freebies

The Rockwell International Integrated Space Plan

The Rockwell International Integrated Space Plan

I first encountered this amazing infographic hanging on a professor’s office wall when I was visiting law schools back in 1999. I’ve been trying, off and on, to run down my own copy ever since. It’s been one of those back-burner projects that I’ll poke at when it comes to mind, every now and again, but until quite recently all my leads have come up dry. All I really knew about the poster was that it had been created in the 80s by analysts at Rockwell International and that it was called the “Integrated Space Plan.”

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Free Download:  Hackerspace Passport

Free Download: Hackerspace Passport

Another wonderful idea from Mitch Altman: Here is a 14-page download-and-print hackerspace passport you can carry on your travels to commemorate and advertise all the cool community workspaces you’ve visited.

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Golden Book of Chemistry Experiments for Browsing/DL on Scribd

Golden Book of Chemistry Experiments for Browsing/DL on Scribd

1960’s “Golden Book of Chemistry Experiments,” by Robert Brent and Harry Lazarus, is now freely browsable on Scribd, and can be downloaded as a .PDF after either paying $5 or uploading a document of your own in exchange.

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Free Web Accessible Visual Regular Expression Generator

Free Web Accessible Visual Regular Expression Generator

Mark is a programmer who hates writing regular expressions. So he wrote a kind of visual regular expression generator that starts with the string to be searched, identifies recognizable patterns in it, and lets you select those you want. Then it outputs a working (albeit probably inelegant) regular expression to get the job done. The commentariat over at txt2re.com is somewhat predictably divided between grateful regex amateurs and annoyed experts. [via Boing Boing]

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Resistor Value Color Computer Wheel, Japanese Version

Resistor Value Color Computer Wheel, Japanese Version

A commenter on Monday’s post about Rob Ives’ free downloadable resistor color wheel computer pointed us to the Japanese-language site of Ikkei Electronics, which provides this PDF created in 2007, and apparently dated to 1976, showing this cool hand-drawn-and-lettered version of the same idea. [Thanks, ikkei!]

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Free Downloadable Resistor Value Computer

Free Downloadable Resistor Value Computer

OK, so, it’s not really that hard to learn to read a resistor without a special tool, but ever since I saw the free downloadable nuclear bomb effects computer I have had a soft spot for these circular slide rules. And this one from Rob Ives might make a cool gift for a young maker to get him or her painlessly over the hump. [Thanks, Rob!]

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Free print-and-stick pinout label for ATmega (Arduino) chip

Free print-and-stick pinout label for ATmega (Arduino) chip

A handy resource provided by George Graves over on the adafruit forums, based on an idea by Tod E. Kurt.

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