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blood pressure using arduino code with lcd display


// include the library code:
#include <LiquidCrystal.h>

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(13, 12, 11, 10, 9, 8);

int buttonState = 0;         // variable for reading the pushbutton status

// These constants won't change.  They're used to give names
// to the pins used:
const int analogInPine = A0;  // Analog input pin that the potentiometer is attached to
const int analogInPinb = A1;  // Analog input pin that the potentiometer is attached to

int sensorPin = A5;    // select the input pin for the potentiometer
int sensorValue = 0;  // variable to store the value coming from the sensor
int count=0,fl;
unsigned long time1=0;  // store the initial time
unsigned long time2;    // store the current time
  int count1;

int sensorValue1 = 0;        // value read from the pot

void setup() {
     
  lcd.setCursor(0, 0);
  lcd.print("PRESSURE:            ");
   
}

void loop() {
  // read the analog in value:


  sensorValue1 = analogRead(A0)/2;
  sensorValue1 = analogRead(A0)/2;


if(sensorValue1>140)
{
digitalWrite(2,0);
}
else
{
  digitalWrite(2,1);
}

  if(sensorValue1>=160)
    sensorValue1=160;

  if(sensorValue1>100)
  {
  lcd.setCursor(0, 1);
   
  lcd.write((sensorValue1/100)+0x30);    

  lcd.write(((sensorValue1%100)/10)+0x30);    

  lcd.write((sensorValue1%10)+0x30);      
    delay(20);
  lcd.setCursor(8, 1);
  delay(20);  
       delay(20);    
  lcd.write(((sensorValue1-29)/100)+0x30);    
      delay(20);
  lcd.write((((sensorValue1-29)%100)/10)+0x30);    
      delay(20);
  lcd.write(((sensorValue1-29)%10)+0x30);      
    delay(20);

  }
  }
Serial.print("E");
      Serial.write((sensorValue1/100)+0x30);    
      delay(20);
  Serial.write(((sensorValue1%100)/10)+0x30);    
      delay(20);
  Serial.write((sensorValue1%10)+0x30);      
    delay(20);
Serial.print('\n');    
}
}


void serialEvent()
{
  while (Serial.available())
  {
    // get the new byte:
    char inChar = (char)Serial.read();
    // add it to the inputString:

    // if the incoming character is a newline, set a flag
    // so the main loop can do something about it:



  }
}

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