Arcodica Port

Arduino nano и два сензора за топлина dallas ds18b20

#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
#include <OneWire.h>
#include <DallasTemperature.h>

/********************************************************************/
// Data wire for temp in is plugged into pin 2 on the Arduino 
#define ONE_WIRE_BUS 2
/********************************************************************/
// Setup a oneWire instance to communicate with any OneWire devices  
// (not just Maxim/Dallas temperature ICs) 
OneWire oneWire(ONE_WIRE_BUS); 
/********************************************************************/
// Pass our oneWire reference to Dallas Temperature. 
DallasTemperature sensors(&oneWire);
/********************************************************************/ 


// Pass our oneWire reference to Dallas Temperature. 


/*
 * The setup function. We only start the sensors here
 */
// Set the LCD address to 0x27 for a 16 chars and 2 line display
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup()
{
// start serial port 
 Serial.begin(9600); 
 Serial.println("Dallas Temperature IC Control Library Demo"); 
 // Start up the library 
 sensors.begin(); 


	lcd.begin();
  lcd.clear();
  Serial.begin(9600);


  // Start up the library

	// Turn on the blacklight and print a message.
	lcd.backlight();
	lcd.print("Hello,...!");
  delay(2000);
  lcd.clear();
}

void loop()
{

  // call sensors.requestTemperatures() to issue a global temperature 
 // request to all devices on the bus 
/********************************************************************/

 Serial.print(" Requesting temperatures..."); 
 sensors.requestTemperatures(); // Send the command to get temperature readings 
 Serial.println("DONE");  
lcd.setCursor(0,0); // Sets the cursor to col 0 and row 0
lcd.print("TmpIn :"); // Prints Sensor Val: to LCD
lcd.print(sensors.getTempCByIndex(0));
lcd.print((char)223); // Prints value on sensorVal1 to LCD
lcd.setCursor(0,1); // Sets the cursor to col 1 and row 0
lcd.print("TmpOut:"); // Prints Sensor Val: to LCD
lcd.print(sensors.getTempCByIndex(1)); // Prints value on sensorVal2 to LCD
lcd.print((char)223);
/********************************************************************/
 
Serial.print("Temperature out: "); 
 Serial.print(sensors.getTempCByIndex(0)); // Why "byIndex"?  
   // You can have more than one DS18B20 on the same bus.  
   // 0 refers to the first IC on the wire 
 //  delay(1000); 
 
   Serial.print("Temperature in: "); 
 Serial.print(sensors.getTempCByIndex(1)); // Why "byIndex"?  
   // You can have more than one DS18B20 on the same bus.  
   // 1 refers to the second IC on the wire 
   delay(1000); 

  
  
  
}
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