/*
 * LAB Name: Arduino CD74HC4067 Analog Multiplexer Example
 * Author: Khaled Magdy
 * For More Info Visit: www.DeepBlueMbedded.com
*/
#include <CD74HC4067.h>

#define SIG_PIN A0
#define LED0_PIN 6
#define LED1_PIN 9
#define LED2_PIN 10
#define LED3_PIN 11

CD74HC4067 my_mux(5, 4, 3, 2);  // (S0, S1, S2, S3)
int LED_PINS[4] = {LED0_PIN, LED1_PIN, LED2_PIN, LED3_PIN};

void setup()
{
  pinMode(LED0_PIN, OUTPUT);
  pinMode(LED1_PIN, OUTPUT);
  pinMode(LED2_PIN, OUTPUT);
  pinMode(LED3_PIN, OUTPUT);
  Serial.begin(9600);
}

void loop()
{
  for(int i=0; i<4; i++)
  {
    my_mux.channel(i);
    delay(10); // For Simulation
    analogWrite(LED_PINS[i], analogRead(SIG_PIN)>>2);
    Serial.print(analogRead(SIG_PIN));
    Serial.print(", ");
  }
  Serial.println("");
}