#include <LiquidCrystal.h>
int sensorValue = 0;
#include <SoftwareSerial.h>

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(11, 10, 5, 4, 3, 2);
int button1=6;
int button2=7;
int button3=8;
int button4=A0;

int button1state=0;
int button2state=0;
int button3state=0;
int button4state=0;


void setup() 
{
  pinMode(button1, INPUT_PULLUP);
  pinMode(button2, INPUT_PULLUP);
  pinMode(button3, INPUT_PULLUP);
  pinMode(button4, INPUT_PULLUP);
  pinMode(A0, INPUT);
  lcd.setCursor(0,0);
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  Serial.begin(900);

  lcd.print("WELCOME ");
  delay(1000);
  lcd.clear();
}

void loop() 
{
  button1state=digitalRead(button1);
  button2state=digitalRead(button2);
  button3state=digitalRead(button3);
  button4state=digitalRead(button4);

  if(button4state==LOW){
    lcd.clear();
    lcd.print("Take medicine 1");
    lcd.print("Panado=1");
    delay(1000);
  }

}