งานปฏิบัติ 15

งานปฏิบัติ 15

wiring diagram

Code 3

#include <LiquidCrystal_I2C.h> 

#include <OneWire.h>

#include <DallasTemperature.h>

#define ONE_WIRE_BUS 11

OneWire oneWire(ONE_WIRE_BUS);

DallasTemperature sensors(&oneWire);

float Tfloat;

LiquidCrystal_I2C lcd(0x27,16,2);

void setup(void)

{

  sensors.begin();

  lcd.begin();

  Serial.begin(9600);

} 

void loop(void)

{

  sensors.requestTemperatures(); 

  Tfloat = sensors.getTempCByIndex(0);

  Serial.print(Tfloat);

  lcd.setCursor(0,0);

  lcd.print("T = ");

  lcd.print(Tfloat,4);

  delay(250);

}