Hiển Thị LCD 4 Bit Arduino

 

Nhớ tải thư viện : LiquidCrystal

1. The circuit:
2. * LCD RS pin to digital pin 12
3. * LCD Enable pin to digital pin 11
4. * LCD D4 pin to digital pin 5
5. * LCD D5 pin to digital pin 4
6. * LCD D6 pin to digital pin 3
7. * LCD D7 pin to digital pin 2
8. * LCD R/W pin to ground
9. * 10K resistor:
10. * ends to +5V and ground
11. * wiper to LCD VO pin (pin 3)
12. */
13. // include the library code:
14. #include <LiquidCrystal.h>
15. // initialize the library with the numbers of the interface pins
16. LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
17. void setup() {
18. // set up the LCD's number of columns and rows:
19. lcd.begin(16, 2);
20. // Print a message to the LCD.
21. lcd.print("hello, world!");
22. }
23. void loop() {
24. // Turn off the display:
25. lcd.noDisplay();
26. delay(500);
27. // Turn on the display:
28. lcd.display();
29. delay(500);
30. }