By analyzing those patterns, an onboard Raspberry Pi microcomputer is able to determine the current water level to within an accuracy of plus or minus ~1.5 cm (0.6 in).

A low-cost (~$100), do-it-yourself (DIY) ultrasonic water level sensor/datalogger has been designed, constructed, and tested for use in education, citizen/community science, and research settings. The ...

A team of researchers has developed a low-cost sensor that can detect the changes in river height to provide wide-area flood warnings. The Raspberry Pi Reflector (RPR) was designed by a team of ...

These cameras are located at critical locations to complement existing sensors feeding into StormSense, a network of coastal water-level sensors. Virginia Beach played a key role in establishing ...

Researchers at Rice University have engineered E. coli to act as living multiplexed sensors, allowing these genetically modified cells to detect and respond to multiple environmental toxins ...

University of Texas researchers created a non-invasive wearable device using bioimpedance technology to track hydration ...

Nitrate levels in some of the state’s waterways are among the highest in the nation, as a recent study finds Iowa’s ...

Adroit general manager Guy Macpherson said the new high-tech monitoring system is the most comprehensive example of ...

Accumulation of this drug in the body can result in various health problems, and levels in blood, water, meat and milk, among others, need to be monitored.