uint8_t eelmine = 0;
void setup()
{
DDRB = 0;
  Serial.begin(9600);
}

void loop()
{ //digitalRead912)
  if (PINB != eelmine)
  {
  if(PINB & 0b00010000)
     {
     //0->1
       Serial.println("nupp Press");
     }else
     {
     Serial.println("nupp Release");
     }

     }


}