public Movement1() {
//        ultraSonicTransceiverCtrl = GpioFactory.getInstance();
////        ultraSonicTransceiverCtrl.setMode(PinMode.PWM_OUTPUT, pin);
//        ultraSonicTransceiverCtrl.setMode(GpioPin., pin);
//        trigPin = null;
//        echoPin = null;
        
        ultraSonicTransceiver = null;
    }