IoT 아두이노 0526 - no1

int pin_VI = 23;
int pin_LED = 6;
int pin_SW = 22;
boolean i=0;
boolean z=0;
void setup() {
  pinMode(pin_VI, OUTPUT);
  pinMode(pin_LED, OUTPUT);
  pinMode(pin_SW,INPUT_PULLUP);

}

void loop() {
  if(digitalRead(pin_SW) == HIGH
  ){
    if(z==0){
      z=1;
      if(i==0){
        digitalWrite(pin_LED,HIGH);
        digitalWrite(pin_VI,HIGH);
        //delay(500);
        i=1;
      }
      else{
        digitalWrite(pin_LED,LOW);
        digitalWrite(pin_VI,LOW);
        i=0;
      }
    }
  }
  else{z=0;}
}