#include <MeMCore.h>

int PIN_BUTTON = 7;    // must be fixed!
int threshold = 500;  // Analoger Schwellenwert!

void setup() {
  
  Serial.begin(9600);
  pinMode(PIN_BUTTON, INPUT); //Define button pin as input
  
}
void loop() {
  if ( isButtonPressed() ){
    Serial.println("Button Pressed");
  }  
  delay(50);
}

bool isButtonPressed(){
  if (analogRead(PIN_BUTTON) < threshold)
    return true;    
  return false;
}