I am trying to develop a system with Arduino and an ultrasonic sensor. The process that an ultrasonic sensor like the hc sr04 follows is: Send a wave (trigger signal). It hits the object. It returns to the module via a reflected wave (echo signal). I want to block the reflected wave if the trigge…

Block the return wave of ultrasonic sensor

anon73444976 August 30, 2021, 8:54am 4

How is the sensor supposed to recognise a specific object?

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