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Apr 21st, 2018
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  1. #include <NewPing.h>
  2.  
  3. #define trig 2
  4. #define echo 3
  5. #define maxd 200
  6.  
  7.  
  8. NewPing sonar(trig , echo ,maxd);
  9. int d = sonar.ping_cm();
  10.  
  11. void setup() {
  12. Serial.begin(9600);
  13.  
  14. }
  15.  
  16.  
  17. void loop() {
  18. delay(50);
  19. Serial.println(d);
  20. }
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