Resolved, this site has been very helpful: https://www.letscontrolit.com/wiki/index.php/ESPEasy explains how to use ESP8266. Recommended for everyone

as soon as I can try, thank you

A help at least starting then I try to understand by myself, thanks

You're right, my domoticz is installed on Raspberry PI3 and as a sensor I would like to use a hall effect that produces pulses that increase in frequency as the flow increases like this: https://www.amazon.it/filettatura-effetto-sensore-Fluidmeter-interruttore/dp/B079QYRQT5/ref=sr_1_9?ie=UTF8&qid ...

I would like to connect an instant water flow meter to the hall effect, someone can help me do it. I saw that a water flow meter already exists in the menu but I do not know how to connect it. Thank you

I have done it and it works. Tank you very much!!!!

In my situation this happens because i’m not so good. I hope that the kmtronic temp will be implemented as soon as possible within this nice program. I like it so much that I contributed to the financing. Thank you

I would like to get a DS18B20 kmtronic sensor that I have on my PI3 but I can not. I compiled the script by copying that of RATA1 and I have a problem. I inserted the modified script with a text editor of windows but nothing happens, the script is ignored, after having lost a lot of time I realized ...