AutomationDirect has added the Flowline EchoPod and EchoSonic II lines of ultrasonic liquid level sensors and transmitters to their product offerings. AutomationDirect has added the Flowline EchoPod ...

There are loads of unique sensors ... with older Arduino boards like the first-gen Uno. Measuring the pH level of a water source can give you a range of information about the liquid.

The CLD series features a unique pulsed ultrasonic ... contact between the sensor and the fluid, eliminates all media compatibility and sterility issues. The CLD series provides an analog output ...

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 ... can be found an Arduino compatible board ...

The signal attenuates severely when passing through air, but the presence of liquid ... using ultrasonic switches as opposed to simpler technology is to get a complete solid-state sensor with ...