The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for installation.

Freescale Semiconductor today introduced the MM912J637 intelligent battery sensor (IBS), which accurately measures the voltage, current and temperature of lead-acid batteries and calculates the ...

Researchers created the first ultra-low power temperature sensor using graphene solar cells, a step toward long-lasting, self ...

One of the things that researchers and designers hope to achieve are sensors that can gather power from their environment rather than needing a battery. Batteries eventually run down requiring ...

ABLIC’s battery-less water leak detection sensor extends the communication range by approximately two times that of its ...