[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 ...

The tank level sensors are rigid yet flexible, due to the 316SS used in fabrication. There is also the option of single or dual NPT mountings, along with a wide range of accessories to suit any ...

[Mike] lives in a temperate rainforest in Alaska (we figured from his website’s name) and uses a 570 gallon oil tank ... different sensors he had considered to measure the oil level and finally ...