#include <Servo.h>

Servo myservo;      // create servo object to control a servo
int servoSpeedPin = A0;  // analog pin for the servo speed potentiometer
int ledPotPin = A1;      // analog pin for the LED potentiometer
int ledPin = 13;         // digital pin for the LED

int pos = 0;    // variable to store the servo position

void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
  pinMode(ledPin, OUTPUT); // set the LED pin as an output
  Serial.begin(9600); // initialize serial communication for debugging
}

void loop() {
  int servoSpeedPotValue = analogRead(servoSpeedPin); // read the servo speed potentiometer value (0-1023)
  
  // Invert the mapping to increase speed with an increase in potentiometer value
  int servoSpeed = map(servoSpeedPotValue, 0, 1023, 25, 5); // adjust the range as needed

  int ledPotValue = analogRead(ledPotPin); // read the LED potentiometer value (0-1023)
  int ledBrightness = map(ledPotValue, 0, 1023, 0, 255); // map pot value to LED brightness

  Serial.print("Servo Speed Pot: ");
  Serial.print(servoSpeedPotValue);
  Serial.print("   LED Pot: ");
  Serial.println(ledPotValue);

  analogWrite(ledPin, ledBrightness); // control LED brightness

  for (pos = 0; pos <= 180; pos += 1) {
    myservo.write(pos);
    delay(servoSpeed); // control servo speed
  }

  for (pos = 180; pos >= 0; pos -= 1) {
    myservo.write(pos);
    delay(servoSpeed);
  }
}
// controlling led and servo motor speed and brightness using potentiometer