Beating battery drain: Power-conserving chip may increase smartphone battery life

Stream video on your smartphone, or use its GPS for an hour or two, and you'll probably see the battery drain significantly. As data rates climb and smartphones adopt more power-hungry features, battery life has become a concern. Now a technology developed by MIT spinout Eta Devices could help a phone's battery last perhaps twice as long, and help to conserve energy in cell towers. The primary culprit in sm ...

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Arduino + Android Projects for the Evil Genius: Control Arduino with Your Smartphone or Tablet by Simon Monk E-Book

Introduction Reveals how to create Arduino devices and control them with Android smartphones and tablets Features several home automation devices for controlling home heating and lighting, locking and unlocking doors, and more Includes the author's exclusive sound-based link for enabling communication between Arduino and Android Explains the theory behind the projects and gives readers the information they ...

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