N&V February 2009

N&V February 2009
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Price: $6.00
Product ID : SKU16820




  • FPGAs at the Command Line by Bob Smith
    The problem with using Field Programmable Gate Arrays is that you have to learn a design language and then set up a fairly complex development environment to write programs in. That problem is addressed here.
  • Power MOSFETs Part 2 by Gerard Fonte
    This time, we'll build two projects. The first is a transformerless voltage doubler that takes a DC voltage from 12 to 30 volts and doubles it. Unlike most other voltage doubler circuits, this design can supply amps of current. The second project uses a power MOSFET in a linear (rather than switching) application.
  • A Touch of Spice Part 3 by Peter Stonard
    In this final part, take a look at oscillator circuits that create their own signal during simulation.
  • How To: A Guide to Soldering by James Antonakos
    Never soldered before? Now you can learn how!


  • Garage Access Goes Digital by Jay Carter
    Keypad access is a great convenience and with this unit you can trigger activiation of up to two.
  • High Resolution Time-Lapse Movies Using a Still Camera by Balakumar Balasubramaniam
    CamTim is a digital hack to convert your camera into a high-res time-lapse camcorder.
  • Makin’ MIDI with mistrIXG by Steve Russell
    mistaIXG is a USB connected, PIC-basd synthesizer that will help you turn your computer into a music machine.


  • Techknowledgey by Jeff Eckert
    TechKnowledgey 2009
    DNA analysis, owning a Cray, Navaztags explained, plus more.
  • PICAXE Primer by Ron Hackett
    Implementing a serial data link with the IR multi-board
    This month, we're going to resolve the problem of the missing keypresses that we had last time with our SIRC system and then move on to accomplishing our final goal for the IR Multi-Board.
  • Open Communication by Louis E. Frenzel
    Converting To Digital TV
    Fun with converter boxes and antennas.
  • Q&A by Russell Kincaid
    Reader Questions Answered Here
    CO2 laser power supply, a cycling circuit, LED replacement of incandescent bulbs, more.
  • The Design Cycle by Fred Eady
    A Reasonable Replacement For RS-232
    I'm going to include USB interfaces on subsequent Design Cycle projects that require serial communications with a personal computer.
  • Smiley’s Workshop by Joe Pardue
    Smiley’s Workshop: The Wearable Alarm Clock (Part 7)
    Binary Coded Decimal (BCD) for the wearable alarm clock, functions, and variables.
  • Near Space by L. Paul Verhage
    The Great Plains Super Launch 2008
    GPSL — or The Great Plains Super Launch — is the largest annual amateur near space launch, and takes place every summer. This year, Near Space Ventures and CAP'n'Space hosted GPSL in Liberty, MO on August 1-2.
  • Personal Robotics by Vern Graner
    Pneumatics In Robotics
    Let's dip our toe into some possibly unfamiliar waters as we explore the world of electronically controlled pneumatic actuators for hobby robotic and animatronic mechanisms.

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