N&V April 2009

N&V April 2009
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Price: $6.00
Product ID : SKU16842




  • A Practical Guide to Using A Bitscope by Michael Simpson
    Exclusive Online Article: A computer-based scope called the BitScope.
  • Steinmentz Father of Elec Engineering by Vaughn D. Martin
      Exclusive Online Article: Historians often miss inventor’s most important inventions — and even miss great inventors altogether!
  • A Primer on Phase Locked Loops by Gerard Fonte
    Learn the fundamental principles that PLL circuits embody and try your hand at a couple applications.


  • Inductive Proximity Sensors Part 2 by Beau Schwabe
    As promised last month, the two different operation modes will be explained, as multople coils in a differential sensor approach are used.
  • Build the RetroGame by Eric Rothfus
    Build it, play it, and re-master your skills at Retro Rover and Retris.


  • Techknowledgey by Jeff Eckert
    TechKnowledgey 2009
    Topics covered include "meat" for robot brains, rodent power, dangerous printer particles, plus other cool stuff.
  • The Design Cycle by Fred Eady
    The Design Cycle
    Older language, newer interface.
  • Q&A by Russell Kincaid
    Reader Questions Answered Here
    Softening up a table saw, returning light to Christmas, high voltage generation, plus more.
  • Personal Robotics by Vern Graner
    Robot Art
    In an attempt to explore some of the interesting and inspiring ways art and technology intertwine, this month we will focus on a number of works from some talented technoartisans who have used technology and robotics to pursue their muse in interesting and ingenious ways.
  • PICAXE Primer by Ron Hackett
    Taming Unruly LCDs: Part 1
    In the previous installment of the PICAXE Primer, I said we would turn our attention toward interfacing our Master Processor with inexpensive LCD displays based on the Hitachi HD44780 controller.
  • Smiley’s Workshop by Joe Pardue
    Smiley’s Workshop: The Arduino Way (Part 9)
    Coming up to speed with the Arduino — Going back before we go forward.
  • Open Communication by Louis E. Frenzel
    Wireless Made Easy with a New Kit
    Think of your TV remote control, garage door opener, remote keyless entry on your car, and other wireless devices you use daily. Now you can bring that convenience and functionality to other projects.

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