Serial Monitor to LCD

1#include <LiquidCrystal.h>
2
3String a;
4
5const int rs = 12,  en = 10, d4 = 7, d5 = 6, d6 = 5, d7 = 4;
6LiquidCrystal lcd(rs, en, d4, d5, d6,  d7);
7
8void setup() {
9  lcd.begin(16, 2);
10  Serial.begin(9600);
11  lcd.write("Awaiting");
12  lcd.setCursor(0,1);
13  lcd.write("Commands");
14  lcd.setCursor(0,0);
15}
16
17void  loop() {
18  lcd.clear();
19  lcd.write("Awaiting");
20  lcd.setCursor(0,1);
21  lcd.write("Commands");
22  lcd.setCursor(0,0);
23  if(Serial.available())
24  {
25    a = Serial.readString();
26    Serial.println(a);
27    
28    if(a.startsWith("Activate"))
29    {
30    delay(100);
31    lcd.clear();
32    lcd.write("Hello");
33    delay(1000);
34    lcd.clear();
35    lcd.write("World");
36    delay(1000);
37    lcd.clear();
38    lcd.write("");
39    delay(1000);
40    lcd.clear();
41    lcd.write("10");
42    delay(1000);
43    lcd.clear();
44    lcd.write("9");
45    delay(1000);
46    lcd.clear();
47    lcd.write("8");
48    delay(1000);
49    lcd.clear();
50    lcd.write("7");
51    delay(1000);
52    lcd.clear();
53    lcd.write("6");
54    delay(1000);
55    lcd.clear();
56    lcd.write("5");
57    delay(1000);
58    lcd.clear();
59    lcd.write("4");
60    delay(1000);
61    lcd.clear();
62    lcd.write("3");
63    delay(1000);
64    lcd.clear();
65    lcd.write("2");
66    delay(1000);
67    lcd.clear();
68    lcd.write("1");
69    delay(1000);
70    lcd.clear();
71    lcd.write("0");
72    delay(1000);
73    lcd.clear();
74    lcd.write("Success");
75    delay(1000);
76    lcd.clear();  
77  }
78  if (!a.startsWith("Activate")){
79    lcd.clear();
80    lcd.print("Incorrect");
81    lcd.setCursor(0,1);
82    lcd.print("Code");
83    delay(2000);
84    lcd.clear();
85    lcd.setCursor(0,0);
86  }
87}
88}

1#include <LiquidCrystal.h>
2
3String a;
4
5const int rs = 12,
6  en = 10, d4 = 7, d5 = 6, d6 = 5, d7 = 4;
7LiquidCrystal lcd(rs, en, d4, d5, d6,
8  d7);
9
10void setup() {
11  lcd.begin(16, 2);
12  Serial.begin(9600);
13  lcd.write("Awaiting");
14
15  lcd.setCursor(0,1);
16  lcd.write("Commands");
17  lcd.setCursor(0,0);
18}
19
20void
21  loop() {
22  lcd.clear();
23  lcd.write("Awaiting");
24  lcd.setCursor(0,1);
25
26  lcd.write("Commands");
27  lcd.setCursor(0,0);
28  if(Serial.available())
29
30  {
31    a = Serial.readString();
32    Serial.println(a);
33    
34    if(a.startsWith("Activate"))
35
36    {
37    delay(100);
38    lcd.clear();
39    lcd.write("Hello");
40    delay(1000);
41
42    lcd.clear();
43    lcd.write("World");
44    delay(1000);
45    lcd.clear();
46
47    lcd.write("");
48    delay(1000);
49    lcd.clear();
50    lcd.write("10");
51
52    delay(1000);
53    lcd.clear();
54    lcd.write("9");
55    delay(1000);
56
57    lcd.clear();
58    lcd.write("8");
59    delay(1000);
60    lcd.clear();
61
62    lcd.write("7");
63    delay(1000);
64    lcd.clear();
65    lcd.write("6");
66
67    delay(1000);
68    lcd.clear();
69    lcd.write("5");
70    delay(1000);
71
72    lcd.clear();
73    lcd.write("4");
74    delay(1000);
75    lcd.clear();
76
77    lcd.write("3");
78    delay(1000);
79    lcd.clear();
80    lcd.write("2");
81
82    delay(1000);
83    lcd.clear();
84    lcd.write("1");
85    delay(1000);
86
87    lcd.clear();
88    lcd.write("0");
89    delay(1000);
90    lcd.clear();
91
92    lcd.write("Success");
93    delay(1000);
94    lcd.clear();  
95  }
96
97  if (!a.startsWith("Activate")){
98    lcd.clear();
99    lcd.print("Incorrect");
100
101    lcd.setCursor(0,1);
102    lcd.print("Code");
103    delay(2000);
104    lcd.clear();
105
106    lcd.setCursor(0,0);
107  }
108}
109}