View source for Arduino: I2C Scanner untuk DS3231

==Hasil==


 I2C scanner. Scanning ...
 Found address: 87 (0x57)
 Found address: 104 (0x68)
 Done.
 Found 2 device(s).


* 0x68 DS3231
* 0x57 entah apa itu :) ..


==Code==

 // I2C Scanner
 // Written by Nick Gammon
 // Date: 20th April 2011
 
 #include <Wire.h>
 
 void setup() {
   Serial.begin (9600); 
 
   // Leonardo: wait for serial port to connect
   while (!Serial)
     {
     }
 
   Serial.println ();
   Serial.println ("I2C scanner. Scanning ...");
   byte count = 0;
  
   Wire.begin();
   for (byte i = 8; i < 120; i++)
   {
     Wire.beginTransmission (i);
     if (Wire.endTransmission () == 0)
       {
       Serial.print ("Found address: ");
       Serial.print (i, DEC);
       Serial.print (" (0x");
       Serial.print (i, HEX);
       Serial.println (")");
       count++;
       delay (1);  // maybe unneeded?
       } // end of good response
   } // end of for loop
   Serial.println ("Done.");
   Serial.print ("Found ");
   Serial.print (count, DEC);
   Serial.println (" device(s).");
 }   // end of setup

 void loop() {}