Interface a 16x2 Character LCD

1//Interface a 16x2 character LCD in 4-bit mode
2
3#include <LiquidCrystal.h>
4
5const  int RS = 2, EN = 3, D4 = 4, D5 = 5, D6 = 6, D7 = 7;
6LiquidCrystal lcd(RS,EN,D4,D5,D6,D7);             //set Uno pins that are connected to LCD, 4-bit mode
7//LiquidCrystal  lcd(RS,EN,D1,D2,D3,D4,D5,D6,D7);  //set Uno pins that are connected to LCD, 8-bit  mode
8
9//create custom character, each character is 5x8 (WxH) pixels
10byte  thumbsup0[8] = {B00100,B00011,B00100,B00011,B00100,B00011,B00010,B00001};
11byte  thumbsup1[8] = {B00000,B00000,B00000,B00000,B00000,B00000,B00000,B00011};
12byte  thumbsup2[8] = {B00000,B00000,B00000,B00000,B00000,B00000,B00001,B11110};
13byte  thumbsup3[8] = {B00000,B01100,B10010,B10010,B10001,B01000,B11110,B00000};
14byte  thumbsup4[8] = {B00010,B00010,B00010,B00010,B00010,B01110,B10000,B00000};
15byte  thumbsup5[8] = {B00000,B00000,B00000,B00000,B00000,B10000,B01000,B00110};
16
17void  setup() {
18  lcd.begin(16,2);    //set 16 columns and 2 rows of 16x2 LCD
19  //lcd.begin(20,4);    //set 20 columns and 4 rows of 20x4 LCD 
20
21}
22
23void loop() {
24  lcd.print("Hello  World");             //print "Hello World" on first row
25  delay(3000);                          //delay  3 seconds
26  lcd.clear();                          //clear display, sets cursor  back to home
27  lcd.print("Fuel Your Creativity");    //notice how "Creativity"  does not wrap around to next line
28  delay(3000);
29  lcd.clear();
30  lcd.print("Fuel  Your");
31  lcd.setCursor(0,1);                   //set cursor to column 0, row  1 (rows and columns start from 0)
32  lcd.print("Creativity");
33  delay(3000);
34  lcd.clear();
35  lcd.cursor();                         //show visible cursor  below next char that will be printed
36  delay(3000);
37  lcd.noCursor();                       //turns  cursor off
38  delay(3000);
39  lcd.blink();                          //similar  to lcd.cursor but creates blinking block cursor
40  delay(3000);
41  lcd.noBlink();                        //turn blinking cursor off
42  delay(3000);
43  lcd.print("Fuel  Your Creativity");
44  delay(3000);
45  lcd.scrollDisplayLeft();              //moves  "Fuel Your Creativity" to the left by one character
46  delay(1000);
47  lcd.scrollDisplayLeft();    
48  delay(1000);
49  lcd.scrollDisplayLeft();    
50  delay(1000);
51  lcd.scrollDisplayLeft();    
52  delay(1000);
53  lcd.scrollDisplayRight();             //moves "Fuel  Your Creativity" to the right by one character
54  delay(1000);
55  lcd.scrollDisplayRight();    
56  delay(1000);
57  lcd.scrollDisplayRight();    
58  delay(1000);
59  lcd.scrollDisplayRight();    
60  delay(3000);
61  lcd.clear();
62
63  //display  thumbsup character
64  lcd.createChar(0, thumbsup0);
65  lcd.createChar(1, thumbsup1);
66  lcd.createChar(2, thumbsup2);
67  lcd.createChar(3, thumbsup3);
68  lcd.createChar(4,  thumbsup4);
69  lcd.createChar(5, thumbsup5);
70  lcd.setCursor(2,1);
71  lcd.write((uint8_t)0);
72  lcd.setCursor(2,0);
73  lcd.write(1);
74  lcd.setCursor(3,1);
75  lcd.write(2);
76  lcd.setCursor(3,0);
77  lcd.write(3);
78  lcd.setCursor(4,1);
79  lcd.write(4);
80  lcd.setCursor(4,0);
81  lcd.write(5);
82  delay(3000);
83  lcd.clear();
84
85}