bookmark_borderUsing Arduino to calculate Quadratic function

This is a simple and quick code I made for teach variables with arduino programming,
where we enter the variable numbers a, b, c in

and we get the answer using the Serial Monitor..

I won’t get in details about this code, it’s quite straightforward. But if you have any question, just ask! 🙂

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bookmark_borderOpen Hardware Definition 1.0 Released

It’s finally here, a document that will help us to define what Open Hardware is, and to spread the idea. Open Software have been around for a long time, Open Hardware is still beginning, but already have a really big community out there, including me. I will add the logo to my next projects for sure!

Now, to move forward, please HELP:

This is a very important step in propelling our movement forward. PLEASE FORWARD FAR AND WIDE.

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bookmark_border10 Cool things to do in OSX Terminal

The thing that made me buy mac is that it has a OS based on Unix, and programs like Photoshop and Microsoft Office (not a big OpenOffice fan yet). Like a good nerd, I can’t live without my beloved terminal, which makes my life easier. In this post I will show some commands so you can have fun on mac’s terminal. Hope you like it, and if you have any other ideas, please comment on the post!

1. Twitter Update

    Nothing more geek than updating your twitter from terminal. Just change the user e pass from the pre. Way cool.

    curl -u user:pass -d status="Tweeting from the shell" http://twitter.com/statuses/update.xml

2. Sing songs

    Release your creativity, sing along.

    sudo osascript -e 'say "Dum dum dum dum dum dum dum he he he ho ho ho fa lah lah lah lah lah lah fa lah full hoo hoo hoo" using "Cellos"'

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bookmark_border10 Things To Do Just After Installing Ubuntu 7.10

Ubuntu is a very complete OS, especially the Gutsy Gibbon (7.10), but there are still make tweaks you can do just after installing it that will make Ubuntu shine like never. I will explain here some things I do just after have ubuntu installed. Remember that what I’ve written here are the best things to install for ME, you may consider not making some of them or installing many different things, but if so, please, share your wisdom with us all. 🙂

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bookmark_borderCloning your HD on Windows

After readying this great tutorial, of how to clone your HD using a mac, I decided to write one tutorial showing how to do this if you are a windows users.
Lately I’ve been quite angry with my windows. So here’s a very easy and fast way to restore your windows settings without having to reinstall windows all again.
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