adding a button to the blink tutorial

Projects Programming
6

i added

if (!blinking){
    digitalWrite(ledPin, LOW);}

now it works :smiley: so i went back to the blinking if the button is pressed and i ended up with this code

const int buttonPin = 2;     // the number of the pushbutton pin
const int ledPin =  13;      // the number of the LED pin
 

int currState;
int prevState = LOW;
bool blinking = false;
 
void setup() {
   
   pinMode(ledPin, OUTPUT);       // initialize the LED pin as an output
   pinMode(buttonPin, INPUT);     // initialize the pushbutton pin as an input
}
 
void loop(){
   currState = digitalRead(buttonPin); //check the current state of the button pin
   if (currState != prevState){        //the button has been pressed
   if(currState == HIGH){
   blinking = !blinking;
   }
  }
   prevState = currState;
  
   if (blinking){
   digitalWrite (ledPin, HIGH);
   delay(500);
   digitalWrite (ledPin, LOW);
   delay(500);
  }
  if (!blinking){
   digitalWrite(ledPin, LOW);
  }
 }

this does the job how ever, i must hold the button for maybe 1 second before it will turn off, i expect this is due to the delay's im using on the blink.
time to learn blink with out delays.

thank you very much for the assistance tonight. most appreciated.

ash.