I decided to create a Smart AC watt-hour meter after experiencing a spike in my electricity bill that left me both… ...

Before today, we probably would have said that scratch-built relay computers were the sole domain of only the most wizardly of graybeards. But this impressive build sent in by [Will Dana] shows ...

The latest digital shunt sensor from Bourns is a precise ... Combined with 1,500-V DC galvanic isolation, it’s well-suited for current-sensing solutions across a wide variety of battery-related ...

After hours: February 20 at 5:42:12 PM EST Loading Chart for RLAY ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level ...

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Wearable sweat biosensors enable the non-invasive, real-time monitoring of hormones. Here, we highlight the development and commercialization of a wearable technology that can measure hormone ...

This proactive tool monitors electrical flow to help protect your home from hidden fire hazards, and might be available for free from your home insurance company Senior editor, Buy Side from WSJ ...

The Current Temperature map shows the current temperatures color contoured every 5 degrees F. Temperature is a physical property of a system that underlies the common notions of hot and cold ...

Scientists also use permanent and mobile GPS sensors to monitor changes to the surface of the polar regions. These sensors relay data on the height of glaciers, ice sheets, and ice shelves as they ...

The basic idea is that in different types of crashes, the sensors relay the message to the airbag ECU which in turn sends signals to the respective airbags and also cuts off the high-voltage system: ...