Very fast delivery!
Nice board, works fine. It is simple and easy to modify when needed, as you can read. I wanted the board to detect 24VAC. Swapping out the high wattage 150K resistor for a 12K resistor will do that. You also don't need a high wattage for detecting 24VAC, a normal 0.25W will do. Another thing was that my application required a power draw that was too high. This caused the output to be too low, but after swapping out the 47K output resistor for a 10k resistor it all worked fine. The support is super friendly, responded quickly and speaks/types proper English. However, in all honesty, I did not give them the time to help me as I was able to quickly reverse engineer the circuit and calculate the resistor values I needed.
The automatic translation into Italian of the characteristics of the object is truly painful and misleading.