Abstract: This paper presents two PZT piezoelectric micromachined ultrasonic transducer (PMUT) designs for distance sensing applications, fabricated using a foundry-compatible multi-project wafer (MPW ...

This project uses an HC-SR04 ultrasonic sensor to measure how close an object is. A buzzer and LED react depending on the distance, similar to a car parking sensor. < 10 cm → buzzer and LED stay on.

Abstract: Sensing technology has undergone a revolution as a result of technological advancements, where the wireless sensor network (WSN) is considered as a major research area in recent times. WSN ...

AmbiSense is an innovative smart lighting solution that uses radar sensing technology to create responsive ambient lighting experiences. The system detects movement and distance using an LD2410 radar ...