[NCARC] Circuit board fabrication needed

[Matt Kassawara]

While we're on the topic of schematic/layout software, you might want to
take a look at KiCad... an open source, free suite.  I use it professionally
and it works great.

Matt

On Tue, Dec 15, 2009 at 2:30 PM, Glen Akins <glen at kc0vxl.com> wrote:

> Hey, Rick,
>
> If you can fit within the limits of the freeware version of Eagle, I'd
> recommend using Eagle and BatchPCB for low quantities of inexpensive
> prototypes. I like expresspcb.com too but boards with silkscreens can be
> more expensive with them than BatchPCB.
>
> Links to Eagle and BatchPCB are at the end of the presentation I did on
> low-quantity prototypes at an NCARC meeting a few years back:
>
> http://glenakins.com/ncarc/presentation.pdf
>
> My current favorite technique for driving large quantities of small LEDs
> is the MAX6971ANG+ from Maxim. It will drive up to 16 channels with the
> current set by a single resistor. Datasheet available here:
>
> http://www.maxim-ic.com/quick_view2.cfm/qv_pk/4907/t/al
>
> -Glen
>
> scomind at aol.com wrote:
> > Hi Rick,
> >
> > Hopefully, your project is experimental rather than commercial: The
> LM3914 was discontinued by National in 1999, but you can still find them at
> surplus dealers.
> >
> > Have you tried laying out a board with ExpressPCB (www.expresspcb.com)?
> It's really fun, and the free software lets you draw schematics and do the
> layout on a Windows PC.
> >
> > 73,
> > Bob
> >
> >
> >
> > Bob Schmid, WA9FBO, Member
> > S-COM, LLC
> > PO Box 1546
> > LaPorte, CO 80535-1546
> > 970-416-6505 phone
> > 970-419-3222 fax
> > www.scomcontrollers.com
> >
> >
> >
> >
> > -----Original Message-----
> > From: Rick Coate <ricksco at comcast.net>
> > To: ncarc at mailman.qth.net
> > Sent: Tue, Dec 15, 2009 10:13 am
> > Subject: [NCARC] Circuit board fabrication needed
> >
> >
> > Electronic board fabrication needed:
> > I am looking for someone to build a couple of circuit boards for me
> > sing LM3914 dot-bargraph display drivers to drive some large LED
> > argraphs.  These can be built using prototype boards, or as an option,
> > reating a couple of photo etched  circuit boards.  I would like to
> > iscuss options.
> > If interested, please contact me at  ricksco at comcast.net
> > Thanks
> > Rick  Coate
> > 0RSC
> > ______________________________________________________________
> > CARC mailing list
> > ome: http://mailman.qth.net/mailman/listinfo/ncarc
> > elp: http://mailman.qth.net/mmfaq.htm
> > ost: mailto:NCARC at mailman.qth.net
> > This list hosted by: http://www.qsl.net
> > lease help support this email list: http://www.qsl.net/donate.html
> >
> > ______________________________________________________________
> > NCARC mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/ncarc
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:NCARC at mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> >
> >
> >
> >
>
>
> ______________________________________________________________
> NCARC mailing list
> Home: http://mailman.qth.net/mailman/listinfo/ncarc
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:NCARC at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>