ultrasonic sensor angle
ultrasonic sensor angle
(OP)
i have ultrasonic sensor and PIR motion sensor
i want to know the shape of its waves is it cylindrical like this

or cylindrical with increasing height like this

or part of sphere like this

or what ?!!
i want to know the shape of its waves is it cylindrical like this

or cylindrical with increasing height like this

or part of sphere like this

or what ?!!





RE: ultrasonic sensor angle
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