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You are here: Home / Replies / ultrasonic sensor works on

ultrasonic sensor works on

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Electronics › Electronics › help in ultrasonic circuit › ultrasonic sensor works on

April 17, 2015 at 11:01 am #12801
Ashutosh Bhatt
Participant

ultrasonic sensor works on very simple principle

it sends ultrasonic pulse when trig pin is given high logic

then one has to wait till the pulse returns back through ECHO pin

just calculate the time between sending-receiving the pulse

then distance = velocity of sound / time x 2

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