Circuit Cellar Issue 238 May 2010-PDF

Issue #238
May 2010
Theme: Measurement & Sensors

TASK MANAGER—The Future Is Now, by C. J. Abate, p. 4
NEW PRODUCT NEWS—edited by John Gorsky, p. 8
TEST YOUR EQ—p. 13
CROSSWORD—p. 74
The FreeSpace IMU: A Quaternion-Based Algorithm for Attitude Estimation, by TJ Bordelon, p. 14
INTELLIGENT ENERGY SOLUTIONS—Home Automation for an Energy-Efficient House (Part 1): System Design and Server Software, by Stefan Siegel, p.26
Portable Network Service Monitor, by Alexander Popov & Peter Popov, p. 36
OAE Probe Amp and Intercom (Part 1): System Planning and Design, by Chris Paiano, p. 44
Cailbrated Decibel Meter Design, by Larry Cicchinelli, p. 46
LESSONS FROM THE TRENCHES—Putting C Language to the Test (Part 2): Program Specifics, by George Martin p. 54
FROM THE BENCH— Machine Control: Customize and Implement MCU-Based Control Circuitry, by Jeff Bachiochi, p.60
SILICON UPDATE—IC Therefore IR, by. Tom Cantrell, p. 66
PRIORITY INTERRUPT—Electronic Alzheimer’s, by Steve Ciarcia, p. 80