Homebrew PCBs

Dennis,

I can do OK with just top light and about 0.01" of clearance between board
and drill during positioning. But it would take less concentration if I
added a means of locating the touchdown point. Maybe a thin clear plastic
plate would do the trick. I would just attach an L shaped piece and then let
the drill make the hole so it would be self aligning. Hmmm.

Rick

-----Original Message-----
From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
On Behalf Of dennis.lewis5
Sent: Saturday, February 09, 2013 2:50 PM
To: Homebrew_PCBs@yahoogroups.com
Subject: [Homebrew_PCBs] Re: circuit board drilling question

Rick,
Recently I did this. I cannot tell you that it was a terrific improvement.
In my arrangement there are overhead lamps as well as the one below the
deck. I am still experimenting but this probably would have worked better if
the overhead lamps were dimmed a little more and the copper was not as
reflective, maybe cleaning the board before drilling isn't the way to do it.

The led I used was not specified, just claimed to be super bright white,
4.5v. I am running it at about 30ma., as much as I dare.


--- In Homebrew_PCBs@yahoogroups.com, "Rick Sparber"  wrote:
>
> Has anyone played with putting a high intensity LED pointing up 
> through the drill press table so it would be easier to see the circuit 
> board land before drilling?
> 
>  
> 
> Rick
> 
> 
> 
> [Non-text portions of this message have been removed]
>




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