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Build The Transistor Clock
Properly Selecting Electronic Components
by Vaughn D. Martin
If you want your circuits to work right, you gotta have the right components for the job. This tutorial will help you make sure you know what you're doing. Page 48
How To: Intro to Heatsink Selection and Installation
by John E. Post
Learn how to not get burned on your next build. Page 56
The Arch-Ball Clock
Electronic Gadgets
by Elza Simpson
This is one for the most unique approaches ever for keeping track of time. Page 38
Transistor Clock
Electronic Gadgets
by Keith Bayern
If somehow the Arch-Ball clock didn't strike your fancy, you won't be able to "resist" this amazing design. Page 42
Techknowledgey
by Jeff Eckert
Techknowledgey 2009
Topics covered include harnessing antimatter, eye-to-robot interface, Intel fined $1.45 billion, plus other info you won't want to miss. Page 12
The Spin Zone
by Jon Williams
Loving LEDs Again
The Stamp Applications column has evolved into Propeller based projects now! This month, you'll be loving LEDs again. Page 16
Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop: An AVR C Programming Series (Part 12)
AVR learning platform projects. Page 22
Q&A
by Russell Kincaid
Q & A
Voltage conversion, understanding thermal lag, software-based power control, plus more. Page 32
Personal Robotics
by Vern Graner
The Probotix Fireball V90 CNC Visited
In that article, we detailed the PROBOTIX Fireball v90 — one of the first high-accuracy/sub-$1,000 CNC systems on the market. Page 60
Getting Started With PICS
by Chuck Hellebuyck
Improving the PICKit 2 Development Board
The one thing I always wanted to add was a breadboard area, so I modified the development board included with the Starter Kit — it’s called the low pin count development board. Page 68
The Design Cycle
by Fred Eady
Kids CAN Love Engineering
This year’s science station consisted of a Lenovo NetBook coupled to a USB-to-CAN bridge. The goal was to introduce the students to a working network they could actually see and touch. Page 74
Near Space
by L. Paul Verhage
GPS Simulator for Missions to Near Space
What I need is a convenient GPS simulator that will let me test a flight program on the ground. In this article, I’ll describe what I came up with. Page 82
Developing Perspectives
by Bryan Bergeron
Please visit our Developing Perspectives blog to read the full article and comment. Page 8
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