# ADNS9800 Add this module for controlling ADNS9800 optical sensor. ```python from kmk.modules.adns9800 import ADNS9800 keyboard.modules.append(ADNS9800(cs=board.GP0, sclk=board.GP2, miso=board.GP4, mosi=board.GP3, invert_y=True)) ``` Firmware for this sensor has to be obtained separately and placed in `kmk\modules\adns9800_firmware.py` ```python firmware = ( b'\x03' b'\xa6' ... ) ``` ## Constructor parameters ADNS9800(cs=*cs_pin*, sclk=*clock_pin*, miso=*miso_pin*, mosi=*mosi_pin*, invert_x=*False*, invert_y=*False*)