at this time I want to start a project to measure the fuel sensors Omnicom 2 LLS20230. Which use EIA 485 as connection and have a message format itself.
This I want to do with ARDUINO UNO and Shield DFRobot RS485.
The problem is I have no idea how to start as this type of communication is new to me.
Would greatly appreciate if someone could give me a hand.
these are the datasheets:
Thanks in advance for any help