//if temp is less than 31 then green lights
//if greater than 31 and less than 46 than orange
//if greater than 46 then red lights

#include <LiquidCrystal.h>
#define led1 13
#define led2 12
#define led3 11
#define led4 10
#define led5 9
#define led6 8
#define led7 7
#define led8 6
#define led9 5
#define led10 4
int sensor = A1;
float temp;
float tempc;
float tempf;

LiquidCrystal lcd (A2, A3, 3, 2, 1, 0);
void setup() {
  // put your setup code here, to run once:
  pinMode(led1,OUTPUT);
  pinMode(led2,OUTPUT);
  pinMode(led3,OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  pinMode(led6, OUTPUT);
  pinMode(led7, OUTPUT);
  pinMode(led8, OUTPUT);
  pinMode(led9, OUTPUT);
  pinMode(led10, OUTPUT);
  pinMode(sensor, INPUT);
  lcd.begin(16,2);
}

void loop() {
  // put your main code here, to run repeatedly:
  temp = analogRead(sensor);
  
  tempc = (temp*100.0) / 1024;

  lcd.setCursor(0,1);
  lcd.print("Temp: ");
  lcd.println(tempc);
  lcd.println(" C");

  if (tempc > 0.0 & tempc < 31.0){
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, HIGH);
    digitalWrite(led4, HIGH);
  }

  if (tempc > 31.0 & tempc < 46.0){
    digitalWrite(led5, HIGH);
    digitalWrite(led6, HIGH);
  }

  if (tempc > 46.0){
    digitalWrite(led7, HIGH);
    digitalWrite(led8, HIGH);
    digitalWrite(led9, HIGH);
    digitalWrite(led10, HIGH);
  }

  else{
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6, LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
    digitalWrite(led9, LOW);
    digitalWrite(led10, LOW);
  }
}