Everything for Electronics

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April 2009

Nuts and Volts Magazine

Build The RetroGame



A Practical Guide to Using A Bitscope

EXCLUSIVE-ONLINE ARTICLE. A computer-based scope called the BitScope.

Charles Steinmetz, The Father of Electrical Engineering

Learn about the man who always wanted to help everybody.

A Primer on Phase Locked Loops

Learn the fundamental principles that PLL circuits embody and try your hand at a couple applications.


Inductive Proximity Sensors Part 2

As promised last month, the two different operation modes will be explained, as multople coils in a differential sensor approach are used.

Build the RetroGame

Build it, play it, and re-master your skills at Retro Rover and Tetris.


by Jeff Eckert
TechKnowledgey 2009
Topics covered include "meat" for robot brains, rodent power, dangerous printer particles, plus other cool stuff.

The Design Cycle
by Fred Eady
The Design Cycle
Older language, newer interface.

by Russell Kincaid
Softening up a table saw, returning light to Christmas, high voltage generation, plus more.

Personal Robotics
by Vern Graner
Robot Art
In an attempt to explore some of the interesting and inspiring ways art and technology intertwine, this month we will focus on a number of works from some talented technoartisans who have used technology and robotics to pursue their muse in interesting and ingenious ways.

by Ron Hackett
Taming Unruly LCDs: Part 1
In the previous installment of the PICAXE Primer, I said we would turn our attention toward interfacing our Master Processor with inexpensive LCD displays based on the Hitachi HD44780 controller

Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 9: The Arduino Way
Coming up to speed with the Arduino — Going back before we go forward. Part 9

Open Communication
by Louis E. Frenzel
Wireless Made Easy with a New Kit
Think of your TV remote control, garage door opener, remote keyless entry on your car, and other wireless devices you use daily. Now you can bring that convenience and functionality to other projects.


The Art of Diagnosis
by Bryan Bergeron
Don't get frustrated by non-working circuits. Embrace them!