// Define pin numbers
const int potPin = A0; // Potentiometer connected to A0
const int ledPin = 3; // LED connected to pin 3 (PWM pin)
void setup() {
// Initialize the LED pin as an output
pinMode(ledPin, OUTPUT);
// Initialize the potentiometer pin as an input
pinMode(potPin, INPUT);
}
void loop() {
// Read the value from the potentiometer
int potValue = analogRead(potPin);
// Map the potentiometer value from 0-1023 to 0-255 (PWM range)
int ledBrightness = map(potValue, 0, 1023, 0, 255);
// Set the brightness of the LED
analogWrite(ledPin, ledBrightness);
// Small delay to stabilize readings
delay(10);
}