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

Birmingham is a central transport hub for the UK. Get all your latest traffic and travel news here including incidents, accidents, crashes, delays and roadworks. The city is at the heart of the ...

Abstract: In the actual operation of ultrasonic motors, their real-time output speed and thrust are closely related to the real-time input voltage and current. Judging the output mechanical ...