/*detecting button
  button1 = D5; iprint mo ang digital read nya na 0 & 1
  button2 = D7; digital read 0 & 1
  button3 = D9; digital read 0 & 1
*/
int pinbtn1 = 5;
int pinbtn2 = 7;
int pinbtn3 = 9;
int button1value = 0;
int button2value = 0;
int button3value = 0;


void setup()
{
  // put your setup code here, to run once:
  Serial.begin(115200);
pinMode(pinbtn1, INPUT);
pinMode(pinbtn2, INPUT);
pinMode(pinbtn3, INPUT);



}

void loop()
{
  // put your main code here, to run repeatedly:
button1value = digitalRead(pinbtn1);
button2value = digitalRead(pinbtn2);
button3value = digitalRead(pinbtn3);

  if (button1value == 1)
  {
    Serial.println(button1value);
    // Serial.println("Ch1: " + String(button1value));
  }
  if (button1value == 0)
  {
    Serial.print("SW1: ");
    Serial.println(button1value);
    // Serial.println("Ch1: " + String(button1value));// Short method
  }

  if (button2value == 1)
  {  
   Serial.println(button2value);
  }
  if (button2value == 0)
  {
    Serial.print("SW2: "); 
    Serial.println(button2value);
  }

  if (button3value == 1)
  {
    Serial.println(button3value);
  }
  if (button3value == 0)
  {
    Serial.print("SW3: ");
    Serial.println(button3value);
  }

}