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