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N&V March 2015

N&V March 2015
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Price: $6.00
Product ID : SKU17298

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Description

Features

  • Beyond the Arduino by Andrew Retallack 
    Ready to cut the apron strings and discover what it’s like to work directly with a microcontroller? This series will help you down that road less travelled.
  • Give Your Sound a Boost — Amplifier Modules to Power Your Project’s Audio by J.W. Koebel 
    Want to hear about a way to add sound to your project? Then, check out this review on a selection of low to mid power amplifier modules from Parts Express.
  • A Look at the 23rd Annual “Last” Chicago CoCoFEST! by Salvador Garcia 
    So, what’s the big deal about a vintage computer expo in this modern world of Windows, Androids, and iPads? Not only does this event highlight the TRS-80 Color Computer, but it also showcases a unique fusion of old and new technology.

Projects

  • Build a Frequency Counter by Jim Teixeira 
    Frequency counters have been around for years as a standard piece of test equipment in both commercial and hobby labs. If you need one for your workshop, take a gander at the one presented here.
  • A Cost-Effective Traffic Light Controller by Alan Grambo 
    This project spotlights how sometimes the good old fashioned way is the most efficient when constructing circuits.

Columns

  • Q&A by Tim Brown
    Reader Questions Answered Here
    Find out how to fix burn marks on LCD screens and whether or not to go with CFLs or LEDs.
  • PICAXE Primer by Ron Hackett
    USB-to-Serial Adapters Revisited
    Explore a hardware solution that allows you to use a wide variety of relatively inexpensive USB-to-serial adapter cables in PICAXE breadboard projects.
  • The Ham’s Wireless Workbench by H. Ward Silver
    Oscillators
    Every signal begins with an oscillator — which is a key element in ham radio to generate, mix, and extract the info from these signals. This time, see how to make an audio oscillator, plus learn about common RF types.
  • Open Communication by Louis E. Frenzel
    New Short-Range Wireless Standards Target IoT Applications
    Now, it is easier than ever to connect devices over the Internet with the features available in upgraded versions of Bluetooth and ZigBee.
  • The Design Cycle by Fred Eady
    A Blueprint for Embedded Wi-Fi
    Last month, we discovered that the Numbat Wi-Fi module on the Moray development board can take care of itself in the wild. However, you can’t Wi-Fi in the woods if you have to be attached to the USB port of a laptop. This month, we will replace the USB cable, laptop, and terminal emulator with a simple PIC microcontroller and some tricky CCS C code.

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