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 ...

Instead, it relies on an ultrasonic distance sensor to detect a hand (or foot) waved in front of the door. An Arduino Leonardo runs the show, sounding a buzzer when the ultrasonic sensor is triggered.

The new Qualcomm 3D Sonic Max ultrasonic fingerprint sensor supports two fingerprints, has a larger area, and is more secure.

Qualcomm has announced its new 3D Sonic Sensor Gen 2 ultrasonic sensor for in-display fingerprint readers. The new sensor is 77 percent bigger and 50 percent faster than the old models, and it ...

Gasboard-8500FS-X200 is Cubic’s ultrasonic technology 4-in-1 combined sensor solution to measure flow rate, oxygen concentration, temperature and humidity.