// ***************************************************************
//
// Project Name: Highly Accurate Coded RGB LED Project
// Programming by Sartaj Singh Virdi
// Copyright 2020 TechnoTaj
// Free to use this code for non-commercial purpose only.
// For more information please visit https://www.technotaj.com 
// Please give credit when using this code.
//
// ***************************************************************


int RED_LED = 9; // Arduino pin for Red LED
int GREEN_LED = 10; //Arduino pin for Green LED
int BLUE_LED = 11; //Arduino pin for Blue LED

int pot1= A0; //Arduino pin for first potentiometer 
int pot2= A1; //Arduino pin for second potentiometer 
int pot3= A2; //Arduino pin for third potentiometer 

void setup(){

  pinMode(RED_LED, OUTPUT);
  pinMode(GREEN_LED, OUTPUT);
  pinMode(BLUE_LED, OUTPUT);
  pinMode(pot1, INPUT);
  pinMode(pot2, INPUT);
  pinMode(pot3, INPUT);  

}

void loop(){
  int Red_Val=analogRead(pot1); // Read the first potentiometer value
  int Green_Val=analogRead(pot2); // Read the second potentiometer value
  int Blue_Val=analogRead(pot3); // Read the third potentiometer value

  Red_Val=(Red_Val/4); // Ensure that the value of first potentiometer value remains under 256       
  Blue_Val=(Blue_Val/4); // Ensure that the value of second potentiometer value remains under 256
  Green_Val=(Green_Val/4); // Ensure that the value of third potentiometer value remains under 256
  
  RGBLED(Red_Val,Green_Val,Blue_Val); //Call the RGB Function with the varied potentiometer value 
  
}

/*
*   Function RGBLED(variable color values)
*/

void RGBLED(int R_RED, int G_GREEN, int B_BLUE){

  analogWrite(RED_LED, R_RED); // Illuminate the RED_LED with a varied pot value
  analogWrite(GREEN_LED, G_GREEN); // Illuminate the GREEN_LED with a varied pot value
  analogWrite(BLUE_LED, B_BLUE); // Illumiate the BLUE_LED with a varied pot value 

}