N&V May 2009
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Price: $6.00
Product ID : SKU16852




  • A Universal Direct Conversion Receiver For PSK-31 by John E. Post
    Exclusive Online Article: Decode and read text message communications being sent over shortwave amateur radio frequencies.
  • Radio Locator Beacon For Flying Objects by Dan Gravatt
    Exclusive Online Article: The locator beacon weighs about an ounce with its 12-volt A23 alkaline battery, and could be made lighter with the use of surface-mount parts. It’s also simple and inexpensive, so you can afford to build another one if necessary.
  • Analog Mathematics by Gerard Fonte
    Even in the midst of the digital revolution, there's still a place for analog mathematics to streamline your designs.


  • Build the rCube: A Talking Memo Alarm Clock by Dave Decker
    This unique talking clock and MP3 speaker can record voice memos or your favorite song for your alarm, plus it's an interactive nightlight too!
  • How to Parallel Power Supplies for Higher Output by Fernando Garcia
    Assemble this power supply for higher performance from your class-D amplifier.


  • Techknowledgey by Jeff Eckert
    TechKnowledgey 2009
    Topics covered include super charged lithium-ions, fuel cell buses, viewing Mars, plus other cool stuff.
  • Personal Robotics
    The Saga of a Sonar Station
    Follow the unique build experience of an interactive kiosk.
  • Getting Started With PICS  by Chuck Hellebuyck
    Counting Pulses with Timer 0
    Keep track of your distance traveled on the golf coarse with this counting application.
  • Q&A by Russell Kincaid
    Reader Questions Answered Here
    Analog tachometer, calulated inductance, soft start AC circuits, plus more.
  • Smiley’s Workshop by Joe Pardue
    Smiley’s Workshop: Moving Beyond Arduino (Part 10)
    Converting Arduino programs into regular C programs that can be used with the official Atmel software.
  • Stamp Applications by Jon Williams
    Spinning Up Embedded Control Projects
    Get in touch with your Propeller side.
  • The Design Cycle by Fred Eady
    And Now, A Riff From Jeff Beck
    Designing a wireless guitar.
  • Near Space by L. Paul Verhage
    Your Own Micro Datalogger
    Build a bigger and more powerful flight computer.

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