#define Tombol1 A0
//#define Tombol2 A1
#define LEDRED 2

bool A=1;
bool tanda=0;


void setup() {

  // put your setup code here, to run once:
  pinMode(Tombol1, INPUT);
  //pinMode(Tombol2, INPUT);
  pinMode(LEDRED, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(Tombol1)== 1 && (tanda)==0)
  {
    A=!A;
    digitalWrite(LEDRED,A);
    tanda=1;
    delay(200);
  }

  if(digitalRead(Tombol1)==1 && (tanda)==1)
  {
    tanda=0;
  }
}