const int buttonPin = 2;
const int ledPin = 13;
int buttonState = 0;
int lastButtonState = 0;
bool ledState = LOW;
void setup() {
pinMode(ledPin, OUTPUT);
pinMode(buttonPin, INPUT);
}
void loop() {
buttonState = digitalRead(buttonPin);
// Detect button press (LOW → HIGH transition)
if (buttonState == HIGH && lastButtonState == LOW) {
ledState = !ledState; // Toggle LED state
digitalWrite(ledPin, ledState);
delay(200); // Debounce delay
}
lastButtonState = buttonState;
}