Can we use HCSR04 sensor for detecting material type?
From the name, it is using Ultrasonic Wave, can we differentiate, say metal or rock, from its echo signal?
An excellent time to experiment, don't you think?
Paul
Can we use HCSR04 sensor for detecting material type?
From the name, it is using Ultrasonic Wave, can we differentiate, say metal or rock, from its echo signal?
An excellent time to experiment, don't you think?
Paul