Circuit Cellar Issue 260 March 2012-PDF

Issue #260
March 2012
Theme: Robotics

TASK MANAGER— Creativity in Design, by C. J. Abate, p. 4
NEW PRODUCT NEWS, p. 8
TEST YOUR EQ, p. 15
CROSSWORD, p. 74
Robot Navigation: Position Determination from Acoustic Delay Triangulation, by Larry Foltzer, p. 20
All‐in‐One Joystick: Build a Propeller‐Based TV Gaming Platform, by Chris Cantrell, p. 28
The Rainbow Color Reader (Part 1): A Talking Color Identifier for the Visually Impaired, by Charles Edmondson, p.
36
The NakedCPU (Part 2): Experimentation and Communication, by Alexander Pozhitkov, p. 42
THE CONSUMMATE ENGINEER— Microelectronic Component Obsolescence: How to Prepare for an Inevitable
Scarcity of Parts, by George Novacek, p. 50
EMBEDDED UNVEILED— Infrared Thermal Detectors, by Richard Wotiz, p. 54
LESSONS FROM THE TRENCHES— Printer Port Connections, by George Martin, p. 60
FROM THE BENCH— Wheel‐Free Mobile Robots, by Jeff Bachiochi, p. 64
PRIORITY INTERRUPT— A Rose by Any Other Name..., by Steve Ciarcia, p. 80