The Okdo TelePort knock sensor is mainly composed of a SW-280 vibration switch, which is not only an inductive knock switch but also an electronic switch. When it is knocked, the sensing results will be transmitted to the circuit device and the circuit will start work. Compatible with RJ11 6P6C OKdo TelePort Control boards and expansion shields
A non-directional vibration module based on the SW-280 sensor that outputs HIGH when stable, LOWwhenvibration is detected