int sensorPin = A0;
int sensorReading = 0;
int ledPin = D1;
int ledBrightness = 0;

unsigned long bendStartTime = 0;
bool isBending = false;
bool ledOn = false;
unsigned long ledOnTime = 0;

void setup() {
  pinMode(ledPin, OUTPUT);
}

void loop() {
  sensorReading = analogRead(sensorPin);

  if (sensorReading < 3800) {
    if (!isBending) {
      isBending = true;
      bendStartTime = millis();
    }
    if (millis() - bendStartTime > 1000 && !ledOn) {
      ledBrightness = 255;  // Turn the LED on full brightness
      analogWrite(ledPin, ledBrightness);
      ledOn = true;
      ledOnTime = millis();
    }
  } else {
    isBending = false;
    bendStartTime = 0;
  }

  if (ledOn && (millis() - ledOnTime > 1000)) {
    ledBrightness = 0;  // Turn the LED off
    analogWrite(ledPin, ledBrightness);
    ledOn = false;
  }

  delay(100);  // Small delay to stabilize readings
}