Vol. 26 No. 4
PROJECTS and FEATURES
COLUMNS
38
MEASURING THE SPEED OF
LIGHT
Clocking the Cosmos for Less Than
$20.00
by Gerard Fonte
62
PIC Video
Part 1: Video Test Overlay with
a PIC Microprocessor
by Robert Lang
8 OPEN COMMUNICATION
The Magic of Antennas
69
16 TECHKNOWLEDGEY 2005
Events, Advances, and News from the
Electronics World
46
BUILDING A PULSE
GENERATOR
Design, Troubleshoot, and Calibrate
Electronic Circuits
by Robert Reed
SCROUNGING FOR
PARTS
Safety, Rarity, Quality, Wick,
Diversity, and Storage
by Daniel Bartlett
20
PERSONAL ROBOTICS
LEGO My ...
72
24
50
UNIVERSAL RELAY BOARD
The Applications are Limitless
by Michael Jeffery
THE SOLAR
ALTERNATIVE
Using Solar Cells on Small
Projects is a Bright Idea.
by Ralph Lorenz
Q&A
Extending relay contact life, a 20-watt
stereo amp, model RR props, and a
geography brain teaser
30
DESIGN CYCLE
A PIC-based Wi-Fi Development
Platform
APRIL 2005
78
p. 72
p. 30
p. 62
p. 50
p. 46
STAMP APPLICATIONS
No-contact Access Control Explained
84
IN THE TRENCHES
Project Engineering Tasks
DEPARTMENTS
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6 Reader Feedback
44 Electro-Net
56 NV Bookstore
59 New Products
60 Electronics Showcase
90 Classifieds
92 News Bytes
93 Tech Forum
97 Advertiser’s Index
4
APRIL 2005