I'm building a simple fan controller...I want the fan to switch on at 27c and go off at 25c, hence creating a 2c hysteresis.. at the moment with the code below the fan goes on off around 27.... is this due to the else command .. do I create a >27 and <25 scenarios and put the else between? { i…

Creating hysteresis with DHT11 sensor..

system February 13, 2013, 12:37pm 11

So looks like I'm stuck with 1 deg c unless I change to dht22?

thanks for the help so far BTW