10 TechKnowledgey 2009
Events, Advances, and News
Topics covered include tapping tree power,
a dual monitor laptop, subminiature
pushbutton switch, plus other stuff.
14 The Spin Zone
Adventures in Propeller Programming
Do it up with DMX.
20 Near Space
Approaching the Final Frontier
A near space environment chamber update.
Projects & Features
34 Computer to Computer Link
Using Laser Pointers
Establish serial communications between
computers or microcontrollers over
low power laser beams.
■By Ed Ringel
40 Phone Ring-A-Thing Control
Use your cell phone and this device as a
receiver/decoder system to perform
■By John F. Mastromoro
44 Experiments with
Learn the fundamentals of renewable
energy through this educational series.
This month: Build a Double Wide Sun Tracker.
■ By John Gavlik
Reader Questions Answered Here
Fish feeder project, ferrite core search,
flashing light alarm, plus more.
49 The Design Cycle
Advanced Techniques for Design Engineers
Take an IO-Warrior into your next
56 Getting Started With PICs
The Latest in Programming Microcontrollers
61 Personal Robotics
Understanding, Designing &
Persistence pays off when dealing
with problematic projects.
67 Smiley’s Workshop
An AVR C Programming Series
Typing up some loose Arduino ends.
6 November 2009
32 NEW PRODUCTS
72 NV WEBSTORE
78 TECH FORUM
81 AD INDEX
Nuts & Volts (ISSN 1528-9885/CDN Pub Agree #40702530) is published monthly for $26.95 per
year by T & L Publications, Inc., 430 Princeland Court, Corona, CA 92879. PERIODICALS POSTAGE
PAID AT CORONA, CA AND AT ADDI TIONAL MAILING OFFICES. POS TMASTER: Send
address changes to Nuts & Volts, P. O. Box 15277, North Hollywood, CA 91615 or Station
A, P. O. Box 54, Windsor ON N9A 6J5; email@example.com.