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N&V November 2009

N&V November 2009
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Description

Projects

  • Computer To Computer Link Using Laser Pointers by Ed Ringel
    Establish serial communication between computers or microcontrollers over low power laser beams.
  • Phone Ring-A-Thing Control by John Mastromoro
    Use your cell phone and this device as a receiver/decoder system to perform remote functions.
  • Experiements with Alternative Energy by John Gavlik
    Learn the fundamentals of renewable energy through this educational series. This month: Build a Double Wide Sun Tracker.

Columns

  • Techknowledgey by Jeff Eckert
    TechKnowledgey 2009
    Topics covered include tapping tree power, a dual monitor laptop, subminiature pushbutton switch, plus other stuff.
  • The Spin Zone by Jon Williams
    Do It Up With DMX
    Even if you’ve never heard of DMX512-A (DMX), chances are you’ve seen it in action. Where? At any large stage production. Concerts and plays are big users of DMX-controlled lighting.
  • Near Space by L. Paul Verhage
    A Near Space Environment Chamber Update
    Sometimes it’s difficult to leave things well enough alone. Occasionally, this is to my detriment as I can makes things worse off than they were originally.
  • Q&A by Russell Kincaid
    Reader Questions Answered Here
    In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist. Feel free to participate with your questions, comments, or suggestions. Send all questions and comments to: Q&A@nutsvolts.com.
  • The Design Cycle by Fred Eady
    Take An IO-Warrior Into Your Next Embedded Battle
    We are all used to stuffing code into a microcontroller to enable our embedded applications. This month, the tables are turned. The microcontroller work has been done for us and we must perform some Bill Gates C++ coding to force bits back and forth across the USB pipe.
  • Getting Started With PICS by Chuck Hellebuyck
    Eight-Pin Projects
    I recently received a development setup that I found quite interesting, as it’s targeted at my favorite audience — the beginner market. It is called the CHIPAXE system.
  • Personal Robotics by Vern Graner
    Try, Try Again
    My direct experience has taught me that nothing is ever as easy as it looks. Experience has also taught me that when things get complicated, a methodical and consistent approach is typically the best course of action.
  • Smiley’s Workshop by Joe Pardue
    Smiley’s Workshop: Arduino, Some Loose Ends (Part 16)
    Tying up some Arduino loose ends before moving on. External Interupts, Arduino IDE Serial Monitor, Optical Isolation of Voltages.

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