[sdiy] making PCB's with PNP blue

[Noah Vawter]

yeah definitely!  PNP is excellent but as you say, there are a million and one protips.

when my heating iron got clogged, I didn't realize it and tried to improve my results in a dozen diff ways...   getting temp right, pre-heating material (it shrinks a little) ,etc etc.  then I realized my iron wasn't flat...   a slight layer of grundge on it...   so I scraped it flat with a light metal edge boom it works may much better.  haven't mastered two-sided yet.  dremel tool drill press is quite nice for making the holes.  just takes patience which is not short on this list :) and try not to inhale too much bad-for-you material (wetting the surface captures a good amount of dust).  There are some Germans out there who make a sport of best PNP blue traces.  I recommend black and white laser printer instead of color, just because it'll generally be higher resolution...   peel back w/ a credit card.  



On Nov 1, 2011, at 11:36 PM, Dan Snazelle wrote:

> Not to mention the eventual variable of drilling skill
> 
> Sent from my iPhone
> 
> On Nov 1, 2011, at 10:18 PM, "Paul Perry" <pfperry at melbpc.org.au> wrote:
> 
>> Some people say DIY PCB is incredibly easy, some say it is impossible.
>> They are both right, and here is why: lots of variables.
>> 
>> Including:
>> laser printer toner density
>> printer material type (whether PNP blue, or magazine paper, or photo paper, or printed label backing paper
>> temperature of iron
>> state of surface of PCB material
>> burred edges on PCB material
>> pressure of iron
>> time of ironing
>> 
>> If I were committed to using PNP blue - or anything else - a good thing to google is PNP blue problems ;-D
>> 
>> paul perry Melbourne Australia (would rather use stripboard)
>> 
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Noah Vawter
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