SGP41_EN - This enable pin does not appear to have an external pull-up or pull-down resistor. Please add one accordingly.IC3 - This reset pin does not seem to have a pull-down resistor, Consider adding one externally.1V8_EN - It appears that this pin does not have either a pull-up or pull-down resistor. Check the datasheet of the component it's connected to and add a resistor as needed.SCD41_EN - Similarly, this enable pin does not seem to have a pull-up or pull-down resistor. Please add an external pull-up or pull-down resistor.3V3_EN - This enable pin does not have a pull-up or pull-down resistor. Please add one as needed.SHT40_EN - This enable pin seems not to be connected to any resistor. Consider adding an external pull-up or pull-down resistor.ULP Air Quality