Water Level Controller using 8051 Microcontroller
Circuit Diagram:
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Circuit Diagram of Water Level Controller using 8051 Microcontroller
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Diagram Water Level Controller using 8051 Microcontroller |
Program:
// Program water level
controller
#include<reg51.h>
sbit AA=P1^0;
sbit BB=P1^1;
sbit CC=P1^2;
sbit DD=P1^3;
sbit EE=P1^4;
sbit FF=P1^5;
sbit GG=P1^6;
sbit HH=P1^7;
sbit II=P3^0;
sbit JJ=P3^1;
sbit rs=P3^2;
sbit rw=P3^3;
sbit e=P3^4;
sbit MOTOR=P3^5;
void delay(int X)
{
int i,j;
for(i=0;i<X;i++)
for(j=0;j<1000;j++);
}
void write(int j)
{
rs=1;
rw=0;
P2=j;
e=1;
delay(10);
e=0;
return;
}
void cmd(int j)
{
P2=j;
rs=0;
rw=0;
e=1;
delay(10);
e=0;
return;
}
void puts(char *a)
{
unsigned int p=0;
for(;a[p]!=0;p++)
write(a[p]);
}
void lcd_init(void)
{
cmd(0x38);
delay(10);
cmd(0x0c);
delay(10);
cmd(0x01);
cmd(0x06);
cmd(0x80);
}
void main()
{
AA=BB=CC=DD=EE=FF=GG=HH=II=JJ=0;
while(1)
{
while(AA==0&&BB==0&&CC==0&&DD==0&&EE==0&&FF==0&&GG==0&&HH==0&&II==0&&JJ==0)
{
lcd_init();
puts(" TANK EMPTY ");
lcd_init();
puts(" MOTOR
ON");
MOTOR=1;
}
while(AA==1&&BB==0&&CC==0&&DD==0&&EE==0&&FF==0&&GG==0&&HH==0&&II==0&&JJ==0)
{
lcd_init();
puts("WATER 10%");
}
while(AA==1&&BB==1&&CC==0&&DD==0&&EE==0&&FF==0&&GG==0&&HH==0&&II==0&&JJ==0)
{
lcd_init();
puts("WATER
20%");
}
while(AA==1&&BB==1&&CC==1&&DD==0&&EE==0&&FF==0&&GG==0&&HH==0&&II==0&&JJ==0)
{
lcd_init();
puts("WATER
30%");
}
while(AA==1&&BB==1&&CC==1&&DD==1&&EE==0&&FF==0&&GG==0&&HH==0&&II==0&&JJ==0)
{
lcd_init();
puts("WATER
40%");
}
while(AA==1&&BB==1&&CC==1&&DD==1&&EE==1&&FF==0&&GG==0&&HH==0&&II==0&&JJ==0)
{
lcd_init();
puts("WATER
50%");
}
while(AA==1&&BB==1&&CC==1&&DD==1&&EE==1&&FF==1&&GG==0&&HH==0&&II==0&&JJ==0)
{
lcd_init();
puts("WATER
60%");
}
while(AA==1&&BB==1&&CC==1&&DD==1&&EE==1&&FF==1&&GG==1&&HH==0&&II==0&&JJ==0)
{
lcd_init();
puts("WATER
70%");
}
while(AA==1&&BB==1&&CC==1&&DD==1&&EE==1&&FF==1&&GG==1&&HH==1&&II==0&&JJ==0)
{
lcd_init();
puts("WATER
80%");
}
while(AA==1&&BB==1&&CC==1&&DD==1&&EE==1&&FF==1&&GG==1&&HH==1&&II==1&&JJ==0)
{
lcd_init();
puts("WATER
90%");
}
while(AA==1&&BB==1&&CC==1&&DD==1&&EE==1&&FF==1&&GG==1&&HH==1&&II==1&&JJ==1)
{
lcd_init();
puts(" TANK
FULL ");
lcd_init();
puts(" MOTOR
OFF ");
MOTOR=0;
}
}
}
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