N&V August 2012

N&V August 2012
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Price: $6.00
Product ID : SKU17135




  • A Proper Ringing of the Bells by Chris Watson
    See the art of engineering at work when an older system for ringing church bells needed a makeover.
  • Design a Customized Security System Using RobotBASIC by Samuel Mishal, John Blankenship
    Implementing a custom security system for your home can be intimidating — unless you have the right software. This article guides you through the basic principles so you can design exactly what will work for you.


  • Build the Voltage Mirror by Jim Stewart
    A glass mirror gives an exact copy of an image but with left and right swapped. A voltage mirror gives a copy of the input voltage but with the polarity swapped.
  • Build the Mystery Solar Powered Pendulum by David Williams
    This device is a wonderful demonstration of clean, green solar power and is based on BEAM technology. It was inspired by the Magbot pendulum project in Dave Hrynkiw’s book titled, Junkbots, Bugbots & Bots On Wheels — which you can buy in the Nuts & Volts Web store!
  • Build the Alarm Autodialer by Dan Gravatt
    This device will detect and report several common failures with household systems, so you can deal with them while they are still easy to fix. It's inexpensive ($60 or less, depending on your parts collection), easy to build, and doesn't require any contracts with monitoring services.


  • Techknowledgey by Jeff Eckert
    Events, Advances, and News
    Read about a new PC for bottom-feeders, an automotive mystery that gets solved, the vacuum tube as the next high tech breakthrough ... plus some other interesting stuff.
  • PICAXE Primer by Ron Hackett
    Further Explorations With PICAXE Temperature Measurement
    In this month's Primer, we're going to continue our explorations of temperature measurement with PICAXE processors, but before we get to that, I want to give you an update on my "Freezer Alarm" project.
  • Q&A by Russell Kincaid
    Reader Questions Answered Here
    Send all questions and comments to: Q&
  • Smiley’s Workshop by Joe Pardue
    Fritzing With the Arduino — Part 1
    Fritzing is a very novice-friendly open software package that you can use to design shields for Arduinos. Even though it is still in beta, it has many very interesting and useful features.
  • Open Communication by Louis E. Frenzel
    M2M — Machine-to-Machine Communications
    M2M is essentially automatic communications between two “things.” An example is a vending machine sending data to a remote computer indicating that it needs refilling and the money box needs emptying.
  • The Design Cycle by Fred Eady
    Putting Basic4android in the Driver’s Seat
    I'm a programmer and the Android devices are programmable. If you're interested in plugging into that intelligent Android brick you call a phone, get in the truck.

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