In his write-up, [Mike] started by listing all the different sensors he had considered to measure the oil level and finally opted for an ultrasonic sensor. In his opinion, this kind of sensor is ...
Measuring air flow ... like with this ultrasonic flow meter, could be a big deal for DIY projects and the trades in general. The principle behind the sensor [ItMightBeWorse] is working on is ...
easy-to-deploy solution for flood monitoring. At its core is a controller connected to an ultrasonic sensor that measures water levels in a way similar to how bats navigate using sound.