The kit comes with 37 parts mounted on small circuit boards. Construction seems to be good, but the markings on the parts are not always clear. Not everything is a sensor, there are many parts that ...
A 10k ohm potentiometer is connected to an analog input. Turning it translates into values in the range [0-1023]. An attached SSR is connected to a water heater. By turning the SSR on and off, it is ...