Researchers create temperature sensor that runs on almost no power
It could reduce the power requirements of thing like wearables.
Tiny wireless sensor never needs a battery
This minuscule temperature sensor gets power from its own wireless networking.
Wireless Sensor Tags alert you to movement and temperature changes, fit on your keyring
There's plenty of sensor gear around for hobbyists to play with, but not so many polished products...
Researchers develop tiny, autonomous piezoelectric energy harvester
Folks have long been using piezoelectric devices to harvest energy in everything from dance floors t...