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

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 ...

SST Sensing has partnered with Sparkfun to develop a simple to implement solution for single point liquid detection using infrared technology. The solution comprises an Optomax Digital liquid level ...

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 → ...