#include <LiquidCrystal.h>

const int muxSIG=A0;
const int muxS0=4;
const int muxS1=3;
const int muxS2=2;
const int muxS3=11;
float temp;// Variable to store temp values, initial temp variable being 0.
float temp1;
float temp2;
LiquidCrystal lcd(5,6,7,8,9,10);// digital pins in arduino board connected to LCD

int SetMuxChannel( byte channel){
  digitalWrite(muxS0,bitRead(channel,0));
  digitalWrite(muxS1,bitRead(channel,1));
  digitalWrite(muxS2,bitRead(channel,2));
  digitalWrite(muxS3,bitRead(channel,3));
}
void setup() {
  Serial.begin(9600);
  lcd.begin(16,2);
  lcd.print("Cyborg_Task...");
  lcd.setCursor(0,1);//setting the (column,row) value
  lcd.print("1.4_task2");
  delay(2000);// after a delay of 2sec clear the screen
  lcd.clear();
  pinMode(muxS0, OUTPUT);
  pinMode(muxS1, OUTPUT);
  pinMode(muxS2, OUTPUT);
  pinMode(muxS3, OUTPUT);
  pinMode(muxSIG, INPUT);
 
  // put your setup code here, to run once:

}

void loop() {
  //signal in C0 is set to be shown for 2s.
 SetMuxChannel(0);
  //for temperature
    
  float temp = 1 / (log(1 / (1023. /analogRead(muxSIG) - 1)) / 3950 + 1.0 / 298.15) - 273.15;
  lcd.setCursor(0, 1);
  lcd.print ("Puri's_Temp:");
  lcd.print(temp);
  lcd.print("C");
  Serial.print ("Puri's_Temp:");
  Serial.print(temp);
  Serial.print("C\n");
  delay (2000);//Delay of 2 second for ease of viewing in serial monitor

  //signal in C1 is set to be shown for 2s.
  SetMuxChannel(1);
  //for temperature  
  
  float temp1 = 1 / (log(1 / (1023. / analogRead(muxSIG)- 1)) / 3950 + 1.0 / 298.15) - 273.15;
  lcd.setCursor(0, 1);
  lcd.print ("Rourkela's_Temp:");
  lcd.print(temp1);
  lcd.print("C");
 Serial.print ("Rourkela's_Temp:");
 Serial.print(temp1);
  Serial.print("C\n");
  delay (2000);//Delay of 2 second for ease of viewing in serial monitor

  //signal in C2 is set to be shown for 2s.
 SetMuxChannel(2);
  //for temperature  
 
  float temp2 = 1 / (log(1 / (1023. / analogRead(muxSIG) - 1)) / 3950 + 1.0 / 298.15) - 273.15;
  lcd.setCursor(0, 1);
  lcd.print ("Kakatpur's_Temp:");
  lcd.print(temp2);
  lcd.print("C");
  Serial.print ("Kakatpur's_Temp:");
  Serial.print(temp2);
  Serial.print("C\n");
  delay (2000);//Delay of 2 second for ease of viewing in serial monitor

}