Arduino Traffic Light/ Signal with LCD Counter Display

1#include <LiquidCrystal.h>
2int red = 9;
3int yellow = 8;
4int green   = 7;
5//Designer Krishna Agarwal (DIY Inventor)
6//Devloper Krishna Agarwal   (DIY Inventor)
7//Code by Krishna Agarwal (DIY Inventor)
8LiquidCrystal lcd(11,   10, 5, 4, 3, 2); 
9
10void setup(){
11  
12  pinMode(red, OUTPUT);
13  pinMode(yellow,   OUTPUT);
14  pinMode(green, OUTPUT);
15    lcd.begin(16, 2);
16    lcd.setCursor(0,   0);
17    lcd.print("   Turning On   ");
18    lcd.setCursor(0, 1);
19    lcd.print("   Traffic  Light ");
20    delay(2000);
21  lcd.clear();
22lcd.setCursor(0, 0);
23     lcd.print("     SYSTEM");
24    lcd.setCursor(0, 1);
25    lcd.print("        ON");
26    delay(1500);
27  lcd.clear();
28
29    
30}
31void loop(){
32   lcd.begin(16, 2);
33  lcd.setCursor(0, 0);
34    lcd.print("Stop Red Light ");
35     lcd.setCursor(0, 1);
36    lcd.print("15 Second");
37  digitalWrite(red,   HIGH);
38    delay(1000);
39 
40lcd.setCursor(0, 1);
41    lcd.print("14 Second");
42   digitalWrite(red, HIGH);
43    delay(1000); 
44  lcd.setCursor(0, 1);
45    lcd.print("13   Second");
46  digitalWrite(red, HIGH);
47    delay(1000);
48lcd.setCursor(0,   1);
49    lcd.print("12 Second");
50  digitalWrite(red, HIGH);
51    delay(1000);
52     lcd.setCursor(0, 1);
53    lcd.print("11 Sec");
54  digitalWrite(red, HIGH);
55     delay(1000);
56     lcd.setCursor(0, 1);
57    lcd.print("10 Sec");
58   digitalWrite(red, HIGH);
59    delay(1000);
60     lcd.setCursor(0, 1);
61     lcd.print("09 Sec");
62  digitalWrite(red, HIGH);
63    delay(1000);
64     
65
66lcd.setCursor(0, 1);
67    lcd.print("08 Second");
68  digitalWrite(red,   HIGH);
69    delay(1000);
70lcd.setCursor(0, 1);
71    lcd.print("07 Second");
72   digitalWrite(red, HIGH);
73    delay(1000);
74lcd.setCursor(0, 1);
75    lcd.print("06   Second");
76  digitalWrite(red, HIGH);
77    delay(1000);
78
79lcd.setCursor(0,   1);
80    lcd.print("05 Second");
81  digitalWrite(red, HIGH);
82    delay(1000);
83lcd.setCursor(0,   1);
84    lcd.print("04 Second");
85  digitalWrite(red, HIGH);
86    delay(1000);
87lcd.setCursor(0,   1);
88    lcd.print("03 Second");
89  digitalWrite(red, HIGH);
90    delay(1000);
91     lcd.setCursor(0, 1);
92    lcd.print("02 Second");
93  digitalWrite(red,   HIGH);
94    delay(1000);
95lcd.setCursor(0, 1);
96    lcd.print("01 Second");
97   digitalWrite(red, HIGH);
98    delay(1000);
99lcd.clear();
100digitalWrite(red,   LOW);
101
102
103
104
105lcd.setCursor(0, 0);
106lcd.print("On Yellow Light");
107     lcd.setCursor(0, 1);
108    lcd.print("05 Second");
109  digitalWrite(yellow,   HIGH);
110delay(1000);
111  digitalWrite(yellow, LOW);
112delay(500);
113lcd.setCursor(0,   1);
114    lcd.print("04 Second");
115  
116  digitalWrite(yellow, HIGH);
117delay(1000);
118   digitalWrite(yellow, LOW);
119delay(500);
120lcd.setCursor(0, 1);
121    lcd.print("03   Second");
122  
123  digitalWrite(yellow, HIGH);
124delay(1000);
125  digitalWrite(yellow,   LOW);
126delay(500);
127  lcd.setCursor(0, 1);
128    lcd.print("02 Second");
129   
130  digitalWrite(yellow, HIGH);
131delay(1000);
132  digitalWrite(yellow, LOW);
133delay(500);
134   lcd.setCursor(0, 1);
135    lcd.print("01 Second");
136  
137  digitalWrite(yellow,   HIGH);
138delay(1000);
139  digitalWrite(yellow, LOW);
140delay(500);
141  lcd.setCursor(0,   1);
142    lcd.print("01 Second");
143  
144lcd.setCursor(0, 0);
145    lcd.print("GoGo   Green Light");
146lcd.setCursor(0, 1);
147    lcd.print("20 Second");
148  digitalWrite(green,   HIGH);
149    delay(1000);
150
151lcd.setCursor(0, 1);
152    lcd.print("19 Second");
153   digitalWrite(green, HIGH);
154    delay(1000);
155
156lcd.setCursor(0, 1);
157     lcd.print("18 Second");
158  digitalWrite(green, HIGH);
159    delay(1000);
160
161lcd.setCursor(0,   1);
162    lcd.print("17 Second");
163  digitalWrite(green, HIGH);
164    delay(1000);
165
166lcd.setCursor(0,   1);
167    lcd.print("16 Second");
168  digitalWrite(green, HIGH);
169    delay(1000);
170   
171   lcd.setCursor(0, 1);
172    lcd.print("15 Second");
173  digitalWrite(green,   HIGH);
174    delay(1000);
175 
176lcd.setCursor(0, 1);
177    lcd.print("14 Second");
178   digitalWrite(green, HIGH);
179    delay(1000); 
180  lcd.setCursor(0, 1);
181     lcd.print("13 Second");
182  digitalWrite(green, HIGH);
183    delay(1000);
184lcd.setCursor(0,   1);
185    lcd.print("12 Second");
186  digitalWrite(green, HIGH);
187    delay(1000);
188     lcd.setCursor(0, 1);
189    lcd.print("11 Sec");
190  digitalWrite(green,   HIGH);
191    delay(1000);
192     lcd.setCursor(0, 1);
193    lcd.print("10 Sec");
194   digitalWrite(green, HIGH);
195    delay(1000);
196     lcd.setCursor(0, 1);
197     lcd.print("09 Sec");
198  digitalWrite(green, HIGH);
199    delay(1000);
200     
201
202lcd.setCursor(0, 1);
203    lcd.print("08 Second");
204  digitalWrite(green,   HIGH);
205    delay(1000);
206lcd.setCursor(0, 1);
207    lcd.print("07 Second");
208   digitalWrite(green, HIGH);
209    delay(1000);
210lcd.setCursor(0, 1);
211    lcd.print("06   Second");
212  digitalWrite(green, HIGH);
213    delay(1000);
214
215lcd.setCursor(0,   1);
216    lcd.print("05 Second");
217  digitalWrite(green, HIGH);
218    delay(1000);
219lcd.setCursor(0,   1);
220    lcd.print("04 Second");
221  digitalWrite(green, HIGH);
222    delay(1000);
223lcd.setCursor(0,   1);
224    lcd.print("03 Second");
225  digitalWrite(green, HIGH);
226    delay(1000);
227     lcd.setCursor(0, 1);
228    lcd.print("02 Second");
229  digitalWrite(green,   HIGH);
230    delay(1000);
231lcd.setCursor(0, 1);
232    lcd.print("01 Second");
233   digitalWrite(green, HIGH);
234    delay(1000);
235lcd.clear();
236digitalWrite(green,   LOW);
237
238
239  lcd.setCursor(0, 0);
240lcd.print("Of Yellow Light");
241    lcd.setCursor(0,   1);
242    lcd.print("05 Second");
243  digitalWrite(yellow, HIGH);
244delay(1000);
245   digitalWrite(yellow, LOW);
246delay(500);
247lcd.setCursor(0, 1);
248    lcd.print("04   Second");
249  
250  digitalWrite(yellow, HIGH);
251delay(1000);
252  digitalWrite(yellow,   LOW);
253delay(500);
254lcd.setCursor(0, 1);
255    lcd.print("03 Second");
256   
257  digitalWrite(yellow, HIGH);
258delay(1000);
259  digitalWrite(yellow, LOW);
260delay(500);
261   lcd.setCursor(0, 1);
262    lcd.print("02 Second");
263  
264  digitalWrite(yellow,   HIGH);
265delay(1000);
266  digitalWrite(yellow, LOW);
267delay(500);
268  lcd.setCursor(0,   1);
269    lcd.print("01 Second");
270  
271  digitalWrite(yellow, HIGH);
272delay(1000);
273   digitalWrite(yellow, LOW);
274delay(500);
275  
276}

#include <LiquidCrystal.h>
int red = 9;
int yellow = 8;
int green   = 7;
//Designer Krishna Agarwal (DIY Inventor)
//Devloper Krishna Agarwal   (DIY Inventor)
//Code by Krishna Agarwal (DIY Inventor)
LiquidCrystal lcd(11,   10, 5, 4, 3, 2); 

void setup(){
  
  pinMode(red, OUTPUT);
  pinMode(yellow,   OUTPUT);
  pinMode(green, OUTPUT);
    lcd.begin(16, 2);
    lcd.setCursor(0,   0);
    lcd.print("   Turning On   ");
    lcd.setCursor(0, 1);
    lcd.print("   Traffic  Light ");
    delay(2000);
  lcd.clear();
lcd.setCursor(0, 0);
     lcd.print("     SYSTEM");
    lcd.setCursor(0, 1);
    lcd.print("        ON");
    delay(1500);
  lcd.clear();

    
}
void loop(){
   lcd.begin(16, 2);
  lcd.setCursor(0, 0);
    lcd.print("Stop Red Light ");
     lcd.setCursor(0, 1);
    lcd.print("15 Second");
  digitalWrite(red,   HIGH);
    delay(1000);
 
lcd.setCursor(0, 1);
    lcd.print("14 Second");
   digitalWrite(red, HIGH);
    delay(1000); 
  lcd.setCursor(0, 1);
    lcd.print("13   Second");
  digitalWrite(red, HIGH);
    delay(1000);
lcd.setCursor(0,   1);
    lcd.print("12 Second");
  digitalWrite(red, HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
    lcd.print("11 Sec");
  digitalWrite(red, HIGH);
     delay(1000);
     lcd.setCursor(0, 1);
    lcd.print("10 Sec");
   digitalWrite(red, HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
     lcd.print("09 Sec");
  digitalWrite(red, HIGH);
    delay(1000);
     

lcd.setCursor(0, 1);
    lcd.print("08 Second");
  digitalWrite(red,   HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("07 Second");
   digitalWrite(red, HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("06   Second");
  digitalWrite(red, HIGH);
    delay(1000);

lcd.setCursor(0,   1);
    lcd.print("05 Second");
  digitalWrite(red, HIGH);
    delay(1000);
lcd.setCursor(0,   1);
    lcd.print("04 Second");
  digitalWrite(red, HIGH);
    delay(1000);
lcd.setCursor(0,   1);
    lcd.print("03 Second");
  digitalWrite(red, HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
    lcd.print("02 Second");
  digitalWrite(red,   HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("01 Second");
   digitalWrite(red, HIGH);
    delay(1000);
lcd.clear();
digitalWrite(red,   LOW);




lcd.setCursor(0, 0);
lcd.print("On Yellow Light");
     lcd.setCursor(0, 1);
    lcd.print("05 Second");
  digitalWrite(yellow,   HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
lcd.setCursor(0,   1);
    lcd.print("04 Second");
  
  digitalWrite(yellow, HIGH);
delay(1000);
   digitalWrite(yellow, LOW);
delay(500);
lcd.setCursor(0, 1);
    lcd.print("03   Second");
  
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow,   LOW);
delay(500);
  lcd.setCursor(0, 1);
    lcd.print("02 Second");
   
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
   lcd.setCursor(0, 1);
    lcd.print("01 Second");
  
  digitalWrite(yellow,   HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
  lcd.setCursor(0,   1);
    lcd.print("01 Second");
  
lcd.setCursor(0, 0);
    lcd.print("GoGo   Green Light");
lcd.setCursor(0, 1);
    lcd.print("20 Second");
  digitalWrite(green,   HIGH);
    delay(1000);

lcd.setCursor(0, 1);
    lcd.print("19 Second");
   digitalWrite(green, HIGH);
    delay(1000);

lcd.setCursor(0, 1);
     lcd.print("18 Second");
  digitalWrite(green, HIGH);
    delay(1000);

lcd.setCursor(0,   1);
    lcd.print("17 Second");
  digitalWrite(green, HIGH);
    delay(1000);

lcd.setCursor(0,   1);
    lcd.print("16 Second");
  digitalWrite(green, HIGH);
    delay(1000);
   
   lcd.setCursor(0, 1);
    lcd.print("15 Second");
  digitalWrite(green,   HIGH);
    delay(1000);
 
lcd.setCursor(0, 1);
    lcd.print("14 Second");
   digitalWrite(green, HIGH);
    delay(1000); 
  lcd.setCursor(0, 1);
     lcd.print("13 Second");
  digitalWrite(green, HIGH);
    delay(1000);
lcd.setCursor(0,   1);
    lcd.print("12 Second");
  digitalWrite(green, HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
    lcd.print("11 Sec");
  digitalWrite(green,   HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
    lcd.print("10 Sec");
   digitalWrite(green, HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
     lcd.print("09 Sec");
  digitalWrite(green, HIGH);
    delay(1000);
     

lcd.setCursor(0, 1);
    lcd.print("08 Second");
  digitalWrite(green,   HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("07 Second");
   digitalWrite(green, HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("06   Second");
  digitalWrite(green, HIGH);
    delay(1000);

lcd.setCursor(0,   1);
    lcd.print("05 Second");
  digitalWrite(green, HIGH);
    delay(1000);
lcd.setCursor(0,   1);
    lcd.print("04 Second");
  digitalWrite(green, HIGH);
    delay(1000);
lcd.setCursor(0,   1);
    lcd.print("03 Second");
  digitalWrite(green, HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
    lcd.print("02 Second");
  digitalWrite(green,   HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("01 Second");
   digitalWrite(green, HIGH);
    delay(1000);
lcd.clear();
digitalWrite(green,   LOW);


  lcd.setCursor(0, 0);
lcd.print("Of Yellow Light");
    lcd.setCursor(0,   1);
    lcd.print("05 Second");
  digitalWrite(yellow, HIGH);
delay(1000);
   digitalWrite(yellow, LOW);
delay(500);
lcd.setCursor(0, 1);
    lcd.print("04   Second");
  
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow,   LOW);
delay(500);
lcd.setCursor(0, 1);
    lcd.print("03 Second");
   
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
   lcd.setCursor(0, 1);
    lcd.print("02 Second");
  
  digitalWrite(yellow,   HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
  lcd.setCursor(0,   1);
    lcd.print("01 Second");
  
  digitalWrite(yellow, HIGH);
delay(1000);
   digitalWrite(yellow, LOW);
delay(500);
  
}

Code

c_cpp

1#include <LiquidCrystal.h>
2int red = 9;
3int yellow = 8;
4int green  = 7;
5//Designer Krishna Agarwal (DIY Inventor)
6//Devloper Krishna Agarwal  (DIY Inventor)
7//Code by Krishna Agarwal (DIY Inventor)
8LiquidCrystal lcd(11,  10, 5, 4, 3, 2); 
9
10void setup(){
11  
12  pinMode(red, OUTPUT);
13  pinMode(yellow,  OUTPUT);
14  pinMode(green, OUTPUT);
15    lcd.begin(16, 2);
16    lcd.setCursor(0,  0);
17    lcd.print("   Turning On   ");
18    lcd.setCursor(0, 1);
19    lcd.print("  Traffic  Light ");
20    delay(2000);
21  lcd.clear();
22lcd.setCursor(0, 0);
23    lcd.print("     SYSTEM");
24    lcd.setCursor(0, 1);
25    lcd.print("       ON");
26    delay(1500);
27  lcd.clear();
28
29    
30}
31void loop(){
32  lcd.begin(16, 2);
33  lcd.setCursor(0, 0);
34    lcd.print("Stop Red Light ");
35    lcd.setCursor(0, 1);
36    lcd.print("15 Second");
37  digitalWrite(red,  HIGH);
38    delay(1000);
39 
40lcd.setCursor(0, 1);
41    lcd.print("14 Second");
42  digitalWrite(red, HIGH);
43    delay(1000); 
44  lcd.setCursor(0, 1);
45    lcd.print("13  Second");
46  digitalWrite(red, HIGH);
47    delay(1000);
48lcd.setCursor(0,  1);
49    lcd.print("12 Second");
50  digitalWrite(red, HIGH);
51    delay(1000);
52    lcd.setCursor(0, 1);
53    lcd.print("11 Sec");
54  digitalWrite(red, HIGH);
55    delay(1000);
56     lcd.setCursor(0, 1);
57    lcd.print("10 Sec");
58  digitalWrite(red, HIGH);
59    delay(1000);
60     lcd.setCursor(0, 1);
61    lcd.print("09 Sec");
62  digitalWrite(red, HIGH);
63    delay(1000);
64    
65
66lcd.setCursor(0, 1);
67    lcd.print("08 Second");
68  digitalWrite(red,  HIGH);
69    delay(1000);
70lcd.setCursor(0, 1);
71    lcd.print("07 Second");
72  digitalWrite(red, HIGH);
73    delay(1000);
74lcd.setCursor(0, 1);
75    lcd.print("06  Second");
76  digitalWrite(red, HIGH);
77    delay(1000);
78
79lcd.setCursor(0,  1);
80    lcd.print("05 Second");
81  digitalWrite(red, HIGH);
82    delay(1000);
83lcd.setCursor(0,  1);
84    lcd.print("04 Second");
85  digitalWrite(red, HIGH);
86    delay(1000);
87lcd.setCursor(0,  1);
88    lcd.print("03 Second");
89  digitalWrite(red, HIGH);
90    delay(1000);
91    lcd.setCursor(0, 1);
92    lcd.print("02 Second");
93  digitalWrite(red,  HIGH);
94    delay(1000);
95lcd.setCursor(0, 1);
96    lcd.print("01 Second");
97  digitalWrite(red, HIGH);
98    delay(1000);
99lcd.clear();
100digitalWrite(red,  LOW);
101
102
103
104
105lcd.setCursor(0, 0);
106lcd.print("On Yellow Light");
107    lcd.setCursor(0, 1);
108    lcd.print("05 Second");
109  digitalWrite(yellow,  HIGH);
110delay(1000);
111  digitalWrite(yellow, LOW);
112delay(500);
113lcd.setCursor(0,  1);
114    lcd.print("04 Second");
115  
116  digitalWrite(yellow, HIGH);
117delay(1000);
118  digitalWrite(yellow, LOW);
119delay(500);
120lcd.setCursor(0, 1);
121    lcd.print("03  Second");
122  
123  digitalWrite(yellow, HIGH);
124delay(1000);
125  digitalWrite(yellow,  LOW);
126delay(500);
127  lcd.setCursor(0, 1);
128    lcd.print("02 Second");
129  
130  digitalWrite(yellow, HIGH);
131delay(1000);
132  digitalWrite(yellow, LOW);
133delay(500);
134  lcd.setCursor(0, 1);
135    lcd.print("01 Second");
136  
137  digitalWrite(yellow,  HIGH);
138delay(1000);
139  digitalWrite(yellow, LOW);
140delay(500);
141  lcd.setCursor(0,  1);
142    lcd.print("01 Second");
143  
144lcd.setCursor(0, 0);
145    lcd.print("GoGo  Green Light");
146lcd.setCursor(0, 1);
147    lcd.print("20 Second");
148  digitalWrite(green,  HIGH);
149    delay(1000);
150
151lcd.setCursor(0, 1);
152    lcd.print("19 Second");
153  digitalWrite(green, HIGH);
154    delay(1000);
155
156lcd.setCursor(0, 1);
157    lcd.print("18 Second");
158  digitalWrite(green, HIGH);
159    delay(1000);
160
161lcd.setCursor(0,  1);
162    lcd.print("17 Second");
163  digitalWrite(green, HIGH);
164    delay(1000);
165
166lcd.setCursor(0,  1);
167    lcd.print("16 Second");
168  digitalWrite(green, HIGH);
169    delay(1000);
170  
171   lcd.setCursor(0, 1);
172    lcd.print("15 Second");
173  digitalWrite(green,  HIGH);
174    delay(1000);
175 
176lcd.setCursor(0, 1);
177    lcd.print("14 Second");
178  digitalWrite(green, HIGH);
179    delay(1000); 
180  lcd.setCursor(0, 1);
181    lcd.print("13 Second");
182  digitalWrite(green, HIGH);
183    delay(1000);
184lcd.setCursor(0,  1);
185    lcd.print("12 Second");
186  digitalWrite(green, HIGH);
187    delay(1000);
188    lcd.setCursor(0, 1);
189    lcd.print("11 Sec");
190  digitalWrite(green,  HIGH);
191    delay(1000);
192     lcd.setCursor(0, 1);
193    lcd.print("10 Sec");
194  digitalWrite(green, HIGH);
195    delay(1000);
196     lcd.setCursor(0, 1);
197    lcd.print("09 Sec");
198  digitalWrite(green, HIGH);
199    delay(1000);
200    
201
202lcd.setCursor(0, 1);
203    lcd.print("08 Second");
204  digitalWrite(green,  HIGH);
205    delay(1000);
206lcd.setCursor(0, 1);
207    lcd.print("07 Second");
208  digitalWrite(green, HIGH);
209    delay(1000);
210lcd.setCursor(0, 1);
211    lcd.print("06  Second");
212  digitalWrite(green, HIGH);
213    delay(1000);
214
215lcd.setCursor(0,  1);
216    lcd.print("05 Second");
217  digitalWrite(green, HIGH);
218    delay(1000);
219lcd.setCursor(0,  1);
220    lcd.print("04 Second");
221  digitalWrite(green, HIGH);
222    delay(1000);
223lcd.setCursor(0,  1);
224    lcd.print("03 Second");
225  digitalWrite(green, HIGH);
226    delay(1000);
227    lcd.setCursor(0, 1);
228    lcd.print("02 Second");
229  digitalWrite(green,  HIGH);
230    delay(1000);
231lcd.setCursor(0, 1);
232    lcd.print("01 Second");
233  digitalWrite(green, HIGH);
234    delay(1000);
235lcd.clear();
236digitalWrite(green,  LOW);
237
238
239  lcd.setCursor(0, 0);
240lcd.print("Of Yellow Light");
241    lcd.setCursor(0,  1);
242    lcd.print("05 Second");
243  digitalWrite(yellow, HIGH);
244delay(1000);
245  digitalWrite(yellow, LOW);
246delay(500);
247lcd.setCursor(0, 1);
248    lcd.print("04  Second");
249  
250  digitalWrite(yellow, HIGH);
251delay(1000);
252  digitalWrite(yellow,  LOW);
253delay(500);
254lcd.setCursor(0, 1);
255    lcd.print("03 Second");
256  
257  digitalWrite(yellow, HIGH);
258delay(1000);
259  digitalWrite(yellow, LOW);
260delay(500);
261  lcd.setCursor(0, 1);
262    lcd.print("02 Second");
263  
264  digitalWrite(yellow,  HIGH);
265delay(1000);
266  digitalWrite(yellow, LOW);
267delay(500);
268  lcd.setCursor(0,  1);
269    lcd.print("01 Second");
270  
271  digitalWrite(yellow, HIGH);
272delay(1000);
273  digitalWrite(yellow, LOW);
274delay(500);
275  
276}

#include <LiquidCrystal.h>
int red = 9;
int yellow = 8;
int green  = 7;
//Designer Krishna Agarwal (DIY Inventor)
//Devloper Krishna Agarwal  (DIY Inventor)
//Code by Krishna Agarwal (DIY Inventor)
LiquidCrystal lcd(11,  10, 5, 4, 3, 2); 

void setup(){
  
  pinMode(red, OUTPUT);
  pinMode(yellow,  OUTPUT);
  pinMode(green, OUTPUT);
    lcd.begin(16, 2);
    lcd.setCursor(0,  0);
    lcd.print("   Turning On   ");
    lcd.setCursor(0, 1);
    lcd.print("  Traffic  Light ");
    delay(2000);
  lcd.clear();
lcd.setCursor(0, 0);
    lcd.print("     SYSTEM");
    lcd.setCursor(0, 1);
    lcd.print("       ON");
    delay(1500);
  lcd.clear();

    
}
void loop(){
  lcd.begin(16, 2);
  lcd.setCursor(0, 0);
    lcd.print("Stop Red Light ");
    lcd.setCursor(0, 1);
    lcd.print("15 Second");
  digitalWrite(red,  HIGH);
    delay(1000);
 
lcd.setCursor(0, 1);
    lcd.print("14 Second");
  digitalWrite(red, HIGH);
    delay(1000); 
  lcd.setCursor(0, 1);
    lcd.print("13  Second");
  digitalWrite(red, HIGH);
    delay(1000);
lcd.setCursor(0,  1);
    lcd.print("12 Second");
  digitalWrite(red, HIGH);
    delay(1000);
    lcd.setCursor(0, 1);
    lcd.print("11 Sec");
  digitalWrite(red, HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
    lcd.print("10 Sec");
  digitalWrite(red, HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
    lcd.print("09 Sec");
  digitalWrite(red, HIGH);
    delay(1000);
    

lcd.setCursor(0, 1);
    lcd.print("08 Second");
  digitalWrite(red,  HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("07 Second");
  digitalWrite(red, HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("06  Second");
  digitalWrite(red, HIGH);
    delay(1000);

lcd.setCursor(0,  1);
    lcd.print("05 Second");
  digitalWrite(red, HIGH);
    delay(1000);
lcd.setCursor(0,  1);
    lcd.print("04 Second");
  digitalWrite(red, HIGH);
    delay(1000);
lcd.setCursor(0,  1);
    lcd.print("03 Second");
  digitalWrite(red, HIGH);
    delay(1000);
    lcd.setCursor(0, 1);
    lcd.print("02 Second");
  digitalWrite(red,  HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("01 Second");
  digitalWrite(red, HIGH);
    delay(1000);
lcd.clear();
digitalWrite(red,  LOW);




lcd.setCursor(0, 0);
lcd.print("On Yellow Light");
    lcd.setCursor(0, 1);
    lcd.print("05 Second");
  digitalWrite(yellow,  HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
lcd.setCursor(0,  1);
    lcd.print("04 Second");
  
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
lcd.setCursor(0, 1);
    lcd.print("03  Second");
  
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow,  LOW);
delay(500);
  lcd.setCursor(0, 1);
    lcd.print("02 Second");
  
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
  lcd.setCursor(0, 1);
    lcd.print("01 Second");
  
  digitalWrite(yellow,  HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
  lcd.setCursor(0,  1);
    lcd.print("01 Second");
  
lcd.setCursor(0, 0);
    lcd.print("GoGo  Green Light");
lcd.setCursor(0, 1);
    lcd.print("20 Second");
  digitalWrite(green,  HIGH);
    delay(1000);

lcd.setCursor(0, 1);
    lcd.print("19 Second");
  digitalWrite(green, HIGH);
    delay(1000);

lcd.setCursor(0, 1);
    lcd.print("18 Second");
  digitalWrite(green, HIGH);
    delay(1000);

lcd.setCursor(0,  1);
    lcd.print("17 Second");
  digitalWrite(green, HIGH);
    delay(1000);

lcd.setCursor(0,  1);
    lcd.print("16 Second");
  digitalWrite(green, HIGH);
    delay(1000);
  
   lcd.setCursor(0, 1);
    lcd.print("15 Second");
  digitalWrite(green,  HIGH);
    delay(1000);
 
lcd.setCursor(0, 1);
    lcd.print("14 Second");
  digitalWrite(green, HIGH);
    delay(1000); 
  lcd.setCursor(0, 1);
    lcd.print("13 Second");
  digitalWrite(green, HIGH);
    delay(1000);
lcd.setCursor(0,  1);
    lcd.print("12 Second");
  digitalWrite(green, HIGH);
    delay(1000);
    lcd.setCursor(0, 1);
    lcd.print("11 Sec");
  digitalWrite(green,  HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
    lcd.print("10 Sec");
  digitalWrite(green, HIGH);
    delay(1000);
     lcd.setCursor(0, 1);
    lcd.print("09 Sec");
  digitalWrite(green, HIGH);
    delay(1000);
    

lcd.setCursor(0, 1);
    lcd.print("08 Second");
  digitalWrite(green,  HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("07 Second");
  digitalWrite(green, HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("06  Second");
  digitalWrite(green, HIGH);
    delay(1000);

lcd.setCursor(0,  1);
    lcd.print("05 Second");
  digitalWrite(green, HIGH);
    delay(1000);
lcd.setCursor(0,  1);
    lcd.print("04 Second");
  digitalWrite(green, HIGH);
    delay(1000);
lcd.setCursor(0,  1);
    lcd.print("03 Second");
  digitalWrite(green, HIGH);
    delay(1000);
    lcd.setCursor(0, 1);
    lcd.print("02 Second");
  digitalWrite(green,  HIGH);
    delay(1000);
lcd.setCursor(0, 1);
    lcd.print("01 Second");
  digitalWrite(green, HIGH);
    delay(1000);
lcd.clear();
digitalWrite(green,  LOW);


  lcd.setCursor(0, 0);
lcd.print("Of Yellow Light");
    lcd.setCursor(0,  1);
    lcd.print("05 Second");
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
lcd.setCursor(0, 1);
    lcd.print("04  Second");
  
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow,  LOW);
delay(500);
lcd.setCursor(0, 1);
    lcd.print("03 Second");
  
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
  lcd.setCursor(0, 1);
    lcd.print("02 Second");
  
  digitalWrite(yellow,  HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
  lcd.setCursor(0,  1);
    lcd.print("01 Second");
  
  digitalWrite(yellow, HIGH);
delay(1000);
  digitalWrite(yellow, LOW);
delay(500);
  
}

Downloadable files

Circuit Diagram

Connection of LED Hook the GND pin (Negative Pin) of all led to Pin GND of Arduino. Connect Red LED VCC Pin (Positive Pin) to Pin 9 of Arduino. Connect Yellow LED VCC Pin (Positive Pin) to Pin 8 of Arduino. Connect Green LED VCC Pin (Positive Pin) to Pin 7 of Arduino. Connection of LCD Connect the First pin from the left of LCD (GND pin) with GNDpin of Arduino. Connect the Second pin from the left of LCD (VCC pin) with VCCpin of Arduino. Connect the Third pin from the left of LCD (V0 pin) with GNDpin of Arduino. Connect the Fourth pin from the left of LCD (RS pin) with 11pin of Arduino. Connect the Fifth pin from the left of LCD (R/W pin) with GNDpin of Arduino. Connect the Sixth pin from the left of LCD (E pin) with 10pin of Arduino. Connect the Eleventh pin from the left of LCD (D4 pin) with 5pin of Arduino. Connect the Twelveth pin from the left of LCD (D5 pin) with 4pin of Arduino. Connect the Thirteen pin from the left of LCD (D6 pin) with 3pin of Arduino. Connect the Fourteenth pin from the left of LCD (D7 pin) with 2pin of Arduino. Connect the Fifteenth pin from the left of LCD (5V pin) with 1 K Resistor with 2pin of Arduino. Connect the Last pin from the left of LCD (GND pin) with GND pin of Arduino.

Circuit Diagram

Documentation

Systematic

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