#define LED_BUILTIN A2
#define BUTTON A5
int buttinState = 0;
void setup() {
// put your code here, to run once:
pinMode(BUTTON, INPUT);
pinMode(LED_BUILTIN, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
buttinState=digitalRead(BUTTON);
if(buttinState == 1){
digitalWrite(LED_BUILTIN, HIGH);
delay(500);
}else
{
digitalWrite(LED_BUILTIN, LOW);
delay(500);
}
}