ent'const int buttonPin =2;    // the number of the pushbutton pin

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

// Variables will change: int ledState = HIGH; // the current state of the output pin int buttonState; // the current reading from the input pin int lastButtonState = LOW; // the previous reading from the input pin long lastDebounceTime = 0; // the last time the output pin was toggled long debounceDelay = 50;
void setup() { pinMode(buttonPin, INPUT); pinMode(ledPin, OUTPUT); digitalWrite(ledPin, ledState); }

void loop() { int reading = digitalRead(buttonPin); if (reading != lastButtonState) { // reset the debouncing timer lastDebounceTime = millis(); }

if ((millis() - lastDebounceTime) > debounceDelay) { // whatever the reading is at, it's been there for longer // than the debounce delay, so take it as the actual current state:

// if the button state has changed: if (reading != buttonState) { buttonState = reading;

// only toggle the LED if the new button state is HIGH if (buttonState == HIGH) { ledState = !ledState; } } }

// set the LED: digitalWrite(ledPin, ledState); lastButtonState = reading; }` er code here

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

// Variables will change:
int ledState = HIGH;         // the current state of the output pin
int buttonState;             // the current reading from the input pin
int lastButtonState = LOW;   // the previous reading from the input pin
long lastDebounceTime = 0;  // the last time the output pin was toggled
long debounceDelay = 50;   
void setup() {
pinMode(buttonPin, INPUT);
pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, ledState);
}

void loop() {
int reading = digitalRead(buttonPin);
if (reading != lastButtonState) {
// reset the debouncing timer
lastDebounceTime = millis();
}

if ((millis() - lastDebounceTime) > debounceDelay) {
// whatever the reading is at, it's been there for longer
// than the debounce delay, so take it as the actual current state:

// if the button state has changed:
if (reading != buttonState) {
  buttonState = reading;

  // only toggle the LED if the new button state is HIGH
  if (buttonState == HIGH) {
    ledState = !ledState;
  }
  }
  }

  // set the LED:
 digitalWrite(ledPin, ledState);
 lastButtonState = reading;
 }