N&V August 2014

N&V August 2014
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Price: $6.00
Product ID : SKU17260




  • ISaAC — A New Add-on Adapter for the Raspberry Pi by Tom Kibalo, Ben Kibalo
    Enhance your Pi projects with this ultimate interface board that increases all kinds of functionality.


  • Frequency Counters and Retrofitting by Robert Reed
    Even the lowest grade frequency counters are often the most accurate instruments on the test bench. This article will describe their general principle operation, but more specifically on the construction and retrofitting into existing equipment such as the sweep generator and RF signal generator covered in recent issues. Plus, we'll take a look at expanding added features, all the way to a full blown universal counter.
  • The Versatile Wireless Doorbell by Frank Muratore
    Advances in technology often decrease price points, but not usefulness. See how to turn one circuit into several devices that most homeowners would find invaluable.
  • USB, LEDs, and Some Sensors by William Pippin
    Turning LEDs on and off is fun and all, but why not add a sensor or two that would be useful for something other than the usual light show?


  • PICAXE Primer by Ron Hackett
    Build an Auto-Off Continuity Tester
    Follow through a few experiments to construct a PICAXE-based auto-off continuity tester that will help save money on batteries.
  • The Design Cycle by Fred Eady
    Finishing Touches
    We have finally eaten most all of that elephant we started cooking a couple of issues back. This month, we will add touch and audio routines to our FT800 driver. By the time you have digested this edition of Design Cycle, you will be able to command the FT800 to draw buttons and text, detect touch events, and generate audio.
  • Smiley’s Workshop by Joe Pardue
    The Arduino Classroom. Arduino 101/Chapter 8: Displaying Information.
    Learn a bunch while blinking a lot of LEDs, then see how to make the world’s smallest moving message sign with seven-segment displays.
  • Open Communication by Louis E. Frenzel
    White Space Wireless Ready for New Services
    It is no secret that we are running out of spectrum space for certain new and/or improved wireless services. One potential solution for this can be found in the white space spectrum.

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