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The purpose of this paper is to propose a novel equivalent circuit model of an ultrasonic motor with measurable parameters. The novel model consists of three submodels: the stator vibrator submodel, ...

This paper proposes an ultrasonic transmitting and receiving circuit system based on DYSTM32F4 high-frequency ultrasonic development board, which is used in the research of drilling ultrasonic logging ...

This Arduino code utilizes an ultrasonic sensor to measure distances. When an object is detected within a fix distance , the connected motors trigger a sequence: move backward, turn right, turn left, ...

Build a simple LPG gas leakage detector using Arduino and MQ-5 sensor. This beginner-friendly project features buzzer and LED alerts, circuit diagram, and complete Arduino code for home safety.