Sumit Grover
Published © LGPL

Water level indicator with SMS alert for emergency flood

whenever the level of water ir raised from a particular level it is not indicated to far away people for that this project is designed

IntermediateShowcase (no instructions)4,096
Water level indicator with SMS alert for emergency flood

Things used in this project

Hardware components

transformer 12 - 0 - 12
×1
connecting wire
×1
2 pin power supply connector
×1
GSM modem
×1
5 mm LED: Red
5 mm LED: Red
×3
Resistor 10k ohm
Resistor 10k ohm
×1
at89c51 ic
×1
40 pin ic base
×1
bc547 transistor
×1
crystal 11.0592mhz
×1
33 pf
×1
1000uf
×1
10 uf
×1

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)
soldering wire

Story

Read more

Schematics

diagram

Code

water_level_gsm[1].c

C/C++
#include<reg51.h> 

sbit level_1=P2^0;
sbit level_2=P2^1;
sbit level_3=P2^2;
 
sbit level_indication_1=P1^0;
sbit level_indication_2=P1^1;
sbit level_indication_3=P1^2;


void delay(unsigned int x)
{
unsigned int i;
  for(i=0;i<=x;i++);
}				

void tx(unsigned char num)
{ 
  SBUF = num;
  while(TI == 0);
  TI = 0;	  
  delay(500);
}

void tx_string(unsigned char *y)
{
	while(*y!='\0')
	{
		tx(*y);
		y++; 
  		delay(500);
	}
}
void main()
{ 
unsigned char a,b,c;			 	
level_indication_1=0;
level_indication_2=0;
level_indication_3=0;
  SCON=0x50;
  TMOD=0x20;
  TH1=0xfd;
  TR1=1;

  tx_string("AT");		
  tx(0x0d);
  delay(60000);
  tx_string("AT+CMGF=1");	  
  tx(0x0d);
  delay(60000);		

  while(1)
  {					  			  

if(level_1==1)
{
if(a==0)
{
level_indication_1=1;
	a=1;
  tx_string("AT+CMGS=");
  tx('"');
  tx_string("09464519438");
  tx('"'); 
  tx(0x0d);
  delay(60000);
  tx_string("LEVEL 1 REACHED");
  tx(0x1a);
  delay(60000);	
  delay(60000);	
  delay(60000);	
  }
  }		 
  else
  {					 
level_indication_1=0;
 
  a=0;
  }
if(level_2==1)
{
if(b==0)
{					
level_indication_2=1;
	b=1;
  tx_string("AT+CMGS=");
  tx('"');
  tx_string("09464519438");
  tx('"'); 
  tx(0x0d);
  delay(60000);
  tx_string("LEVEL 2 REACHED");
  tx(0x1a);
  delay(60000);	
  delay(60000);	
  delay(60000);	
  }
  }		 
  else
  {				  
level_indication_2=0;
  b=0;
  }	
if(level_3==1)
{
if(c==0)
{					
level_indication_3=1;
	c=1;
  tx_string("AT+CMGS=");
  tx('"');
  tx_string("09464519438");
  tx('"'); 
  tx(0x0d);
  delay(60000);
  tx_string("LEVEL 3 REACHED");
  tx(0x1a);
  delay(60000);	
  delay(60000);	
  delay(60000);	
  }
  }		 
  else
  {				  
level_indication_3=0;
  c=0;
  }
  }
}

Credits

Sumit Grover

Sumit Grover

8 projects • 26 followers

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