2.Waterproof DS18B20 Digital Temperature Sensor & Arduino board

1(A)

---->

Digital Pin2

2(B)

---->

5V/3.3V

3(C)

---->

GND

Setting for the Pull-up Register/Pull-down Register Selection Jumpers

When connect DS18B20 with the adapter,please choose to use the

Pull-up Register Jumper

***************************************************************/

#include <OneWire.h>

int DS18S20_Pin = 2; //DS18S20 Signal pin on digital 2

//Temperature chip i/o

OneWire ds(DS18S20_Pin);

// on digital pin 2

void setup(void) {

Serial.begin(9600);

}

void loop(void) {

float temperature = getTemp();

Serial.println(temperature);

delay(2000); //just here to slow down the output so it is easier to read

}

float getTemp(){

//returns the temperature from one DS18S20 in DEG Celsius

byte data[12];

byte addr[8];