//7 задание
bool autoMode = true;
bool lastButtonState = HIGH;
unsigned long lastDebounceTime = 0;
const int DEBOUNCE_DELAY = 50;

void setup() {
  pinMode(2, INPUT_PULLUP);
  pinMode(11, OUTPUT);
}

void loop() {
  bool reading = digitalRead(2);
  if (reading != lastButtonState) {
    lastDebounceTime = millis();
  }
  if ((millis() - lastDebounceTime) > DEBOUNCE_DELAY) {
    if (reading != lastButtonState && reading == LOW) {
      autoMode = !autoMode;
    }
  }
  lastButtonState = reading;
  int lightLevel = analogRead(A0);
  if (autoMode) {
    int brightness = map(lightLevel, 0, 1023, 255, 0);
    brightness = constrain(brightness, 0, 255);
    analogWrite(11, brightness);
  } else {
    analogWrite(11, 255);
  }
  delay(100);
}