Circuit Cellar Issue 203 June 2007-PDF

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Issue #203
June 2007
Theme: Communications

TASK MANAGER—Projects, Projects, and More Projects, by C. J. Abate, p. 4
NEW PRODUCT NEWS—edited by John Gorsky, p. 8
Network of Keypads, by Dhananjay Gadre, Anurag Chugh, Parag Shah & Sneha Lele, p. 16
Video-Based Motion Sensor, by Naubert Aparicio, p. 24
Dew Point Monitor, by Peter Gibbs & Ramon Sargeant, p. 32
Slave Flash Trigger, by Aleksander Borysiuk, p. 38
USB-Controlled Pulse Generator, by Alan Hunt, p. 46
LIN-Based Ultrasound Parking Assistant, by Victor Kremin & Valeriy Kyrynyuk, p. 58
Power Supply Design: A PID-Based SMPS, by Fred Eady, p. 67
ABOVE THE GROUND PLANE—Practical Photomicrography, by Ed Nisley, p. 71
FROM THE BENCH—Gearing Up to Go the Distance: Slotted Optical Switches, by Jeff Bachiochi, p. 75
SILICON UPDATE—Rock 'Em, Clock 'Em, by Tom Cantrell, p. 80
PRIORITY INTERRUPT—Technical Merit, by Steve Ciarcia, p. 96