An 0.9 x 1.2", Low Power, Energy-Harvesting System with Custom
Multi-Channel Communication Interface
Phillip Stanley-Marbell and Diana Marculescu.
In
Proceedings of the conference on Design, Automation and Test in Europe, DATE '07,
April 2007.
ABSTRACT
Presented is a self-powered computing system, Sunflower,
that uses a novel combination of a PIN photodiode array,
switching regulators, and a supercapacitor, to provide a
small footprint renewable energy source. The design provides
software-controlled power-adaptation facilities, for both
the main processor and its peripherals. The system's power
consumption is characterized, and its energy-
scavenging efficiency is quantified with field measurements
under a variety of weather conditions.
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