با آردوینو و LED یک ماگ هوشمند بسازید

/********************************************************************/
// First we include the libraries
#include "OneWire.h" 
#include "DallasTemperature.h"
/********************************************************************/
// Data wire 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);
/********************************************************************/ 
float temp;
void setup(void) 
{ 
 // start serial port 
 Serial.begin(9600); 
 Serial.println("Dallas Temperature IC Control Library Demo"); 
 // Start up the library 
 sensors.begin(); 
} 
void loop(void) 
{ 

 // 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"); 
/********************************************************************/
 Serial.print("Temperature is: ");
 Serial.print(sensors.getTempCByIndex(0));temp= sensors.getTempCByIndex(0); Serial.print("  "); Serial.println(temp);// Why "byIndex"?
   // You can have more than one DS18B20 on the same bus.  
   // 0 refers to the first IC on the wire 
if (analogRead(A0)>100)
{   if (temp>50)
   temp=100;
   if (temp<30) temp=0; temp=(12.5)*(temp-30); Serial.println(temp); if (temp>255)
   temp=255;
   if (temp<0)
   temp=0;
analogWrite(6,temp);
analogWrite(9,temp);
analogWrite(3,255-temp);
analogWrite(11,255-temp);}
else
{analogWrite(6,0);
analogWrite(9,0);
analogWrite(3,0);
analogWrite(11,0);}
   delay(100); 
}