Tag: Electronics

Electronica Fest

by superfro on Sep.07, 2010, under Happenings

We’ll be at Electronica Fest.

You should come.

More details here.

Saturday, September 18, 2010
10:00 am – 8:45 pm
Live Music starts at 12 noon

National Electronics Museum

1745 West Nursery Rd.
Linthicum, MD 21090

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Cheap logic analyzer (ELSA100)

by superfro on Aug.17, 2010, under Tool Shed

I recently purchased this logic analyzer.  It’s a clone of the Saleae logic analyzer.  Available for 50$ here with 10 mini grabbers.  It appears to perform exactly like the Saleae except its noticeably larger.  It even uses Saleae’s software.  It does ship from over seas, and might take a little while but it did arrive, and had free shipping.

The cable that ships with it doesn’t have wires broken out for the power supply pins, but it appears there are 2 extra pins, 3.3v and 5v power sources.  I’ll have to see about adding 2 more pins to the connector to utilize them.  The factory cable has 8 logic wires, and 2 grounds, but the connector has lots of extra spots for wires, extra grounds and those power supply pins.

Anyway, you can’t beat the price.  Oh it’s also supported by Sigrok, an open source logic analyzer that is multi platform.

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LED Fireflies in a Jar (v1.0)

by superfro on Jul.08, 2010, under How-Tos, Projects, Soup, Videos

Me and my wife recently had our first child.  I’ve been trying to come up with some projects I can do for the kid.  Well, around this time of the year the fireflies go crazy around my house, so we came up with the idea to do led fireflies in a jar.  It should be something cool for him to stare at and is easy to build.

Schematics, C source code and hex file are available here on our wiki.  If you want to build one it should only take about an hour.

I’m planning on making a version 2 with some changes, stay tuned for that one.

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Great Online Books for Learning Electronics

by Squintz on Mar.26, 2009, under Books

booksI stumbled across these excellent books which are great for anyone who wants to learn about electronics. The website contains a complete series of college textbook style books in HTML and PDF format. They provide links to download the entire collection with one click. Check it out!

http://www.ibiblio.org/kuphaldt/electricCircuits/

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