def get_high_pin_idx_pull_up(pin_input_values):
    """Returns the index of the first high pin value. Assumes Pull UP mode. i.e. a stronger force will pull the pin value down to 0. If no high pins were found, None is returned."""
    high_pin_idx = (
        pin_input_values.index(False) if False in pin_input_values else None
    )
    return high_pin_idx