#include <Wire.h>
 
void setup()
{
    Serial.begin(9600);
    Wire.begin(); // set this MC as master
}
 
void loop()
{
    // request bytes from a slave device
    Wire.requestFrom(0x1E, 1); 
 
    while(Wire.available())
    { 
         //Reads a byte that was transmitted from a slave device
        byte num = Wire.read();
        Serial.println(num);
    }
 
    delay(500);
}