Circuit Cellar Issue 201 April 2007-PDF

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Issue #201
April 2007
Theme: Embedded Programming

TASK MANAGER—The Cruelest Month?, by C. J. Abate, p. 4
NEW PRODUCT NEWS—edited by John Gorsky, p. 8
ATir Keyboard Interface, by Steven Savage, p. 12
Java-Based EarthBox Watering System, by Tom Kibalo, p. 20
Build a Three-Axis CNC Mill Machine, by Gordon Dick, p. 28
Reverse-Engineered ECP Bus, by Miguel Sanchez, p. 38
Uncomplicated RF Communication, by Fred Eady, p. 45
Generic Modbus Simulator (Part 2): Create a Modbus Master using Visual Basic 2005, by Aubrey Kagan, p. 60
ABOVE THE GROUND PLANE—Battery Capacity, by Ed Nisley, p. 56
FROM THE BENCH—Local Interconnect Network, by Jeff Bachiochi, p. 70
SILICON UPDATE—USB: (Wire)Less is More, by Tom Cantrell, p. 78
PRIORITY INTERRUPT—Only Real Events Lead to Real Trends, by Steve Ciarcia, p. 96