https://github.com/adafruit/Adafruit_CircuitPython_LSM6DS/blob/main/adafruit_lsm6ds/__init__.py#L118 Probably you have meant 1666 instead of 1066.0 3332 instead of 3033.0 6664 instead of 6066.0 see sensor datasheet