First Hi to all, as you may guess I'm new to this Group. If I don't regard any rules or common behavoir suggestions please point it out. To the question: I...
Greetings, The electrolysis would be far more effective with 3Vdc than with 6Vac. A full wave bridge rectifier in conjunction with the 6Vac transformer would ...
Hi, every body: That is very nice to meet you here. We are new here. We offer PCB (including schematics if you want), MECHANIAL design service. For more...
Last night I added 1 litre of HCl (30.5%) to 2 litres of distilled water to make 12 litres of 10% etchant (to start off with) in my plastic Coleman cooler...
While I admire the creativity that people are showing, I am still wondering why bother with these other techniques when the photo-activated PCB material makes...
Hi: I am attempting to make a couple boards using Eagle software and Press-N-Peel. The smallest paper that I can feed my printer is 3" X 5". Even at that...
I found that higher copper gives faster etch. Currently I get around 15 minutes etch time at 20°C for 35 um copper, bubble agitation with a solution composed...
Hi Adam- the HCl I have is 20 deg. Baume or about 31.5% HCl, how should I modify your recipe (in message 1367 - Preparation of cupric chloride etchant)? Grant...
I bought a plastic Coleman cooler to hold my cupric chloride etchant. The manufacturer says this is made of polyethylene. Is this likely to stand up well, or...
That's good you found a place selling that stuff, sometimes these plastics are hard to locate. Stay with PVC , because its the only plastic you can easily glue...
In a message dated 3/31/2003 6:46:32 PM Central Standard Time, ... Yeah, they sell all KINDSA vessels of several kindsa plastics, much surely good for...
I spent several hours looking for an inexpensive source of schedule 80 1/4" PVC pipe and fittings to make the air "sparger" outlined on the "Think and Tinker"...
Can anyone help me with possible suppliers of resist coated PCB in AUS? ... From: crankorgan To: Homebrew_PCBs@yahoogroups.com Sent: Sunday, March 23, 2003...
Hi Gang, I started a conference called Hardware Store CNC. So you want to build a PCB mill or drill? Drop by! http://pub75.ezboard.com/bhardwarestorecnc John...
Hi, I have a T-tech circuit board etcher that I am planning on putting on e-Bay, software, lisecnsed dongel, the works. I would like to replace it with...
Just so you know- Some of you are on moderated status. This is nothing personal, I only do this for new members whom I don't know. This is just to limit spam ...
I've seen some posts here about people doing the Laser Printer heat toner-transfer to PCB with the special sugar coated paper, but I've been doing it for quite...
I prefer the cucl be made with dilute hcl and scap copper and hyrogen peroxide 3% from the drug store. start off slow speeds up as th copper ions make a green...
Well, I'm too new in this groups, only two days, and i would like to konw how to make the electro copper... I'm studing Telecommunications engineering and I...
I forget if I posted this question here. I am redoing a PCB, and I must replace the quad 3467 and 3468 transistors array chips. They have the DH prefix. I...
Thank you Ned for the warnings of copper toxicity. Yes, copper is a toxic heavy metal that is only required by life in trace quantities, somewhere around...
Cupric chloride is also used as a pesticide in a mix with a penetrating oil on wood posts that are buried in the ground. It keep the termites out of the wood...
Cupric Chloride was/is used experimentally as a photographic developing agent. You may find some photography supply shops selling it. The bottom of this page...
I suppose there is no easy way to copy circuit boards to make new ones? I'm working with a few devices which are now in cut-out limbo, so I'd like to make more...
