Arduino and 3D Printer opto-sensor

I was recycling one of the opto-sensors parts of the printers I took apart.
I am using the input of the Arduino to check if I can reuse them:

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3D Printer – Jun 17, 2010

In two days, I will obtain some funds to continue building the 3D printer. I must confess that I am excited.
This cash will let me obtain tools and materials that I need to work on this project.
As I explain in previous postings, building a  3D printer using recycle printers parts is like working with different puzzle sets, you need to build some pieces to put it all together.

Talking about 3D printing, I found an article in Linux Pro Magazine written by James A. Barkley about the topic.
Even do there is a lot of information on the web, especially in the website in which there are postings about 3D printing.

Since I use my blog as a kind of notepad, the follow are just some notes I am taking from the article for me:

  1. Open Source Hardware (OSH), TAPR Open Hardware License, GPL, LGPL, GPLv3, Additive Manufacturing (AM), additive techniques, additive layer manufacturing, free-form fabrication, Electrong Beam Melting units, NYC Transistor, AS220, Willoughby and Baltic.
  2. ReplicatorG [7], Sanguino, apt-get install sun-java6-jdk avrdude gcc-avr avr-libc libusb libftdil libtfdi-dev (libusb?, libftdil?)
  3. Art of Illusion (AoI), Thingiverse, TurboSquid, .stl (stereolithography), .gts, .obj, .svg, MakeOne open source,
  4. Python, Skeinforge, Makebot tutorial about Skeinforge configuration, G-Code file, CNC machines, M-Code (handling management functions), CupCake, RepRap, extruder head/noozle, PVC welding rod, spindles of ABS plastic, Fab@Home, UV-curable materials, MakerGrear, LadyAda, Adafruit, Synfig Studio, Peekabot,
  5. Distance 1mm to close burn, 1mm away might cold quicky
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