Power management issues in energy harvesting wireless sensor networks
May 12, 2010 // Pierre Mars
Wireless sensor networks (WSNs) are becoming ubiquitous as they can solve problems in many applications. In building control, WSNs use light energy or RF energy to power motion detectors which turn off lights if nobody is detected in a room, to dim lights depending on the light level in a room, and to sense and report temperature for air conditioning or heating. In industrial control, WSNs use vibration energy or thermal energy to monitor and report the condition of rotating machines. In location tracking, they use vibration energy to enable GPS to sense and the cellular network to report the position of containers, trucks or rail cars.
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This month, Cherry is giving away five of its Energy Harvesting Evaluation kits, worth over 266 Euros each, for EETimes Europe's readers to win. Cherry's energy harvesting technology benefit mostly applications where a complex wire assembly and/or batteries would be inappropriate.
The required RF-energy is created by the mechanical actuation of the switch and the data is transmitted...MORE INFO AND LAST MONTH' WINNERS...
December 15, 2011 | Texas instruments | 222901974
Unique Ser/Des technology supports encrypted video and audio content with full duplex bi-directional control channel over a single wire interface.