Circuit Cellar №286 2014г

Название: Circuit Cellar №286 2014
Издательство: Circuit Cellar
Год: 2014

Месяц: May
Страниц: 84
Формат: DjVu
Размер: 7.32 Мб
Язык: английский
 
"Circuit Cellar" - популярный зарубежный журнал по электронным компонентам и схемотехнике для любителей и специалистов любого уровня

MAY 2014 • ISSUE 286
 

MEASUREMENT & SENSORS

СС COMMUNITY

08 СС WORLD
10 QUESTIONS & ANSWERS Embedded Systems Consultant
By Nan Price
Elecia White on wearable electronics in health care,
device connectivity, women in engineering, and more

INDUSTRY & ENTERPRISE

16 PRODUCT NEWS
20 CLIENT PROFILE
Lemos International Technology Co., Inc. (Barrington, RI)

FEATURES

22 Remote-Control Powered Trapdoor Lift
By William Wachsmann
Build an MCU-based lift system with off-the-shelf
electrical components and IDE programming
30 A Coding Interface for an Evaluation Tool
By John Peck

This customizable ASCII interface sends commands
and receives data
38 Eco-Friendly Home Automation Controller
By Manuel Iglesias Abbatcmarco
Control household devices and upload temperature,
energy use, and other sensor data to the cloud

COLUMNS

46 GREEN COMPUTING
Data Centers in the Smart Grid
By Ayse K. Coskun

Learn how data centers can participate in smart-grid
programs that regulate power use
50 THE CONSUMMATE ENGINEER Wireless Data Links (Part 3)
Receivers and Recovery
By George Novacek
Explore low-power data receivers, signal-to-noise ratio
(SNR), and data bit recovery
58 ABOVE THE GROUND PLANE Battery Capacity and Aging
By Ed Nislcy
Testing and analyzing old and new batteries in a
four-year collection produces surprising results
66 FROM THE BENCH Passive RFID Tagging (Part 1)

Read-Only Tags
By Jeff Bachiochi
An overview of passive RFID tags, transponder circuitry,
and tag readers

TESTS & CHALLENGES

74 CROSSWORD
75 TEST YOUR EQ

TECH THE FUTURE

80 The Future of Monolithically Integrated LED Arrays
By Vincent Lee

Fabricating millions of LEDs on a single chip promises brighter micro-displays on wearable see-through glasses, vivid embedded cell phone projectors, and more