int buz = 12, pb = 3;
void setup() {
Serial.begin(9600);
pinMode(buz, OUTPUT);
pinMode(pb, INPUT);
}
void loop() {
int signal = digitalRead(pb);
Serial.println(signal);
if (signal == 1) {
digitalWrite(buz, 1);
delay(200);
} else {
digitalWrite(buz, 0);
}
}