#include "Arduino.h"

void setup() {
  Serial.begin(115200);
}

void loop() {
int var=1;

switch(var)
{
	case 1:
		Serial.println("var is 1");
		break;
		
	case 2:
		Serial.println("var is 2");
		break;

	default:
		Serial.println("Not match any case!");
		break;
}

while(true); //ให้โปรแกรมหยุดตรงนี้
}