OpenGarage › Forums › Comments, Suggestions, Requests › Using OpenGarage as Water Tank Level Sensor › Reply To: Using OpenGarage as Water Tank Level Sensor October 29, 2017 at 10:15 pm #760 RayKeymaster The sensor (which is a ultrasonic distance sensor) can actually be used to detect water level. I haven’t tested it myself, but I’ve seen a sump pump monitor project that uses exactly this sensor: Sump pump alert with Moteino & HC-SR04
