I have found the following circuit which works for me to get in communication with the following project:
Nibe F1145 Gateway RS485 for Openhab2
I found in amazon an rs485 module, with the following circuit:
I want to know If I can use this module with the same functionality as to use only the max485 IC ?
(specially for the programm nibegw from the gitub NIBE F1145 link above).
thanks for your help.