Comments on: SOIC Breakout Boards

By: Pim Veld

Pim Veld — Mon, 22 Sep 2014 20:01:30 +0000

Nice work!

By: John

John — Mon, 04 May 2009 17:46:22 +0000

Have you ever tried controlling a 8bit dac like a max517. I am all new to this unit and need to make something to control the 517 in about 8 different steps (from x00 to xff).

By: Keith Neufeld

Keith Neufeld — Thu, 30 Apr 2009 02:49:08 +0000

Nacho, I don't know. But you should check out Sparkfun's breakout board section.

By: Ignacio Manzano

Ignacio Manzano — Tue, 28 Apr 2009 01:23:44 +0000

It’s great!!!

I have some accelerometers with QFN (16) package, do you know if iexists these PCB for this kind of package ?

Thanks!!
Nacho

By: Entropia

Entropia — Tue, 21 Apr 2009 18:48:24 +0000

The wet-look stuff is indeed flux.

“I etched” the board at university (read: I looked as someone else did it for me), so I can’t really accurately comment on the process. The board was first printed on a regular laser printer and then exposed in a purpose-built PCB exposing machine. After that came the chemicals, I think it was the “regular” process. During the process the board stayed about 15 minutes in a blue chemical in a tank with an air pump in the bottom of it. Could that be the key to good edges?

At uni I usually tend to use the LPKF ProtoMat PCB router that’s also available. It’s a sweet machine that does 2-sided boards hassle-free and drills the holes too.

I design my PCBs in PADS Logic/Layout/Router since uni has licenses and (according to the profs) they use it in the industry too (I hope!).

By: Keith Neufeld

Keith Neufeld — Mon, 20 Apr 2009 14:53:02 +0000

Entropia, I like your pin labels!

What’s the wet-looking stuff on the board? Is that flux, or did you coat the finished board with something for protection?

Did you etch the board yourself? What method did you use for etch resist? It looks like you have very clean edges and good resolution — nicely done!

By: Entropia

Entropia — Mon, 20 Apr 2009 14:47:50 +0000

I did a similar SOIC breakout, though not as neat as yours.

http://www.elisanet.fi/entropia/picdump/vs1001k.jpg

By: Keith Neufeld

Keith Neufeld — Wed, 11 Jun 2008 13:19:33 +0000

Syd, yes, they’re linked from the article.

By: Syd Kahn

Syd Kahn — Wed, 11 Jun 2008 12:56:42 +0000

Any chance you could share the eagle file (for at least a single board?)

By: Keith Neufeld

Keith Neufeld — Tue, 27 May 2008 15:39:06 +0000

TK, everything tricky I've learned to do in EAGLE is posted on my EAGLE tips and tricks page. Scroll about halfway down and there's a link to where I learned about panelizing, plus my summary of how I do it.