Abit interesting gadget, de idea is juz to self triggle de alarm siren make it sounds like whistling. A few tiny stuff dat I uses such as Push button switch, diode, wires etc, dats it.
Abit interesting gadget, de idea is juz to self triggle de alarm siren make it sounds like whistling. A few tiny stuff dat I uses such as Push button switch, diode, wires etc, dats it.