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Test an Ultrasonic Sensor

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Test an Ultrasonic Sensor
/* Code generated by RoboBlockly v2.5 */
/* Problem Statement: 
    Test the ultrasonic sensor by running the code and then
    moving your hand or an object back and forth in front of
    the sensor. Modify the code and test it for different
    minimum distances.
    */
#include <arduino.h>

// Test of ultrasonic sensor to read distance
// Initialize ultrasonic trigger pin
pinMode(9, OUTPUT);
// Initialize ultrasonic echo pin
pinMode(8, INPUT);
// Keep reading sensor until distance < 5
waitUntilUltrasonicSensor(9, 8, 5);
// Display message
printf("Warning! Distance less than 5!");
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Problem Statement:

Test the ultrasonic sensor by running the code and then moving your hand or an object back and forth in front of the sensor. Modify the code and test it for different minimum distances.


		
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