Display

 

1. /*
2. 
   
3. Video on Youtube:
4. 
   
5. https://www.youtube.com/watch?v=tbbZzWrJYdk
6. 
   
7. Sensor on Banggood:
8. https://usa.banggood.com/custlink/D3vhOQRuh7
9. 
   
10. 
    
11. Project on My Website:
12. https://aeroarduino.com/uncategorized/cool-arduino-ultrasonic-transducer-distance-measurement-with-tinkercad/
13. 
    
14. 
    
15. */
16. #include <LiquidCrystal.h> // includes the LiquidCrystal Library
17. LiquidCrystal lcd(1, 2, 4, 5, 6, 7); // Creates an LCD object. Parameters: (rs, enable, d4, d5, d6, d7)
18. const int trigPin = 9;
19. const int echoPin = 10;
20. long duration;
21. int distanceCm, distanceInch;
22. void setup() {
23. lcd.begin(16,2); // Initializes the interface to the LCD screen, and specifies the dimensions (width and height) of the display
24. pinMode(trigPin, OUTPUT);
25. pinMode(echoPin, INPUT);
26. }
27. void loop() {
28. digitalWrite(trigPin, LOW);
29. delayMicroseconds(2);
30. digitalWrite(trigPin, HIGH);
31. delayMicroseconds(10);
32. digitalWrite(trigPin, LOW);
33. duration = pulseIn(echoPin, HIGH);
34. distanceCm= duration*0.034/2;
35. distanceInch = duration*0.0133/2;
36. lcd.setCursor(0,0); // Sets the location at which subsequent text written to the LCD will be displayed
37. lcd.print("Distance: "); // Prints string "Distance" on the LCD
38. lcd.print(distanceCm); // Prints the distance value from the sensor
39. lcd.print(" cm");
40. delay(10);
41. lcd.setCursor(0,1);
42. lcd.print("Distance: ");
43. lcd.print(distanceInch);
44. lcd.print(" inch");
45. delay(10);
46. }