Control LED speed with pontetiometer!!!!

1int potPin = 2;               // Potmeter pin
2int ledPin = LED_BUILTIN;     // Builtin LED pin
3int potVal = 0;               // Potmeter's value (0  by default)
4
5void setup() {
6  Serial.begin(9600);         // Start the  serial monitor at 9600 baud
7  pinMode(ledPin, OUTPUT);    // Set ledPin as output
8}
9
10//  The loop() function runs infinitely
11void loop() {
12  
13  potVal = analogRead(potPin);       // Read the analog value of the potmeter (0-1023)
14  Serial.println(potVal);            // Write the value to the serial monitor
15  
16  digitalWrite(LED_BUILTIN,  HIGH);   // Turn the built-in LED on
17  delay(potVal);                     //  Pause for the length of the potval value (0-1023) milliseconds
18  
19  digitalWrite(LED_BUILTIN,  LOW);    // Turn the built-in LED on
20  delay(potVal);                     //  Pause for the length of the potval value (0-1023) milliseconds
21  
22}

1int potPin = 2;               // Potmeter pin
2int ledPin = LED_BUILTIN;
3     // Builtin LED pin
4int potVal = 0;               // Potmeter's value (0
5  by default)
6
7void setup() {
8  Serial.begin(9600);         // Start the
9  serial monitor at 9600 baud
10  pinMode(ledPin, OUTPUT);    // Set ledPin as output
11}
12
13//
14  The loop() function runs infinitely
15void loop() {
16  
17  potVal = analogRead(potPin);
18       // Read the analog value of the potmeter (0-1023)
19  Serial.println(potVal);
20            // Write the value to the serial monitor
21  
22  digitalWrite(LED_BUILTIN,
23  HIGH);   // Turn the built-in LED on
24  delay(potVal);                     //
25  Pause for the length of the potval value (0-1023) milliseconds
26  
27  digitalWrite(LED_BUILTIN,
28  LOW);    // Turn the built-in LED on
29  delay(potVal);                     //
30  Pause for the length of the potval value (0-1023) milliseconds
31  
32}