// Arduino Uno R4 WiFi LESSON 13: Dimmable LED Controlled by a Potentiometer
// https://www.youtube.com/watch?v=PXf51k0alGU&list=PLGs0VKk2DiYyn0wN335MXpbi3PRJTMmex&index=16

#include <Arduino.h>

int redPin = 3;
int potPin = A2;
int potVal;
int writeVal;
int waitT = 100;
int baudrate = 9600;

void setup() {
Serial.begin(baudrate);
pinMode(potPin,INPUT);
pinMode(redPin,OUTPUT);

}

void loop() {
    potVal=analogRead(potPin);
    //writeVal=(255/1023)*potVal;
    writeVal=pow(2,potVal/127.875)-1;    //better, pow is power (x na N-tou ..)
    analogWrite(redPin,writeVal);
    Serial.print(potVal);
    Serial.print("    ");
    Serial.println(writeVal);

}