const int flexPin = A0; // Analog pin connected to the voltage divider
const int ledPin = 9;   // PWM pin connected to an LED

void setup() {
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);
}

void loop() {
  int flexValue = analogRead(flexPin); // Read the analog value
  Serial.println(flexValue);           // Print the value to Serial Monitor

  // Map the flex sensor value to PWM range
  int brightness = map(flexValue, 700, 900, 0, 255);
  brightness = constrain(brightness, 0, 255); // Ensure the value is within 0-255

  analogWrite(ledPin, brightness); // Set LED brightness
  delay(100); // Small delay for stability
}