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N&V January 2012

N&V January 2012
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Product ID : SKU17091

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Description

Features

  • The Radio Whisperer by George R. Steber
    Learn about the methodology behind WSPR (weak signal propagation reporter) software.

Projects

  • Build a Stereo Gain Controller by Dev Gualtieri
    Tired of being blasted off your seat by excessive audio volume when you switch television channels or when the commercials come on? To mitigate such unnerving changes in program audio, a popular automatic volume controller from the vacuum tube era was updated to today's technology. This circuit is also useful in home recording.
  • Build the Garage Door Closer by Brian Beard
    Leave your garage door open? No problem! This handy device will close it automatically for you. (Plus, you don’t even have to remember to replace batteries in this unit.)
  • Build a USB Volume and Mute Controller for Your PC by Richard Dzioba
    Now you can do things like listen to music on your laptop with the lid closed because volume control is now accessible externally.

Columns

  • Techknowledgey by Jeff Eckert
    TechKnowledgey 2012
    Find out how to upgrade your iPad 2 with a keyboard case, take 4-D photos, and if Bing is losing big (it is), along with other pretty interesting stuff.
  • Near Space by L. Paul Verhage
    Near Space
    Global Positioning System Simulator, Ver 2.0.
  • Q&A by Russell Kincaid
    Reader Questions Answered Here
    Questions on flickering lamp circuits, water softeners, and USB testers are just some of the things talked about this time.
  • Fundamentals For Beginners
    Build a Variable Timer
    This is an adjustable timer circuit.
  • Smiley’s Workshop by Joe Pardue
    Smileys Workshop: An AVR C Programming Series (Part 42)
    Breadboard LCD Navigator Part 1: the LCD.
  • The Spin Zone by Jon Williams
    The Spin Zone
    Prop Talk.
  • The Design Cycle  by Fred Eady
    The Design Cycle
    MPLAB's X Factor.

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