In his write-up, [Mike] started by listing all the different sensors he had considered to measure the oil level and ... the picture above using PVC parts. Enclosed are the ultrasonic sensor ...

[Benne] project devises a low-cost, cloud-connected, water level measuring station ... consists essentially in an Arduino UNO, an ultrasonic distance sensor, and a DHT temperature/humidity sensor ...

I've got an Arduino/Bluetooth (Bluetooth Bee-Standalone). I've hooked it up with an HC-SR04, it's intended to be mounted at the top of a rain barrel to measure the water depth. What's the best ...

MetaSphere has helped Yorkshire Water in its development of a new approach to reservoir level measurement. As well as removing significant manpower demands, the new system ... ultrasonic or radar ...