Researchers have developed a battery-free sensor that reacts to sound waves, such as particular spoken words, producing enough vibrational energy to power an electronic device. The novel sensor would ...

Xiaomi today launched a new sensor on its Youpin crowdfunding platform called the “Xiaomi People’s Presence Sensor.” The sensor promises accurate detection of ...

Why a better current sensor for EVs is advantageous. How a diamond-based quantum sensor may be suitable. Test results for this sensor. Measuring a physical attribute such as voltage or current with ...

Have you ever worried about your phone or car battery overheating? With lithium-ion batteries powering everything from smartphones to electric vehicles, safety has become a significant concern for us ...

Working to automate your smart home with better security? Aqara recently updated its Motion Sensor for HomeKit, renaming it the Motion Sensor P1 and adding sensitivity modes and longer battery life — ...

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