#include <LiquidCrystal.h>
const int rs = 19, en = 18, d4 = 15, d5 = 2, d6 = 4, d7 = 5;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
const int ntc = 26;
const int red = 25;
const int blue = 33;

void setup() {
  pinMode(ntc, INPUT); 
  pinMode(red, OUTPUT); 
  pinMode(blue, OUTPUT); 
  Serial.begin(9600);
  lcd.begin(16, 2);
}
void loop() {
  int ntc = analogRead(26);
  float voltage = (ntc / 1024.0) * 5.0;
  float tempC = (voltage - .5) * 100;
  Serial.print("temp: ");
  Serial.print(tempC);
  if (tempC < 30) { 
    analogWrite(red, LOW);
    analogWrite(blue, HIGH);
    lcd.setCursor(1,0);
    lcd.print("Dingin");
  }
  else 
  if (tempC > 30) { 
    analogWrite(red, HIGH);
    analogWrite(blue, LOW);
    lcd.setCursor(1,0);
    lcd.print("Panas");
  }
 delay(10);
}