A low-voltage electronic circuit that senses upper and lower water levels is often used for alarms and sump-pump activation. Since an electronic sensor has no moving mechanical parts, it ...

A sensor under development by researchers at the Eindhoven University of Technology in the Netherlands takes inspiration from how plants draw water out of the earth. Designed to take medically ...

[Greg] knows this feeling quite well, having returned home to a sopping wet floor and ... would monitor the water level using an IR sensor. The circuit simply shuts off the pump if the water ...

Description of water sensor: in most houses, water is first stored in an underground tank (UGT) and from there it is pumped up to the overhead tank (OHT) located on the roof. People generally switch ...

For continuously gathering information on ocean conditions, one thing that's been proposed is a network of sensors that would transmit data from the sea floor ... the water, to the sensor.