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SKETCHES: RANGEFINDERS
SKETCH NAME DESCRIPTION COMMENTS, MATERIALS, LINKS

16x2_LCD_Ultrasonic-Sensor.ino

It detects the distance of the closest object in front of the sensor (from 3 cm up to 400 cm) by sending out a burst (ping) of ultrasound and listening for the echo when it bounces off of an object.

Reference: https://www.arduino.cc/en/Tutorial/Ping

 

 

 

Measure_Speed_of_Sound.ino

Measure the speed of sound with an ultrasonic sensor and Arduino.

Video: http://www.toptechboy.com/arduino/lesson-17-measuring-the-speed-of-sound-with-arduino-and-ultrasonic-sensor/

Ultrasonic_Distance_Meter.ino

Build a distance meter using an ultrasonic sensor and Arduino.

Video: http://www.toptechboy.com/arduino/lesson-18-distance-meter-using-ultrasonic-sensor-and-arduino/