Vol. 26 No. 1
PROJECTS and FEATURES
COLUMNS
36
SIMPLE SHADED POLE AC
MOTOR
Power your projects with a twist.
by Richard Panosh
42 THE EVER-SHRINKING µC,
PART 2
More exploration of the PIC10F.
by Peter Best
50
CALCULATING CURRENT
LED circuits, the easy way!
by Mark Dobrosielski
59 VIDEO BASICS
Understanding what you see.
by Keith Jack
65
PID CONTROLLER, PART 1
Proportional Integral Derivative
control explained.
by Aaron Dahlen
71
INTERNET AND THE PCB
An insider’s view on the collison
of these two forces.
by Robert Schnyder
8 MICRO MEMORIES
Yamaha’s early music computer.
14
Q&A
Doorbell circuits; gel-cell
answers; Geiger meter; and
more.
22
NEAR SPACE
Hack cell phone batteries for
hobbyist uses.
28
LET’S GET TECHNICAL
Pseudo-random frequency
hopping.
76
STAMP
Enigmatic interrupts.
JANUARY 2005
p. 59
84 TECHKNOWLEDGEY 2005
Virus-sensing oscillator; what’s
under your hood; and more.
88
IN THE TRENCHES
Considerations for analog to
digital conversion.
p. 50
p. 65
DEPARTMENTS
p. 76
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JANUARY 2005