The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for installation.
u2028The Aqara Presence Multi-Sensor FP300 is now available worldwide via Aqara’s website, official retailers, and Amazon ...
Researchers at the University of Arkansas and the University of Michigan have reported the first use of ultra-low power ...
Most residences and commercial buildings in the United States currently use an old-style electromechanical utility power meter to track electricity use. The meters are reliable and cheap but ...
Utility power meters often must rely on a current transformer for polyphase applications. Current transformers have drawbacks, however. They are relatively expensive and require additional copper ...
Researchers at the Beijing Institute of Nanoenergy and Nanosystems have developed a means of creating a wood-based triboelectric self-powered smart home sensor. Basically, it can harness the energy ...