[Renzo Mischianti]’s friend has to keep a water tank topped up ... with a solar-powered sensor that communicates over LoRa, and a controller that receives the water level readings and powers ...

These devices have key drawbacks. Water level indicators require manual pump operation and often waste power as multiple LEDs ...

Directly adjacent to the float track on the outside of the tank is a long PCB with a couple of long, sinuous traces. These connect to an LX3302A inductive sensor IC, which reads the position of ...

“Developing complicated systems such as liquid hydrogen tanks requires specific knowledge and technology ... Additionally, Somni has designed a new H 2 level sensor capable of operating under ...