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Build an Ultrasonic Arduino Air Drum Set for Hours of Fun

Learn how to make a touchless air drum set using Arduino and ultrasonic sensors for endless musical fun. ‘That Has Never Been ...
IEEE

High Sensitivity Fiber Bragg Grating Humidity Sensors Made With Through-the-Coating Femtosecond Laser Writing and Polyimide Coating Thickening

Abstract: Durable fiber Bragg grating (FBG) relative humidity (RH) sensors are fabricated in commercially available polyimide (PI) coated 50-µm diameter Ge-doped silica optical fibers using an ...