int buttonpin = 7;
int ledpin = 8;
int last_state = HIGH;
void setup() {
  Serial.begin(115200);
  pinMode(buttonpin, INPUT_PULLUP);
  pinMode(ledpin, OUTPUT);
  
}

void loop() {
  int value = digitalRead(buttonpin);
  if(last_state!=value){
    last_state=value;
    if(value==HIGH){
      digitalWrite(ledpin,LOW);
      Serial.println("Released");
    }
    else{
      digitalWrite(ledpin,HIGH);
      Serial.println("Pressed");
    }
  }

}