โมดูลปุ่มกด Micro switch tact switch 1 button

int led = 13; //Define the LED pin
int buttonpin = 3; //Define the push button pin
int val; //Define a numeric variable

void setup()
{
 pinMode(led,OUTPUT);
 pinMode(buttonpin,INPUT);
}

void loop()
{
 val = digitalRead(buttonpin); // check the state of the button
 if(val==HIGH) // if button is pressed, turn LED on
 {
   digitalWrite(led,HIGH);
 }
 else
 {
   digitalWrite(led,LOW);
 }
}