lm35

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3F, 16, 2);

int pinSensor = A0;
float suhu;

void setup() {
  Serial.begin(9600);
  lcd.begin();
  lcd.print("symask");
  lcd.setCursor(0, 1);
  lcd.print("LM35 LCD 16x2");
  delay(4000);
}

void loop() {
  lcd.clear();
  suhu = bacaSuhu();
  lcd.setCursor(0, 0);
  lcd.print("Suhu saat ini");
  lcd.setCursor(0, 1);
  lcd.print(suhu,1);
  lcd.print((char)223);
  lcd.print("C");
  delay(1000);
}

float bacaSuhu() {
  int ip_adc_val = 0;
  float suhu = 0;
  suhu = (5.0 * analogRead(pinSensor) * 100.0) / 1024;
  return suhu;
}