Arduino Code For Digital Clock with Arduino Lcd display
#include "LiquidCrystal.h"
const int rs = 2, en = 3, d4 = 4, d5 = 5, d6 = 6, d7 = 7;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
int cs=9;
const int contrast = 100;
int h=12;
int m=59;
int s=45;
int flag=1;
int button1;
int button2;
int hs=0;
int ms=1;
const int Time_light=150;
int bl_TO=Time_light;
int bl=10;
const int backlight=120;
static uint32_t last_time, now = 0;
void setup()
{
lcd.begin(16,2);
pinMode(hs,INPUT_PULLUP);
pinMode(ms,INPUT_PULLUP);
analogWrite(cs,contrast);
analogWrite(bl,backlight);
now=millis();
}
void loop()
{
lcd.begin(16,2);
lcd.setCursor(0,0);
lcd.print("Made By Sufian");
lcd.setCursor(0,1);
lcd.print("Time ");
if(h<10)lcd.print("0");
lcd.print(h);
lcd.print(":");
if(m<10)lcd.print("0");
lcd.print(m);
lcd.print(":");
if(s<10)lcd.print("0");
lcd.print(s);
if(flag==0) lcd.print(" AM");
if(flag==1) lcd.print(" PM");
for ( int i=0 ;i<5 ;i++)
{
while ((now-last_time)<200)
{
now=millis();
}
last_time=now;
button1=digitalRead(hs);
button2=digitalRead(ms);
if( ((button1==0)|(button2==0)) & (bl_TO==1) )
{
bl_TO=Time_light;
analogWrite(bl,backlight);
while ((button1==0)|(button2==0))
{
button1=digitalRead(hs);
button2=digitalRead(ms);
}
}
else
{
if(button1==0){
h=h+1;
bl_TO=Time_light;
analogWrite(bl,backlight);
}
if(button2==0){
s=0;
m=m+1;
bl_TO=Time_light;
analogWrite(bl,backlight);
}
if(s==60){
s=0;
m=m+1;
}
if(m==60)
{
m=0;
h=h+1;
}
if(h==13)
{
h=1;
flag=flag+1;
if(flag==2)flag=0;
}
if((button1==0)|(button2==0))
{
lcd.setCursor(0,1);
lcd.print("Time ");
if(h<10)lcd.print("0");
lcd.print(h);
lcd.print(":");
if(m<10)lcd.print("0");
lcd.print(m);
lcd.print(":");
if(s<10)lcd.print("0");
lcd.print(s);
if(flag==0) lcd.print(" AM");
if(flag==1) lcd.print(" PM");
}
}
}
s=s+1;
if(s==60){
s=0;
m=m+1;
}
if(m==60)
{
m=0;
h=h+1;
}
if(h==13)
{
h=1;
flag=flag+1;
if(flag==2)flag=0;
}
}
Nic
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