U of M Builds Tiny Solar-Powered Sensor

A team from the University of Michigan has developed a minute solar-powered sensor that provides almost continuous energy. Small as it is at 2.5 x 3.5 x 1mm, it has an ARM Cortex-M3 processor, solar cells and battery. With a low power microcontroller, it uses 2,000 times less energy in sleep mode than current ones. The sensor spends most of its time in that mode and wakes up long enough to take measurements. Planned for biomedical implants and monitoring buildings, its average power consumption claim is less than 1 nanowatt.

Via MSNBC

Read More in: Solar Science

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