Buttons / LEDs

gistfile1.txt

void setup(){
  pinMode(6,INPUT); // Button
  digitalWrite(6, HIGH); // Enable pull-up on pin 6
  pinMode(8,OUTPUT); // LED
}

int counter = 0;
int state = 0;
void loop(){
  int button = digitalRead(6);
  
  if(button==0 && counter<255){
    counter = counter + 1;
  }else if (counter > 0){
    counter = counter-1;
  }
  
  if (state){
    digitalWrite(8, HIGH);
    state = 0;
  }else{
    digitalWrite(8, LOW);
    state = 1;
  }
  
  delay(counter);
}