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    • Magnetic Field Measurement with an Arduino, a HMC5883L and a Piezo Speaker

    Posted on June 8, 2013 by Pixel

    This is a tutorial on how to do magnetic field measurement with an Arduino, a HMC5883L triple axis magnetometer and a Piezo Speaker

    First of all, here is a schematic on how to hook up everything.

    arduinoHMC5883Lpiezo
    Source images from:
    http://store.fut-electronics.com/HMC5883L.html
    http://www.geekzone.co.nz/imagessubs/blog18a1d14dd0a4ccf9c8d355c44d869a03.jpg

    HMC5883L GND -> Arduino GND
    HMC5883L VCC -> Arduino 3.3V
    HMC5883L SDA -> Arduino A4
    HMC5883L SCL -> Arduino A5

    Piezo Speaker – -> Arduino D10 (Any digital PWM port is sufficient)
    Piezo Speaker + -> Arduino GND

    Continue reading →

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    Posted in Miscellaneous, Programming | Tagged , | Leave a comment
    photoshop

    New Git Wallpapers

    Posted on March 1, 2013 by Pixel

    I’ve just created two Git wallpapers:

    Git Git clean

    You can also find these wallpapers and others at my wallpaper page or at my deviantART page.

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    Posted in Graphic Design | Leave a comment
    centos

    Forward Connections from Nginx to httpd in CentOS

    Posted on February 10, 2013 by Pixel

    This is a tutorial on how to forward connections from Nginx to httpd in CentOS.

    First of all, you have to edit the Nginx configuration file for the domain you want to forward. Continue reading →

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    Posted in Server | Tagged , , | Leave a comment
    java

    Manually install Sun Java on Debian

    Posted on December 26, 2012 by Pixel

    This is a tutorial on how to manually install Sun Java on Debian Linux. This may also work for other distributions but I cannot guarantee that.
    Continue reading →

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    Posted in Application Software, Operating Systems | Tagged , , | Leave a comment
    sound

    IM Sounds

    Posted on November 24, 2012 by Pixel

    Good instant messaging sounds are quite rare and I often dislike the default ones, so I searched for alternatives and found three which I want to share with you.

    They were created for Adium, but I’ve converted them to MP3 and WAV so you should be able to use them with any instant messenger.
    Continue reading →

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    Posted in Miscellaneous | Tagged , | Leave a comment