I am having trouble figuring out what real world analog sensors I should be buying that work with the RGBW Controller.  The documentation is vague but clearly shows analog sensors with only 2 leads.  I have concluded that 1-wire and other digital sensors won't work from what I can glean from this site and others.  Every temperature sensor I have seen has had three leads and are clearly digital.  Do I just need a thermister?  Are there analog humidity sensors?   I simply need a waterpro