Eenvoudige arduino project

code:

int geleid = 4;
int led2 = 8;

int led3 = 5;
int led4 = 2; int b = 7;

VOID Setup {}

pinMode(led,OUTPUT);

pinMode(led2,OUTPUT);

pinMode(led3,OUTPUT);

pinMode(led4,OUTPUT);

pinMode(b,INPUT);

}

void loop {als (digitalRead(b)==HIGH) {}

digitalWrite(led,HIGH);

delay(1000); digitalWrite(led2,HIGH);

delay(1000); digitalWrite(led3,HIGH);

delay(1000); digitalWrite(led4,HIGH);

delay(1000); digitalWrite(led,LOW);

delay(1000); digitalWrite(led2,LOW);

delay(1000); digitalWrite(led3,LOW);

delay(1000); digitalWrite(led4,LOW);

delay(1000); }}