void setup() {
pinMode(13, OUTPUT);
pinMode(12, OUTPUT);
pinMode(7, INPUT_PULLUP);
}
bool val = HIGH ;
void loop() {
if (millis() % 2000 == 0 ) {
val = !val ;
digitalWrite(13, val);
}
bool sw = digitalRead(7);
if (sw == 0) {
digitalWrite(12, HIGH);
}
else {
digitalWrite(12, LOW);
}
}