from machine import Pin,SoftSPI


class NLSF595():
    def __init__(self):
        self.spi = SoftSPI(sck=Pin(32), mosi=Pin(27), miso=Pin(2))
        self.ctrl = Pin(14)

    def write(self):
        self.ctrl.off()
        self.spi.write(b'\b11011011')
        self.ctrl.on()



if __name__=="__main__":
    nlsf595 = NLSF595()
    nlsf595.write()