Ultrasonics or ultrasound is a radar-like system that uses ultrasonic signals at frequencies above those typical for human hearing, usually above 16 to 20 kHz. The 40- to 70-kHz range tends to be most ...
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 ...
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 ...
Non-contact EchoPod® and EchoTouch® reflective ultrasonic liquid level sensors feature Flowline’s proprietary Reflective Technology™ that delivers reliable level measurement in condensing environments ...