ISSN 2330-717x


The UW team used ambient signals from this Wi-Fi router to power sensors in a low-resolution camera and other devices. Credit: Dennis Wise/University of Washington

Powering The Next Billion Devices With Wi-Fi

University of Washington engineers have developed a novel technology that uses a Wi-Fi router — a source of ubiquitous but untapped energy in indoor environments — to power devices. The Power Over Wi-Fi (PoWiFi) system…