// Complete Instructions: https://RandomNerdTutorials.com/esp32-digital-inputs-outputs-arduino/

// set pin numbers
float volt;
int x;
const int pot = 25;
const int r =19;
const int g = 18;
const int b= 5; // the number of the pushbutton pin
//const int ledPin =  21;    // the number of the LED pin

// variable for storing the pushbutton status 
int potState = 0;

void setup() {
  Serial.begin(115200);  
  // initialize the pushbutton pin as an input
  pinMode(pot, INPUT);
  pinMode(r,OUTPUT);
  pinMode(g,OUTPUT);
  pinMode(b,OUTPUT);
  // initialize the LED pin as an output
  //pinMode(ledPin, OUTPUT);
}

void loop() {
  // read the state of the pushbutton value
  potState = analogRead(pot);
  volt=potState*0.0008058608058;
  if(volt <= 1.1){
    digitalWrite(r, HIGH);
    digitalWrite(g, LOW);
    digitalWrite(b, LOW);
  }
    else if((volt > 1.1) && (volt < 2.2) ){
    digitalWrite(r, LOW);
    digitalWrite(g, HIGH);
    digitalWrite(b, LOW);
  }
  else{
    digitalWrite(r, LOW);
    digitalWrite(g, LOW);
    digitalWrite(b, HIGH);
  }
  Serial.print(volt);
  Serial.print(" V  ");
  Serial.println(potState);
  delay(1000);

  //Serial.println(buttonState);
  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH
  // if (potState == HIGH) {
  //   //turn LED on
  //   // digitalWrite(ledPin, HIGH);
  //   // Serial.println("button on");
  //   // Serial.println("ON");
  //   // delay(1000);
  //   Serial.println("Dark");
  // } else {
  //   // turn LED off
  //   // digitalWrite(ledPin, LOW);
  //   // Serial.println("button Off");
  //   // Serial.println("LOw");
  //   // delay(1000);
  //   Serial.println("Bright");
  // }
}