// RGB and R, G, B LED demo for ESP32

const int pinR = 14;  // GPIO 14 for red
const int pinG = 13;  // GPIO 13 for green
const int pinB = 12;  // GPIO 12 for blue

const int potR = 34;  // GPIO 34 for potentiometer controlling red
const int potG = 35;  // GPIO 35 for potentiometer controlling green
const int potB = 32;  // GPIO 32 for potentiometer controlling blue

void setup() {
  Serial.begin(115200);
  
  pinMode(pinR, OUTPUT);
  pinMode(pinG, OUTPUT);
  pinMode(pinB, OUTPUT);
  pinMode(potR, INPUT);
  pinMode(potG, INPUT);
  pinMode(potB, INPUT);
}

int readPot(int pin) {
  return map(analogRead(pin), 0, 4095, 0, 255);  // The ESP32 ADC has a 12-bit resolution, so the range is 0-4095
}

void loop() {
  analogWrite(pinR, readPot(potR));
  analogWrite(pinG, readPot(potG));
  analogWrite(pinB, readPot(potB));
}