The measurement of water fraction in the oil–water two-phase flow is important for the processing control of oil production. In this article, a coil antenna-based high-sensitivity inductive sensor is ...

Ultrasonic navigation based blind aid is built to guide the visually impaired and blind to walk easily in urban areas. The proposed system operates in two modes namely hurdle detection mode and fixed ...

An obstacle-avoiding robot using an ultrasonic sensor and motor control, programmed with Arduino to autonomously navigate and avoid obstacles by stopping, reversing, and turning.