#define push_button 17
void setup() 
{ 
Serial.begin(9600); 
pinMode(push_button,INPUT); 
} 
void loop() 
{ 
int status_tombol = digitalRead(push_button); 
Serial.print("Status Tombol : "); 
Serial.print(status_tombol); 
Serial.println(); 
delay(1000); 
}