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Ultrasonic Distance Sensor in Arduino With Tinkercad : 6 Steps (with Pictures) via Instructables

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Let's measure distances with an ultrasonic rangefinder (distance sensor) and Arduino's digital input. We'll connect up a circuit using a breadboard and use some simple Arduino code to control a single LED.

You may have already learned to read a pushbutton and PIR motion sensor with Arduino's digital input, and we'll build on those skills in this lesson.

Ultrasonic rangefinders use sound waves to bounce off objects in front of them, much like bats using echolocation to sense their environment. The proximity sensor sends out a signal and measures how long it takes to return. The Arduino program receives this information and calculates the distance between the sensor and object.

Read Ultrasonic Distance Sensor in Arduino With Tinkercad : 6 Steps (with Pictures) via Instructables

An interesting link found among my daily reading

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