#include "Wire.h"

void setup()
{
  Wire.begin();        // join i2c bus (address optional for master)
  Serial.begin(9600);  // start serial for output
}

void loop()
{
  Wire.requestFrom(2, 6); // request 6 bytes from slave device #2

  while(Wire.available()) // slave may write less than requested
  { 
    char c = Wire.read(); // read a byte as character
    Serial.print(c);      // print the character
  }

  delay(500);
}