Nuts & Volts - January 2005

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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