrew_PCBs] Re: Etchants is use
2007-07-09 by lists
In article , ... Well, I think some in the list such as Candida, fungal and yeast infections are external to the body -
Re: Etchants is use
2007-07-09 by TonyB
Hey Etchers, mostly lurking, but i ve been etching for over 30yrs. Reguarding the Add-to-H2O discussion: normally, it s always recommended to add the acid to
Re: [Homebrew_PCBs] Re: Etchants To Drink
2007-07-09 by Stefan Trethan
I personally have a theory on that H2O2 thing and oxygenated water: They need it to counteract all the stuff they take containing antioxidants. ;-) Maybe
RE: [Homebrew_PCBs] Re: Etchants To Drink
2007-07-09 by Tony Smith
... The term new-age nutters was coined for a reason. These days Socrates might have said Light on Knowledge instead. Tony
Re: Etchants is use
2007-07-09 by Les Kalmus
Always Add Acid means add the acid to whatever. This is a precaution in case the mixture gets hot and splatters. The splatter will be the liquid being added
Re: [Homebrew_PCBs] Re: Etchants To Drink
2007-07-09 by Roland F. Harriston
Tony: Personally, I don t think I would ever ingest the stuff unless it was prescribed by a competent physician, and I don t think that a competent physician
RE: [Homebrew_PCBs] Re: Etchants is use
2007-07-09 by Tony Smith
... Ha! :) Ok, I take it back. You might a pedantic douche (perhaps reformed since you trimmed that list!) but it s good to see you ve got a sense of humour
Re: [Homebrew_PCBs] Re: Etchants is use
2007-07-09 by Stefan Trethan
... Nah, only works on foolish people. scientifically proven ;-) ST
Re: [Homebrew_PCBs] Re: Etchants is use
2007-07-09 by Leon
... From: Roland F. Harriston To: Sent: Monday, July 09, 2007 7:19 AM Subject: Re: [Homebrew_PCBs] Re:
Re: [Homebrew_PCBs] Re: Etchants is use
2007-07-09 by Roland F. Harriston
Leon: ... Roland F. Harriston The Pedantic Douche ******************* ... [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Re: Etchants is use
2007-07-09 by Leon
... From: pork_u_pine2000 To: Sent: Sunday, July 08, 2007 8:57 PM Subject: [Homebrew_PCBs] Re: Etchants
Re: Etchants is use
2007-07-08 by pork_u_pine2000
I have been experimenting with H2O2 + HCl. I just don t like ferric chloride much. It s just nasty stuff. And I was also very surprised to find 35% H2O2 at
Re: Etchants is use
2007-07-08 by Jeffrey Jenkins
... at room ... It warms up a little when you add the peroxide, so let s say it is used at around 20F above room temp . You really want to make and use this
Re: Etchants is use
2007-07-08 by Jeffrey Jenkins
... The ratio is 1 volume HCl to 2 volumes H2O2 and you Always Add Acid, as they say (e.g. - 200mL h2o2 added to 100mL HCl). The solution heats up maybe 10-15C
Re: Etchants is use
2007-07-08 by h500ca
I use copper chloride since it can be regenerated indefinitely by bubbling or by adding a few drops of 30% h202. Concentrated h202 should be readily available
Re: Etchants is use
2007-07-07 by lcdpublishing
Jeff, What is the ratio you use for that? How long does it last? Which to you add to which? (Peroxide to acid or acid to peroxide) Any other tips or info
Re: Printer choice
2007-07-07 by dl5012
Hi Pete, I m using a Lexmark Optra E+ with toner refills. It worked okay for paper transfers, but it was too tedious to remove the paper. I ve switched to
Re: [Homebrew_PCBs] Electroplated tin and PTH
2007-07-07 by Adam Seychell
... Andrew, thats right. I gave up on tent and etch because there were always a few holes which failed to seal properly thus destroying the plating during
Re: [Homebrew_PCBs] Re: Etchants is use
2007-07-07 by JanRwl@AOL.COM
In a message dated 7/6/2007 5:32:49 P.M. Central Daylight Time, tesseract@tampabay.rr.com writes: I previously used ferric chloride heated to near-boiling in
Resist technique lost
2007-07-06 by Jim Reed
I m new to H_PCBs, but I ve been a tinkerer with electronics since the 60s. I ve worked for a few companies which had very good luck with negative resist
Re: Etchants is use
2007-07-06 by Jeffrey Jenkins
... I previously used ferric chloride heated to near-boiling in the microwave for years but after I learned about HCl/H2O2 on this group I gave it a try and
Re: yeah its ded but heres a question......
2007-07-06 by timbomcnuckle
Thanks for the info! I actually tried printing off a bunch of layouts this morning using the printer and have found that it is more forgivable than my
Electroplated tin and PTH
2007-07-05 by Andrew
... Adam, have you dropped the CuCl in favour of the alkaline etchant because of problems with through hole plating ? Is the whole tent and etch thing
Re: [Homebrew_PCBs] Printer choice
2007-07-05 by Leon
... From: Peter Harrison To: Sent: Thursday, July 05, 2007 7:57 PM Subject: [Homebrew_PCBs]
Printer choice
2007-07-05 by Peter Harrison
Hi It looks like my old printer (A laserjet 4mp) is about to give up on me. so, anyone got good advice on a replacement? Either a laser for toner transfer or
MG Liquid Tin results
2007-07-05 by DJ Delorie
Got some recently, did some tests with it. Seems to be exactly what I had hoped :-) http://www.delorie.com/pcb/liquidtin/ Now, if someone would sell a bottle
Re: yeah its ded but heres a question......
2007-07-05 by pgdion1
I use an HP Laserjet 1200 at home for my TT, it works great. Between that and the 8000 series at work, the 1200 does the best job. I m also using it with a
Re: [Homebrew_PCBs] Etchants is use
2007-07-05 by Lez
... because in the UK its all you can buy off the shelf. Chemicals are not really sold in the UK, even drain cleaner is weak. If you want chemicals as such
Re: [Homebrew_PCBs] Etchants is use
2007-07-05 by Adam Seychell
... As you noticed, there are a number of etchants used by hobbyists. That shows there are exists pros and cons with all of them and each suit users
Re: [Homebrew_PCBs] Etchants is use
2007-07-05 by Leon
... From: Kamal Shankar To: Homebrew_PCBs Sent: Thursday, July 05, 2007 7:41 AM Subject:
Etchants is use
2007-07-05 by Kamal Shankar
I would be interested in getting a good idea of what are the etchants being used. AFAIK, they are : 1. Hot FeCl3 2. Muriatic Acid + Hydrogen Peroxide 3. Copper
Re: [Homebrew_PCBs] Re: Has anyone tried...
2007-07-05 by Gordon Couger
... You don t have to use silver you can use potassium or ammonium bichromate. It is nasty stuff but you can spin coat the aluminum foil with a fresh made
Re: [Homebrew_PCBs] yeah its ded but heres a question......
2007-07-05 by Herbert E. Plett
oops, sorry... misunderstood the question ... ____________________________________________________________________________________ Be a PS3 game guru. Get your
Re: [Homebrew_PCBs] yeah its ded but heres a question......
2007-07-05 by Herbert E. Plett
use magazine paper, works OK ... ____________________________________________________________________________________ Need a vacation? Get great deals to
Re: [Homebrew_PCBs] Re: Has anyone tried...
2007-07-04 by John P. Anhalt
From Finishing.com Oct 6, 2003 I can tell you general plating method. copper on aluminum 1.etching(NaOH) 2.desmut(HNO3) 3.zincate 4.strip(HNO3) 5.zincate
Re: yeah its ded but heres a question......
2007-07-04 by Andrew
... I normally use vellum in a fancy laser printer that gives me very good contrast. If I dont have any vellum or am not near tha printer I will just use plain
Re: Has anyone tried...
2007-07-04 by Andrew
... Apart from the fact that is sounds harder and more expensive than just using photographic emulsion as nature/god/kodak intended.
Re: [Homebrew_PCBs] Has anyone tried...
2007-07-04 by Gordon Couger
I have long thought it should be possible to use lithographic methods to do what you want and more. Lithography works by putting a substance the repels water &
yeah its ded but heres a question......
2007-07-04 by timbomcnuckle
I think the proximity of the holiday might have alot to do with the lack of corrispondance. I am trying to figure out a way to get some light sensitive PCB s
Re: [Homebrew_PCBs] Has anyone tried...
2007-07-04 by Leon
... From: Surf Thenet To: Sent: Wednesday, July 04, 2007 2:47 AM Subject: [Homebrew_PCBs] Has anyone
RE: [Homebrew_PCBs] Awfully quiet in here.
2007-07-04 by Dave King
Well I ve decided to be an astronaut so I ve been busy out in the shop building my tinfoil helmet... D ... No new messages since Saturday. Has everyone gone to
Has anyone tried...
2007-07-04 by Surf Thenet
Has anyone ever tried to make a printed circuit board by printing a reverse image onto a sheet of aluminium foil [with an ink jet printer], then plating copper