3 Push Button(Toggle) Control using Arduino

Circuit for using 3 Push buttons controls

Source Code for controlling the push Buttons

const int ledPin=13;

const int ledPin2=12; 

const int ledPin3=8;

const int buttonPin=2;

const int buttonPin2=3;

const int buttonPin3=7;

boolean lastButton=LOW;

boolean currentButton=LOW;

boolean ledOn=false;

boolean lastButton2=LOW;

boolean currentButton2=LOW;

boolean ledOn2=false;

boolean lastButton3=LOW;

boolean currentButton3=LOW;

boolean ledOn3=false;

void setup() 

{

  pinMode(ledPin, OUTPUT);

  pinMode(buttonPin, INPUT);

  pinMode(ledPin2, OUTPUT);

  pinMode(buttonPin2, INPUT);

  pinMode(ledPin3, OUTPUT);

  pinMode(buttonPin3, INPUT);

  Serial.begin(9600);

}

boolean debounce(boolean last,int bp)

{

  boolean current=digitalRead(bp);

   if (last!=current)

  {

    current=digitalRead(bp);

  }

  return current;

}

void loop() 

{

  currentButton=debounce(lastButton,buttonPin);

  if (lastButton==LOW && currentButton==HIGH)

  {

      ledOn=!ledOn;     

  }

  lastButton=currentButton;

  digitalWrite(ledPin, ledOn);

  currentButton2=debounce(lastButton2,buttonPin2);

  if (lastButton2==LOW && currentButton2==HIGH)

  {

    ledOn2=!ledOn2;

  }

  lastButton2=currentButton2;

  digitalWrite(ledPin2, ledOn2);

  currentButton3=debounce(lastButton3,buttonPin3);

  if (lastButton3==LOW && currentButton3==HIGH)

  {

    ledOn3=!ledOn3;

  }

  lastButton3=currentButton3;

  digitalWrite(ledPin3, ledOn3);

}