A polymer corrugated diaphragm-based fiber-optic Fabry-Perot (FP) interferometer is proposed as an ultrasonic sensor and directly fabricated on an optical fiber tip by direct laser writing via ...

Thick (>40 mum) ceramic films as piezoelectric and ultrasonic transducers (UTs) have been successfully deposited on metallic and non-metallic substrates by a spray technique. In the film fabrication a ...

Obstacle Avoiding Robot using Ultrasonic Sensor and Arduino Project Description This project is an obstacle-avoiding robot built using an Arduino Uno, ultrasonic sensor (HC-SR04), and two DC motors.

Find the best tech you can buy right now, chosen by experts at Engadget.

Written by Kevin (KTOWN) Townsend for Adafruit Industries. BSD license, check license.txt for more information All text above must be included in any redistribution To install, use the Arduino Library ...