Arduino Clock (without rtc) with temperature and humidity

1#include <SimpleDHT.h>
2#include <Wire.h>
3#include <LiquidCrystal_I2C.h>
4LiquidCrystal_I2C  lcd(0x27, 16, 2);
5int h = Your  hours here;
6int m = Your minutes here;
7int  s = seconds here;
8int flag = 0;
9int TIME = 0;
10const int hs = A0;
11const  int ms = A1;
12int state1 = 0;
13int state2 = 0;
14int pinDHT11 = 11;
15SimpleDHT11  dht11(pinDHT11);
16
17void setup()
18{
19   pinMode(hs,INPUT_PULLUP);
20  pinMode(ms,INPUT_PULLUP);
21  lcd.init();
22  lcd.init();
23  lcd.backlight();
24  lcd.print("Made by -  ");
25 lcd.setCursor(0,1);
26 lcd.print("Harshit");
27 delay (3000);
28 lcd.clear();
29}
30void  loop()
31{
32  byte temperature = 0;
33  byte humidity = 0;
34  int err = SimpleDHTErrSuccess;
35  if ((err = dht11.read(&temperature, &humidity, NULL)) != SimpleDHTErrSuccess){
36    return;
37  }
38  lcd.setCursor(0, 0);
39  s = s + 0.50;
40  lcd.print("TIME:"  );
41  lcd.print(h);
42  lcd.print(":");
43  lcd.print(m);
44  lcd.print(":");
45  lcd.print(s);
46  if (flag < 12) lcd.print(" AM");
47  if (flag == 12) lcd.print("  PM");
48  if (flag > 12) lcd.print(" PM");
49  if (flag == 24) flag = 0;
50  delay(1000);
51 lcd.clear();
52  if (s == 60)
53  {
54    s = 0;
55    m  = m + 1;
56  }
57  if (m == 60)
58  {
59    m = 0;
60    h = h + 1;
61    flag  = flag + 1;
62  }
63  if (h == 13)
64  {
65    h = 1;
66  }
67  state1 = digitalRead(hs);
68  if (state1 == 0)
69  {
70    h = h + 1;
71    flag = flag + 1;
72    if (flag  < 12) lcd.print(" AM");
73    if (flag == 12) lcd.print(" PM");
74    if (flag  > 12) lcd.print(" PM");
75    if (flag == 24) flag = 0;
76    if (h == 13) h  = 1;
77  }
78  state2 = digitalRead(ms);
79  if (state2 == 0)
80  {
81    s  = 0;
82    m = m + 1;
83  }
84
85 s=s+1;
86 if(s==60){
87  s=0;
88  m=m+1;
89  }
90 if(m==60)
91 {
92  m=0;
93  h=h+1;
94 }
95 if(h==13)
96 {
97  h=1;
98  flag=flag+1;
99  if(flag==2)flag=0;
100 }
101  lcd.setCursor(0,1);
102  lcd.print("Temp=  ");
103  lcd.setCursor(5,1);
104  lcd.print((int)temperature);
105  lcd.setCursor(7,1);
106  lcd.print("C");
107  lcd.setCursor (9,1);
108  lcd.print("H=");
109  lcd.setCursor(11,1);
110  lcd.print((int)humidity);
111  lcd.setCursor(13,1);
112  lcd.print("%");
113}
114

1#include <SimpleDHT.h>
2#include <Wire.h>
3#include <LiquidCrystal_I2C.h>
4LiquidCrystal_I2C
5  lcd(0x27, 16, 2);
6int h = Your  hours here;
7int m = Your minutes here;
8int
9  s = seconds here;
10int flag = 0;
11int TIME = 0;
12const int hs = A0;
13const
14  int ms = A1;
15int state1 = 0;
16int state2 = 0;
17int pinDHT11 = 11;
18SimpleDHT11
19  dht11(pinDHT11);
20
21void setup()
22{
23   pinMode(hs,INPUT_PULLUP);
24  pinMode(ms,INPUT_PULLUP);
25
26  lcd.init();
27  lcd.init();
28  lcd.backlight();
29  lcd.print("Made by -
30  ");
31 lcd.setCursor(0,1);
32 lcd.print("Harshit");
33 delay (3000);
34 lcd.clear();
35}
36void
37  loop()
38{
39  byte temperature = 0;
40  byte humidity = 0;
41  int err = SimpleDHTErrSuccess;
42
43  if ((err = dht11.read(&temperature, &humidity, NULL)) != SimpleDHTErrSuccess){
44
45    return;
46  }
47  lcd.setCursor(0, 0);
48  s = s + 0.50;
49  lcd.print("TIME:"
50  );
51  lcd.print(h);
52  lcd.print(":");
53  lcd.print(m);
54  lcd.print(":");
55
56  lcd.print(s);
57  if (flag < 12) lcd.print(" AM");
58  if (flag == 12) lcd.print("
59  PM");
60  if (flag > 12) lcd.print(" PM");
61  if (flag == 24) flag = 0;
62
63  delay(1000);
64 lcd.clear();
65  if (s == 60)
66  {
67    s = 0;
68    m
69  = m + 1;
70  }
71  if (m == 60)
72  {
73    m = 0;
74    h = h + 1;
75    flag
76  = flag + 1;
77  }
78  if (h == 13)
79  {
80    h = 1;
81  }
82  state1 = digitalRead(hs);
83
84  if (state1 == 0)
85  {
86    h = h + 1;
87    flag = flag + 1;
88    if (flag
89  < 12) lcd.print(" AM");
90    if (flag == 12) lcd.print(" PM");
91    if (flag
92  > 12) lcd.print(" PM");
93    if (flag == 24) flag = 0;
94    if (h == 13) h
95  = 1;
96  }
97  state2 = digitalRead(ms);
98  if (state2 == 0)
99  {
100    s
101  = 0;
102    m = m + 1;
103  }
104
105 s=s+1;
106 if(s==60){
107  s=0;
108  m=m+1;
109
110  }
111 if(m==60)
112 {
113  m=0;
114  h=h+1;
115 }
116 if(h==13)
117 {
118  h=1;
119
120  flag=flag+1;
121  if(flag==2)flag=0;
122 }
123  lcd.setCursor(0,1);
124  lcd.print("Temp=
125  ");
126  lcd.setCursor(5,1);
127  lcd.print((int)temperature);
128  lcd.setCursor(7,1);
129
130  lcd.print("C");
131  lcd.setCursor (9,1);
132  lcd.print("H=");
133  lcd.setCursor(11,1);
134
135  lcd.print((int)humidity);
136  lcd.setCursor(13,1);
137  lcd.print("%");
138}
139