LEDs on the Arduino can be programmed to indicate if the sensor is or isn’t immersed by the liquid to determine liquid levels. The devices are compact, allowing them to be deployed within constrained ...

I've just come across a no-name non-contact, high-precision 80 GHz mmWave radar sensor for liquid level detection with a 40m ...

This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

Posted in hardware, home hacks Tagged arduino, oil tank, ultrasonic sensor, xbee ← Hack Your Datasheets Using Datasheet.net A 555-Based, Two-Channel Remote Control Circuit → ...

The sensors are available as either ultrasonic or radar-based systems, and are intended for easy installation in existing riser openings or directly onto plastic tanks without the need for a riser.

Sensortechnics introduces the new CLD series of non-invasive ultrasonic fluid monitoring sensors. These devices enable continuous bottom-up liquid level detection based on ultrasonic time-of-flight ...