Arduino DesRangile Devresi

void setup() {

pinMode(A0, INPUT);

 pinMode(5,OUTPUT);
 pinMode(6,OUTPUT);     
 pinMode(7,OUTPUT);
}
void loop() {

int pot=analogRead(A0);
if(0<=pot && pot<255)
{
  digitalWrite(5,HIGH);
  digitalWrite(6,LOW);
  digitalWrite(7,LOW);
}
else if(251<pot && pot<500)
{
  digitalWrite(6,LOW);
  digitalWrite(6,HIGH);
  digitalWrite(7,LOW);
}
else if(501<pot && pot<750)
{
  digitalWrite(5,LOW);
  digitalWrite(6,LOW);
  digitalWrite(7,HIGH);
}
else if(751<pot && pot<1023)
{
  digitalWrite(5,HIGH);
  digitalWrite(6,HIGH);
  digitalWrite(7,LOW);
}



}